DESCENT G1 SERIES ™ Owner’s Manual
© 2022 Garmin Ltd. or its subsidiaries All rights reserved. Under the copyright laws, this manual may not be copied, in whole or in part, without the written consent of Garmin. Garmin reserves the right to change or improve its products and to make changes in the content of this manual without obligation to notify any person or organization of such changes or improvements. Go to www.garmin.com for current updates and supplemental information concerning the use of this product.
Table of Contents Introduction......................................1 Getting Started........................................ 1 Device Overview.................................. 1 Using the Watch.................................. 2 Clocks.............................................. 2 Setting an Alarm...................................... 2 Starting the Countdown Timer............... 2 Saving a Quick Timer.......................... 3 Deleting a Timer..................................
Manually Measuring a Shot.......... 34 Keeping Score................................... 35 Enabling Statistics Tracking......... 35 Surfing....................................................35 Viewing Tide Information..................... 36 Customizing Activities and Apps......... 36 Adding or Removing a Favorite Activity............................................... 36 Changing the Order of an Activity in the Apps List...................................... 37 Customizing the Data Screens.........
Broadcasting Heart Rate Data...... 66 Pulse Oximeter...................................... 66 Getting Pulse Oximeter Readings.... 66 Setting the Pulse Oximeter Mode.... 66 Tips for Erratic Pulse Oximeter Data.................................................... 67 Compass................................................ 67 Compass Settings............................. 67 Calibrating the Compass Manually......................................... 67 Setting the North Reference.........
Navigating to Your Starting Point During an Activity.............................. 84 Navigating with Sight 'N Go.............. 85 Marking and Starting Navigation to a Man Overboard Location.................. 85 Stopping Navigation............................. 85 Courses.................................................. 85 Creating and Following a Course on Your Device........................................ 85 Creating a Course on Garmin Connect..............................................
Wheel Size and Circumference.......... 117 Symbol Definitions.............................. 119 Index............................................
Introduction WARNING See the Important Safety and Product Information guide in the product box for product warnings and other important information. Always consult your physician before you begin or modify any exercise program. Getting Started When using your watch the first time, you should complete these tasks to set it up and get to know the basic features. 1 Press LIGHT to turn on the watch (Device Overview, page 1). 2 Follow the on-screen instructions to complete the initial setup.
• Hold to view the altimeter, barometer, and compass (ABC) screen. NOTE: While diving, hold functions are disabled. START·STOP • Press to view the activity list and start or stop an activity. • Press to choose an option in a menu. • Press to view the menu during a dive. • Hold to view the clock menu. NOTE: While diving, hold functions are disabled. BACK • Press to return to the previous screen. • Press to exit a menu during a dive. • Press to record a lap, rest, or transition during a multisport activity.
Saving a Quick Timer You can set up to ten separate quick timers. 1 From any screen, hold START. 2 Select Timers. 3 Select an option: • To save your first quick timer, enter the time, press UP, and select Save. • To save additional quick timers, select Add Timer, and enter the time. Deleting a Timer 1 2 3 4 5 From any screen, hold START. Select Timers. Select a timer. Press UP. Select Delete. Using the Stopwatch 1 2 3 4 From any screen, hold START. Select Stopwatch. Press START to start the timer.
Diving Dive Warnings WARNING • The diving features of this device are for use by certified divers only. This device should not be used as a sole dive computer. Failure to input the appropriate dive-related information into the device can lead to serious personal injury or death. • Make sure that you fully understand the use, displays, and limitations of your device. If you have questions about this manual or the device, always resolve any discrepancies or confusion before diving with the device.
Dive Modes The Descent G1 device supports six dive modes. Each dive mode has four phases: dive pre-check, surface display, in-dive, and post-dive. During the pre-dive check, you can confirm the dive settings before you start diving (Dive Setup, page 6). The surface phase shows the data screens for the dive mode (Dive Data Screens, page 8). The in-dive phase shows data about the dive in progress, and other watch features, such as GPS, are disabled (Going Diving, page 14).
Dive Setup You can customize the dive settings based on your needs. Not all settings are applicable for all dive modes. You can also edit the settings before you start a dive. Hold MENU, and select Dive Setup. Gases: Sets the gas blends used in the gas dive modes (Setting Up Your Breathing Gases, page 7). You can have up to twelve gases for each gas dive mode. Conservatism: Sets the level of conservatism for decompression calculations.
Setting Up Your Breathing Gases You can enter up to twelve gases for each gas dive mode. Decompression calculations include your decompression gases, but do not include your backup gases. 1 Hold MENU. 2 Select Dive Setup > Gases. 3 Select a dive mode. 4 Select the first gas in the list. For single-gas or multi-gas dive modes, this is the bottom gas. For the closed-circuit rebreather (CCR) dive mode, this is the diluent gas. 5 Select Oxygen, and enter the oxygen percentage of the gas blend.
Setting CCR Setpoints You can configure the high and low partial pressure of oxygen (PO2) setpoints for closed-circuit rebreather (CCR) dives. 1 Hold MENU. 2 Select Dive Setup > CCR Setpoints. 3 Select an option: • To configure the lower PO2 setpoint, select Low Setpoint. • To configure the upper PO2 setpoint, select High Setpoint. 4 Select Mode. 5 Select an option: • To automatically change the setpoint based on your current depth, select Auto.
Single-Gas and Multi-Gas Data Screens Primary data screen: Displays the main dive data, including your breathing gas, partial pressure of oxygen (PO2) level, and rate of ascent. You can edit one of the data fields. Your nitrogen (N2) and helium (He) tissue load level. Segment 1: 0 to 79% tissue load. Segment 2: 80 to 99% tissue load. When you start a safety stop, the safety stop gauge appears (Performing a Safety Stop, page 17).
CCR Data Screens Primary data screen: Displays the main dive data, including your breathing gas, partial pressure of oxygen (PO2) level, and rate of ascent. You can edit one of the data fields. Your nitrogen (N2) and helium (He) tissue load level. Segment 1: 0 to 79% tissue load. Segment 2: 80 to 99% tissue load. When you start a safety stop, the safety stop gauge appears (Performing a Safety Stop, page 17).
Your central nervous system (CNS) oxygen toxicity level. Segment 1: 0 to 79% CNS oxygen toxicity. Segment 2: 80 to 99% CNS oxygen toxicity. Segment 3: 100% or greater CNS oxygen toxicity. Your current oxygen toxicity units (OTU). Segment 1: 0 to 249 OTU. Segment 2: 250 to 299 OTU. Segment 3: 300 or greater OTU. Gauge Data Screens Dive stopwatch: Displays the bottom time stopwatch, average depth, maximum depth, and rate of ascent (Using the Gauge Dive Stopwatch, page 16). Your rate of ascent. : Good.
Apnea Data Screens In-dive screen: Displays the information about the current dive, including the elapsed time, current and maximum depth, heart rate data, and rate of ascent or descent. You can edit three of the data fields (Customizing the Data Screens, page 37). Your rate of ascent or descent in meters or feet per second. than 0.5 m/s (1.6 ft./s). or appear when you are moving faster Surface interval screen: Displays the current surface interval time, heart rate, and last dive information.
Time and temperature screen: Displays the temperature, time of day, and battery level. You can edit the data fields. Stopwatch: Displays the surface interval stopwatch (Using the Basic Dive Stopwatch, page 16). Apnea Hunt Data Screens In-dive screen: Displays the information about the current dive, including the elapsed time, current and maximum depth, heart rate data, and rate ascent or descent. You can edit three of the data fields (Customizing the Data Screens, page 37).
Surface interval screen: Displays the current surface interval time, as well as the elapsed time, maximum depth, and temperature for your last apnea dive. You can edit the data fields. The number of completed dives. Time of day screen: Displays the time of day, speed over ground (SOG), and battery level. You can edit the data fields. Going Diving 1 2 3 4 From the watch face, press START. Select a dive mode (Dive Modes, page 5).
Navigating with the Dive Compass 1 During a Single-Gas, Multi-Gas, CCR, or Gauge dive, scroll to the dive compass. The compass indicates your directional heading 2 Press START to set the heading. . The compass indicates deviations from the set heading . 3 Press START, and select an option: • To reset the heading, select Reset Heading. • To change the heading by 180 degrees, select Set to Recip.. NOTE: The compass indicates the reciprocal heading with a gray mark.
Using the Gauge Dive Stopwatch TIP: You can add a simplified stopwatch screen to any of the gas dive modes (Customizing the Data Screens, page 37). 1 Start a Gauge dive. 2 Scroll to the stopwatch screen. 3 Press START, and select Reset Avg. Depth to set the average depth to your current depth. 4 Press START, and select Start Stopwatch. 5 Select an option: • To stop using the stopwatch, press START, and select Stop Stopwatch. • To restart the stopwatch, press START, and select Reset Stopwatch.
Switching Between CC and OC Diving for a Bailout Procedure During a closed-circuit rebreather (CCR) dive, you can switch between closed-circuit (CC) and open-circuit (OC) diving while you perform a bailout procedure. 1 Start a CCR dive. 2 Press START. 3 Select Switch to OC. The PO2 data field colors on the primary data screen invert, and the device switches the active breathing gas to your OC decompression gas. NOTE: If you have not set up an OC decompression gas, the device switches to your diluent gas.
Performing a Decompression Stop You should always perform all the required decompression stops during a dive to help reduce the risk of decompression sickness. Missing a decompression stop adds significant risk. 1 When you exceed the no-decompression limit (NDL) time, begin your ascent. Decompression stop information appears on the data screens. Your depth relative to the surface. As you ascend, your position moves upward toward the required decompression stop depth.
Viewing the Dive Log Glance The glance displays summaries of your recently recorded dives. 1 From the watch face, press UP or DOWN to view the dive log glance. 2 Press START to view your most recent dive. 3 Press DOWN > START to view a different dive (optional). 4 Press START, and select an option: • To view additional information about the activity, select All Stats. • To view additional information about one of multiple apnea dives in the activity, select Dives, and select a dive.
Creating a Decompression Plan You can create open-circuit decompression plans and save them for future dives. 1 Press START. 2 Select Plan Dive > Deco Plans > Add New. 3 Enter a name for the decompression plan. 4 Select an option: • To enter the maximum partial pressure of oxygen in bars, select PO2. NOTE: The device uses the PO2 value for gas switching. • To enter your level of conservatism for decompression calculations, select Conservatism. • To enter your gas blends, select Gases.
Dive Alerts Alert Message Cause Watch Action None You completed the decompression stop. The decompression stop depth and time flash for five seconds. None Your partial pressure of oxygen (PO2) value Your PO2 value flashes. is above the specified warning value. Your oxygen toxicity units are above the %1 OTU accumulated. End safe limit. During a dive, "%1" is replaced your dive now. with the number of units accumulated. The alert appears every two minutes, up to three times. 250 OTU accumulated.
Alert Message Cause Watch Action Dive will end in %1 seconds. The watch will automatically end and save the dive. During a dive, "%1" is replaced by the number of seconds. None Do not dive. Failed to read depth sensor. The watch has invalid or missing depth sensor data before you start a dive activity. Do not start a dive. Call Garmin Product Support. ® The watch has invalid or missing depth Failed to read depth sensor data after you have started a dive sensor. End your dive now. activity.
Dive Terminology Central nervous system (CNS): A measure of central nervous system oxygen toxicity caused by exposure to increased partial pressure of oxygen (PO2) while diving. Closed-circuit rebreather (CCR): A diving mode used for dives performed with a rebreather that recirculates exhaled gas and removes carbon dioxide. Maximum operating depth (MOD): The greatest depth at which a breathing gas can be used before the partial pressure of oxygen (PO2) exceeds the safe limit.
Stopping an Activity 1 Press STOP. 2 Select an option: • To resume your activity, select Resume. • To save the activity and return to watch mode, select Save > Done. • To suspend your activity and resume it at a later time, select Resume Later. • To mark a lap, select Lap. • To navigate back to the starting point of your activity along the path you traveled, select Back to Start > TracBack. NOTE: This feature is available only for activities that use GPS.
Swim Terminology Length: One trip down the pool. Interval: One or more consecutive lengths. A new interval starts after a rest. Stroke: A stroke is counted every time your arm wearing the device completes a full cycle. Swolf: Your swolf score is the sum of the time for one pool length and the number of strokes for that length. For example, 30 seconds plus 15 strokes equals a swolf score of 45. For open water swimming, swolf is calculated over 25 meters.
Training with the Drill Log The drill log feature is available only for pool swimming. You can use the drill log feature to manually record kick sets, one-arm swimming, or any type of swimming that is not one of the four major strokes. 1 During your pool swim activity, press UP or DOWN to view the drill log screen. 2 Press BACK to start the drill timer. 3 After you complete a drill interval, press BACK. The drill timer stops, but the activity timer continues to record the entire swim session.
Indoor Activities The Descent watch can be used for training indoors, such as running on an indoor track or using a stationary bike or indoor trainer. GPS is turned off for indoor activities (Activities and App Settings, page 38). When running or walking with GPS turned off, speed, distance, and cadence are calculated using the accelerometer in the watch. The accelerometer is self-calibrating. The accuracy of the speed, distance, and cadence data improves after a few outdoor runs or walks using GPS.
Using an ANT+ Indoor Trainer ® Before you can use a compatible ANT+ indoor trainer, you must mount your bike on the trainer and pair it with your device (Pairing Your Wireless Sensors, page 70). You can use your device with an indoor trainer to simulate resistance while following a course, ride, or workout. While using an indoor trainer, GPS is turned off automatically. 1 From the watch face, press START. 2 Select Bike Indoor. 3 Hold MENU. 4 Select Smart Trainer Options.
Recording a Bouldering Activity You can record routes during a bouldering activity. A route is a climbing path along a boulder or small rock formation. 1 From the watch face, press START. 2 Select Bouldering. 3 Select a grading system. NOTE: The next time you start a bouldering activity, the device uses this grading system. You can hold MENU, select the activity settings, and select Grading System to change the system. 4 Select the difficulty level for the route. 5 Press START to start the route timer.
Going Hunting You can save locations relevant to your hunt and view a map of saved locations. 1 From the watch face, press START. 2 Select Hunt. 3 From the time of day data screen, press START > Start Hunt. 4 From the time of day data screen, press START, and select an option: • To save your current location, select Save Location. • To view locations saved during this hunt activity, select Hunt Locations. • To view all previously saved locations, select Saved Locations.
Recording a Backcountry Skiing Activity The backcountry skiing activity lets you manually switch between climbing and descending tracking modes so you can accurately track your statistics. 1 From the watch face, press START. 2 Select Backcountry Ski. 3 Select an option: • If you are starting your activity on a climb, select Climbing. • If you are starting your activity moving downhill, select Descending. 4 Press START to start the activity timer.
Golfing Playing Golf Before you play a course for the first time, you must download it from the Garmin Connect app (Garmin Connect, page 75). Courses downloaded from the Garmin Connect app are updated automatically. Before you play golf, you should charge the watch (Charging the Watch, page 92). 1 From the watch face, press START. 2 Select Golf. 3 Go outside, and wait while the watch locates satellites. 4 Select a course from the list of available courses. 5 Select to keep score. 6 Select a tee box.
Golf Menu During a round, you can press START to open additional features in the golf menu. End Round: Ends the current round. Pause Round: Pauses the current round. You can resume the round at any time by starting a Golf activity. Change Hole: Allows you to manually change the hole. Move Flag: Allows you to move the pin location to get a more precise distance measurement (Moving the Flag, page 34).
Moving the Flag You can take a closer look at the green and move the pin location. 1 From the hole information screen, press START. 2 Select Move Flag. 3 Press UP or DOWN to move the pin location. 4 Press START. The distances on the hole information screen are updated to show the new pin location. The pin location is saved for only the current round. Changing Holes You can change holes manually from the hole view screen. 1 While playing golf, press START. 2 Select Change Hole. 3 Select a hole.
Keeping Score 1 From the hole information screen, press START. 2 Select Scorecard. The scorecard appears when you are on the green. 3 Press UP or DOWN to scroll through the holes. 4 Press START to select a hole. 5 Press UP or DOWN to set the score. Your total score is updated. Enabling Statistics Tracking The Stat Tracking feature enables detailed statistics tracking while playing golf. 1 From the hole information screen, hold MENU. 2 Select the activity settings. 3 Select Stat Tracking.
Viewing Tide Information WARNING Tide information is for information purposes only. It is your responsibility to heed all posted water-related guidance, to remain aware of your surroundings, and to use safe judgment in, on, and around the water at all times. Failure to heed this warning could result in serious personal injury or death. When you pair your watch with a compatible phone, you can view information about a tide station, including the tide height and when the next high and low tides will occur.
Changing the Order of an Activity in the Apps List 1 2 3 4 5 Hold MENU. Select Activities & Apps. Select an activity. Select Reorder. Press UP or DOWN to adjust the position of the activity in the apps list. Customizing the Data Screens You can show, hide, and change the layout and content of data screens for each activity. 1 Hold MENU. 2 Select Activities & Apps. 3 Select the activity to customize. 4 Select the activity settings. 5 Select Data Screens. 6 Select a data screen to customize.
Activities and App Settings These settings allow you to customize each preloaded activity app based on your needs. For example, you can customize data pages and enable alerts and training features. Not all settings are available for all activity types. Hold MENU, select Activities & Apps, select an activity, and select the activity settings. 3D Distance: Calculates your distance traveled using your elevation change and your horizontal movement over ground.
Record Activity: Enables activity FIT file recording for golf activities. FIT files record fitness information that is tailored for Garmin Connect. Recording Interval: Sets the frequency for recording track points during an expedition. By default, GPS track points are recorded once an hour, and they are not recorded after sunset. Recording track points less frequently maximizes battery life. Record After Sunset: Sets the watch to record track points after sunset during an expedition. Record VO2 Max.
Alert Name Alert Type Description Cadence Range You can set minimum and maximum cadence values. Calories Event, recurring You can set the number of calories. Custom Event, recurring You can select an existing message or create a custom message and select an alert type. Distance Recurring You can set a distance interval. Elevation Range You can set minimum and maximum elevation values. Heart Rate Range You can set minimum and maximum heart rate values or select zone changes.
Enabling Auto Climb You can use the auto climb feature to detect elevation changes automatically. You can use it during activities such as climbing, hiking, running, or biking. 1 Hold MENU. 2 Select Activities & Apps. 3 Select an activity. NOTE: This feature is not available for all activities. 4 Select the activity settings. 5 Select Auto Climb > Status. 6 Select Always or When Not Navigating. 7 Select an option: • Select Run Screen to identify which data screen appears while running.
Training Workouts You can create custom workouts that include goals for each workout step and for varied distances, times, and calories. During your activity, you can view workout-specific data screens that contain workout step information, such as the workout step distance or average step pace. Your device includes several preloaded workouts for multiple activities.
Creating an Interval Workout 1 2 3 4 5 From the watch face, press START. Select an activity. Hold MENU. Select Training > Intervals > Edit > Interval > Type. Select Distance, Time, or Open. TIP: You can create an open-ended interval by selecting the Open option. 6 If necessary, select Duration, enter a distance or time interval value for the workout, and select 7 Press BACK. 8 Select Rest > Type. 9 Select Distance, Time, or Open.
PacePro Training Many runners like to wear a pace band during a race to help achieve their race goal. The PacePro feature allows you to create a custom pace band based on distance and pace or distance and time. You can also create a pace band for a known course to optimize your pace effort based on elevation changes. You can create a PacePro plan using the Garmin Connect app. You can preview the splits and elevation plot before you run the course.
Starting a PacePro Plan Before you can start a PacePro plan, you must download a plan from your Garmin Connect account. 1 From the watch face, press START. 2 Select an outdoor running activity. 3 Hold MENU. 4 Select Training > PacePro Plans. 5 Select a plan. 6 Press START. TIP: You can preview the splits, elevation plot, and the map before you accept the PacePro plan. 7 Select Accept Plan to start the plan. 8 If necessary, select to enable course navigation. 9 Press START to start the activity timer.
Using Virtual Partner ® Your Virtual Partner is a training tool designed to help you meet your goals. You can set a pace for the Virtual Partner and race against it. NOTE: This feature is not available for all activities. 1 Hold MENU. 2 Select Activities & Apps. 3 Select an activity. 4 Select the activity settings. 5 Select Data Screens > Add New > Virtual Partner. 6 Enter a pace or speed value. 7 Press UP or DOWN to change the location of the Virtual Partner screen (optional).
History History includes time, distance, calories, average pace or speed, lap data, and optional sensor information. NOTE: When the device memory is full, your oldest data is overwritten. Using History History contains previous activities you have saved on your watch. 1 From the watch face, hold MENU. 2 Select History > Activities. 3 Select an activity. 4 Press START. 5 Select an option: • To view additional information about the activity, select All Stats.
Restoring a Personal Record You can set each personal record back to the one previously recorded. 1 From the watch face, hold MENU. 2 Select History > Records. 3 Select a sport. 4 Select a record to restore. 5 Select Previous > . NOTE: This does not delete any saved activities. Clearing Personal Records 1 2 3 4 From the watch face, hold MENU. Select History > Records. Select a sport.
Customizing the Watch Face You can customize the watch face information and appearance. 1 From the watch face, hold MENU. 2 Select Watch Face. 3 Press UP or DOWN to preview the watch face options. 4 Press START. 5 Select an option: • To activate the watch face, select Apply. • To customize the data that appears on the watch face, select Customize, press UP or DOWN to preview the options, and press START.
Name Description ABC Displays combined altimeter, barometer, and compass information. Alternate time zones Displays the current time of day in additional time zones (Adding Alternate Time Zones, page 3). Altitude acclima tion At altitudes above 800 m (2625 ft.), displays graphs showing altitude-corrected values for your average pulse oximeter reading, respiration rate, and resting heart rate for the last seven days. Altimeter Displays the approximate elevation based on pressure changes.
Name Description Performance Displays performance measurements that help you track and understand your training activities and race performances (Performance Measurements, page 53). Pulse oximeter Allows you to take a manual pulse oximeter reading (Getting Pulse Oximeter Readings, page 66). If you are too active for the watch to determine your pulse oximeter reading, the measurements are not recorded. Sleep Displays total sleep time, a sleep score, and sleep stage information for the previous night.
Viewing the Glance Loop Glances provide quick access to health data, activity information, built-in sensors, and more. When you pair your watch, you can view data from your phone, such as notifications, weather, and calendar events. 1 Press UP or DOWN. The watch scrolls through the glance loop and displays summary data for each glance. 2 Press START to view more information. 3 Select an option: • Press DOWN to view details about a glance. • Press START to view additional options and functions for a glance.
Performance Measurements These performance measurements are estimates that can help you track and understand your training activities and race performances. The measurements require a few activities using wrist-based heart rate or a compatible chest heart rate monitor. Cycling performance measurements require a heart rate monitor and a power meter. These estimates are provided and supported by Firstbeat Analytics™. For more information, go to garmin.com /performance-data/running.
Getting Your VO2 Max. Estimate for Cycling This feature requires a power meter and wrist-based heart rate or a compatible chest heart rate monitor. The power meter must be paired with your Descent G1 device (Pairing Your Wireless Sensors, page 70). If you are using a chest heart rate monitor, you must put it on and pair it with your device.
Getting Your FTP Estimate Before you can get your functional threshold power (FTP) estimate, you must pair a chest heart rate monitor and power meter with your watch (Pairing Your Wireless Sensors, page 70), and you must get your VO2 max. estimate (Getting Your VO2 Max. Estimate for Cycling, page 54). The watch uses your user profile information from the initial setup and your VO2 max. estimate to estimate your FTP.
Performing a Guided Test to Determine Your Lactate Threshold This feature requires a Garmin chest heart rate monitor. Before you can perform the guided test, you must put on a heart rate monitor and pair it with your device (Pairing Your Wireless Sensors, page 70). The device uses your user profile information from the initial setup and your VO2 max. estimate to estimate your lactate threshold.
Training Status Levels Training status shows you how your training affects your fitness level and performance. Your training status is based on changes to your training load and VO2 max. over an extended time period. You can use your training status to help plan future training and continue improving your fitness level. Peaking: Peaking means that you are in ideal race condition. Your recently reduced training load is allowing your body to recover and fully compensate for earlier training.
Training Load Focus In order to maximize performance and fitness gains, training should be distributed across three categories: low aerobic, high aerobic, and anaerobic. Training load focus shows you how much of your training is currently in each category and provides training targets. Training load focus requires at least 7 days of training to determine if your training load is low, optimal, or high.
Training Effect Aerobic Benefit Anaerobic Benefit From 0.0 to 0.9 No benefit. No benefit. From 1.0 to 1.9 Minor benefit. Minor benefit. From 2.0 to 2.9 Maintains your aerobic fitness. Maintains your anaerobic fitness. From 3.0 to 3.9 Impacts your aerobic fitness. Impacts your anaerobic fitness. From 4.0 to 4.9 Highly impacts your aerobic fitness. Highly impacts your anaerobic fitness. 5.0 Overreaching and potentially harmful without enough recovery time.
Controls The controls menu lets you quickly access watch features and options. You can add, reorder, and remove the options in the controls menu (Customizing the Controls Menu, page 62). From any screen, hold LIGHT.
Icon Name Description Alarm Clock Select to add or edit an alarm (Setting an Alarm, page 2). Altimeter Select to open the altimeter screen. Alt. Time Zones Select to view the current time of day in additional time zones (Adding Alternate Time Zones, page 3). Assistance Select to send an assistance request (Requesting Assistance, page 82). Barometer Select to open the barometer screen.
Icon Name Description Stopwatch Select to start the stopwatch (Using the Stopwatch, page 3). Sunrise & Sunset Select to view sunrise, sunset, and twilight times. Sync Select to sync your watch with your paired phone. Timers Select to set a countdown timer (Starting the Countdown Timer, page 2). Wallet Select to open your Garmin Pay wallet and pay for purchases with your watch (Garmin Pay, page 63).
Garmin Pay The Garmin Pay feature allows you to use your watch to pay for purchases in participating locations using credit or debit cards from a participating financial institution. NOTE: This feature is not available for all product models. Setting Up Your Garmin Pay Wallet You can add one or more participating credit or debit cards to your Garmin Pay wallet. Go to garmin.com /garminpay/banks to find participating financial institutions. 1 From the Garmin Connect app, select or .
Changing Your Garmin Pay Passcode You must know your current passcode to change it. If you forget your passcode, you must reset the Garmin Pay feature for your Descent G1 watch, create a new passcode, and reenter your card information. 1 From the Descent G1 device page in the Garmin Connect app, select Garmin Pay > Change Passcode. 2 Follow the on-screen instructions. The next time you pay using your Descent G1 watch, you must enter the new passcode.
Tips for Erratic Heart Rate Data If the heart rate data is erratic or does not appear, you can try these tips. • Clean and dry your arm before putting on the watch. • Avoid wearing sunscreen, lotion, and insect repellent under the watch. • Avoid scratching the heart rate sensor on the back of the watch. • Wear the watch above your wrist bone. The watch should be snug but comfortable. • Wait until the icon is solid before starting your activity.
Broadcasting Heart Rate Data You can broadcast your heart rate data from your watch and view it on paired devices. Broadcasting heart rate data decreases battery life. TIP: You can customize the activity settings to broadcast your heart rate data automatically when you begin an activity (Activities and App Settings, page 38). For example, you can broadcast your heart rate data to an Edge device while cycling. NOTE: Broadcasting heart rate data is not available for dive activities.
Tips for Erratic Pulse Oximeter Data If the pulse oximeter data is erratic or does not appear, you can try these tips. • Remain motionless while the watch reads your blood oxygen saturation. • Wear the watch above your wrist bone. The watch should be snug but comfortable. • Hold the arm wearing the watch at heart level while the watch reads your blood oxygen saturation. • Use a silicone or nylon band. • Clean and dry your arm before putting on the watch.
Altimeter and Barometer The watch contains an internal altimeter and barometer. The watch collects elevation and pressure data continuously, even in low-power mode. The altimeter displays your approximate elevation based on pressure changes. The barometer displays environmental pressure data based on the fixed elevation where the altimeter was most recently calibrated (Altimeter Settings, page 68).
Wireless Sensors Your watch can be paired and used with wireless ANT+ or Bluetooth sensors (Pairing Your Wireless Sensors, page 70). After the devices are paired, you can customize the optional data fields (Customizing the Data Screens, page 37). If your watch was packaged with a sensor, they are already paired. For information about specific Garmin sensor compatibility, purchasing, or to view the owner's manual, go to buy.garmin.com for that sensor.
Pairing Your Wireless Sensors The first time you connect a wireless sensor to your watch using ANT+ or Bluetooth technology, you must pair the watch and sensor. If the sensor has both ANT+ and Bluetooth technology, Garmin recommends that you pair using ANT+ technology. After they are paired, the watch connects to the sensor automatically when you start an activity and the sensor is active and within range. 1 If you are pairing a heart rate monitor, put on the heart rate monitor.
Tips for Missing Running Dynamics Data If running dynamics data does not appear, you can try these tips. • Make sure you have a running dynamics accessory, such as the HRM-Pro accessory. Accessories with running dynamics have on the front of the module. • Pair the running dynamics accessory with your Descent device again, according to the instructions. • If you are using the HRM-Pro accessory, pair it with your Descent device using ANT+ technology, rather than Bluetooth technology.
Controlling a VIRB Action Camera Before you can use the VIRB remote function, you must enable the remote setting on your VIRB camera. See the VIRB Series Owner's Manual for more information. 1 Turn on your VIRB camera. 2 Pair your VIRB camera with your Descent watch (Pairing Your Wireless Sensors, page 70). The VIRB glance is automatically added to the glance loop. 3 Press UP or DOWN from the watch face to view the VIRB glance. 4 If necessary, wait while your watch connects to your camera.
Xero Laser Location Settings Before you can customize laser location settings, you must pair a compatible Xero device (Pairing Your Wireless Sensors, page 70). Hold MENU, and select Sensors & Accessories > XERO Laser Locations > Laser Locations. During Activity: Enables the display of laser location information from a compatible, paired Xero device during an activity. Share Mode: Allows you to share laser location information publicly or broadcast it privately. Map represents your location on the map.
Pairing Your Phone with Your Watch To use the connected features of the Descent watch, it must be paired directly through the Garmin Dive app, instead of from the Bluetooth settings on your phone. 1 From the app store on your phone, install and open the Garmin Dive app. 2 Bring your phone within 10 m (33 ft.) of your watch. 3 Select an option to enable pairing mode on your watch: • During the initial setup, select when you are prompted to pair with your smartphone.
Replying to a Text Message NOTE: This feature is available only for compatible Android phones. When you receive a text message notification on your watch, you can send a quick reply by selecting from a list of messages. You can customize messages in the Garmin Connect app. NOTE: This feature sends text messages using your phone. Regular text message limits and charges from your carrier and phone plan may apply. Contact your mobile carrier for more information about text message charges or limits.
Analyze your data Plan your training: You can choose a fitness goal and load one of the day-by-day training plans. Track your progress: You can track your daily steps, join a friendly competition with your connections, and meet your goals. Share your activities: You can connect with friends to follow each other's activities or post links to your activities on your favorite social networking sites. Manage your settings: You can customize your watch and user settings on your Garmin Connect account.
Using Garmin Connect on Your Computer The Garmin Express™ application connects your watch to your Garmin Connect account using a computer. You can use the Garmin Express application to upload your activity data to your Garmin Connect account and to send data, such as workouts or training plans, from the Garmin Connect website to your watch. You can also install software updates and manage your Connect IQ apps. 1 Connect the watch to your computer using the USB cable. 2 Go to www.garmin.com/express.
Garmin Explore™ The Garmin Explore website and mobile app allow you to plan trips and use cloud storage for your waypoints, routes, and tracks. They offer advanced planning both online and offline, allowing you to share and sync data with your compatible Garmin device. You can use the mobile app to download maps for offline access, and then navigate anywhere without using your cellular service. You can download the Garmin Explore app from the app store on your phone (garmin.
Setting Your Heart Rate Zones The watch uses your user profile information from the initial setup to determine your default heart rate zones. You can set separate heart rate zones for sport profiles, such as running, cycling, and swimming. For the most accurate calorie data during your activity, set your maximum heart rate. You can also set each heart rate zone and enter your resting heart rate manually. You can manually adjust your zones on the watch or using your Garmin Connect account. 1 Hold MENU.
Heart Rate Zone Calculations Zone % of Maximum Heart Rate Perceived Exertion Benefits 1 50–60% Relaxed, easy pace, rhythmic breathing Beginning-level aerobic training, reduces stress 2 60–70% Comfortable pace, slightly deeper breathing, conversation possible Basic cardiovascular training, good recovery pace 3 70–80% Moderate pace, more difficult to hold conversation Improved aerobic capacity, optimal cardiovascular training 4 80–90% Fast pace and a bit uncomfortable, breathing forceful Im
Safety and Tracking Features CAUTION The safety and tracking features are supplemental features and should not be relied on as a primary method to obtain emergency assistance. The Garmin Connect app does not contact emergency services on your behalf. The Descent G1 watch has safety and tracking features that must be set up with the Garmin Connect app. NOTICE To use these features, the Descent G1 watch must be connected to the Garmin Connect app using Bluetooth technology.
Requesting Assistance NOTE: Your paired phone must be equipped with a data plan and be in an area of network coverage where data is available. Before you can request assistance, you must set up emergency contacts (Adding Emergency Contacts, page 81). Your emergency contacts must be able to receive emails or text messages (standard text messaging rates may apply). 1 Hold LIGHT. 2 When you feel three vibrations, release the button to activate the assistance feature. The countdown screen appears.
Earning Intensity Minutes Your Descent G1 watch calculates intensity minutes by comparing your heart rate data to your average resting heart rate. If heart rate is turned off, the watch calculates moderate intensity minutes by analyzing your steps per minute. • Start a timed activity for the most accurate calculation of intensity minutes. • Wear your watch all day and night for the most accurate resting heart rate.
Navigating to the Starting Point of a Saved Activity You can navigate back to the starting point of a saved activity in a straight line or along the path you traveled. This feature is available only for activities that use GPS. 1 From the watch face, press START. 2 Select an activity. 3 Hold MENU. 4 Select Navigation > Activities. 5 Select an activity. 6 Select Back to Start, and select an option: • To navigate back to the starting point of your activity along the path you traveled, select TracBack.
Navigating with Sight 'N Go You can point the device at an object in the distance, such as a water tower, lock in the direction, and then navigate to the object. 1 From the watch face, press START. 2 Select an activity. 3 Hold MENU. 4 Select Navigation > Sight 'N Go. 5 Point the top of the watch at an object, and press START. Navigation information appears. 6 Press START to begin navigation.
Creating a Course on Garmin Connect Before you can create a course on the Garmin Connect app, you must have a Garmin Connect account (Garmin Connect, page 75). 1 From the Garmin Connect app, select or . 2 Select Training > Courses > Create Course. 3 Select a course type. 4 Follow the on-screen instructions. 5 Select Done. NOTE: You can send this course to your device (Sending a Course to Your Device, page 86).
Projecting a Waypoint You can create a new location by projecting the distance and bearing from your current location to a new location. NOTE: You may need to add the Project Wpt. app to the activities and apps list. 1 From the watch face, press START. 2 Select Project Wpt.. 3 Press UP or DOWN to set the heading. 4 Press START. 5 Press DOWN to select a unit of measure. 6 Press UP to enter the distance. 7 Press START to save. The projected waypoint is saved with a default name.
Customizing the Battery Saver Feature The battery saver feature allows you to quickly adjust system settings to extend battery life in watch mode. You can turn on the battery saver feature from the controls menu (Controls, page 60). 1 Hold MENU. 2 Select Power Manager > Battery Saver. 3 Select Status to turn on the battery saver feature. 4 Select Edit, and select an option: • Select Watch Face to enable a low-power watch face that updates once per minute. • Select Phone to disconnect your paired phone.
System Settings Hold MENU, and select System. Language: Sets the language displayed on the watch. Time: Adjusts the time settings (Time Settings, page 89). Backlight: Adjusts the screen settings (Changing the Backlight Settings, page 90). Sound and Vibe: Sets the watch sounds, such as button tones, alerts, and vibrations. Do Not Disturb: Allows you to enable the Do Not Disturb mode. You can edit your preferences for the screen, alerts, and wrist gestures.
Syncing the Time Each time you turn on the device and acquire satellites or open the Garmin Connect app on your paired phone, the device automatically detects your time zones and the current time of day. You can also manually sync the time when you change time zones, and to update for daylight saving time. 1 Hold MENU. 2 Select System > Time > Sync with GPS. 3 Wait while the device connects to your paired phone or locates satellites (Acquiring Satellite Signals, page 100).
Syncing Activities and Performance Measurements You can sync activities and performance measurements from other Garmin devices to your Descent G1 watch using your Garmin Connect account. This allows your watch to more accurately reflect your training status and fitness. For example, you can record a ride with an Edge device, and view your activity details and overall training load on your Descent G1 watch. 1 Hold MENU. 2 Select System > Physio TrueUp.
Device Information Charging the Watch WARNING This device contains a lithium-ion battery. See the Important Safety and Product Information guide in the product box for product warnings and other important information. NOTICE To prevent corrosion, thoroughly clean and dry the contacts and the surrounding area before charging or connecting to a computer. Refer to the cleaning instructions (Device Care, page 94). 1 Pinch the sides of the charging clip.
Specifications Battery type Rechargeable, built-in lithium-ion battery Water rating 10 ATM1 Dive (EN 13319)2 Decompression model Bühlmann ZHL-16C Depth sensor Accurate from 0 m to 100 m (0 ft. to 328 ft.) complying with EN 13319 Resolution (m): 0.1 m until 99.9 m, 1 m at 100 m Resolution (ft.): 1 ft. Inspection interval Inspect parts before each use for damage. Replace parts as needed.
Device Care NOTICE Do not use a sharp object to clean the device. Avoid chemical cleaners, solvents, and insect repellents that can damage plastic components and finishes. Thoroughly rinse the device with fresh water after exposure to chlorine, salt water, sunscreen, cosmetics, alcohol, or other harsh chemicals. Prolonged exposure to these substances can damage the case. Do not wash the device under high pressure, because jets of water or air may cause damage to the depth sensor or barometer.
Changing the QuickFit Bands ® 1 Slide the latch on the QuickFit band, and remove the band from the watch. 2 Align the new band with the watch. 3 Press the band into place. NOTE: Make sure the band is secure. The latch should close over the watch pin. 4 Repeat steps 1 through 3 to change the other band.
Changing the Spring Bar Bands You can replace the bands with new Descent G1 bands or compatible QuickFit 22 bands. 1 Use the pin tool to push in the watch pin. 2 Remove the band from the watch. 3 Select an option: • To install Descent G1 bands, align one side of the new band with the holes on the watch, push in the exposed watch pin, and press the band into place. NOTE: Make sure the band is secure. The watch pin should align with the holes on the watch.
NOTE: Make sure the band is secure. The latch should close over the watch pin. 4 Repeat the steps to change the other band. Data Management NOTE: The device is not compatible with Windows 95, 98, Me, Windows NT , and Mac OS 10.3 and earlier. ® ® ® Deleting Files NOTICE If you do not know the purpose of a file, do not delete it. Your device memory contains important system files that should not be deleted. 1 2 3 4 Open the Garmin drive or volume. If necessary, open a folder or volume. Select a file.
Troubleshooting Product Updates Your device automatically checks for updates when connected to Bluetooth. You can manually check for updates from the system settings (System Settings, page 89). On your computer, install Garmin Express (www .garmin.com/express). On your phone, install the Garmin Connect app.
Can I use my Bluetooth sensor with my watch? The device is compatible with some Bluetooth sensors. The first time you connect a sensor to your Garmin device, you must pair the device and sensor. After they are paired, the device connects to the sensor automatically when you start an activity and the sensor is active and within range. 1 Hold MENU. 2 Select Sensors & Accessories > Add New. 3 Select an option: • Select Search All. • Select your sensor type.
Tips for Maximizing the Battery Life To extend the life of the battery, you can try these tips. • Change the power mode during an activity (Changing the Power Mode, page 88). • Turn on the battery saver feature from the controls menu (Controls, page 60). • Reduce the screen timeout (Changing the Backlight Settings, page 90). • Reduce the screen brightness (Changing the Backlight Settings, page 90). • Use UltraTrac satellite mode for your activity.
My daily step count does not appear The daily step count is reset every night at midnight. If dashes appear instead of your step count, allow the device to acquire satellite signals and set the time automatically. My step count does not seem accurate If your step count does not seem accurate, you can try these tips. • Wear the watch on your non-dominant wrist. • Carry the watch in your pocket when pushing a stroller or lawn mower.
Appendix Data Fields NOTE: Not all data fields are available for all activity types. Some data fields require ANT+ or Bluetooth accessories to display data. Some data fields appear in more than one category on the watch. TIP: You can also customize the data fields from the watch settings in the Garmin Connect app. Cadence Fields Name Description Avg. Cadence Cycling. The average cadence for the current activity. Avg. Cadence Running. The average cadence for the current activity. Cadence Cycling.
Diving Fields Name Description CNS Your current central nervous system oxygen toxicity percentage. Current Gas PO2 The partial pressure of oxygen (PO2) of the diluent gas during a closed-circuit rebreather (CCR) dive. Maximum Depth The maximum depth descended during a dive. N2/He Load Your current nitrogen and helium tissue load level. OTU Your current oxygen toxicity units. Time to Surface The amount of time required to safely ascend to the surface.
Heart Rate Fields Name Description %HRR The percentage of heart rate reserve (maximum heart rate minus resting heart rate). Aerobic TE The impact of the current activity on your aerobic fitness level. Anaerobic TE The impact of the current activity on your anaerobic fitness level. Avg. %HRR The average percentage of heart rate reserve (maximum heart rate minus resting heart rate) for the current activity. Average HR The average heart rate for the current activity. Avg HR %Max.
Name Description Move % Heart Rate Reserve The average percentage of heart rate reserve (maximum heart rate minus resting heart rate) for the current move. Move Heart Rate The average heart rate in the current move. Move Heart Rate %Max. The average percentage of maximum heart rate for the current move. Time in Zone The time elapsed in each heart rate zone. Lengths Fields Name Description Interval Lengths The number of pool lengths completed during the current interval.
Name Description VMG The speed at which you are closing on a destination along a route. You must be navi gating for this data to appear. V Dist to Dest The elevation distance between your current position and the final destination. You must be navigating for this data to appear. Vert Spd to Tgt The rate of ascent or descent to a predetermined altitude. You must be navigating for this data to appear. Other Fields Name Description Ambient Press. The uncalibrated environmental pressure. Baro.
Pace Fields Name Description 500m Pace The current rowing pace per 500 meters. Avg. 500m Pace The average rowing pace per 500 meters for the current activity. Average Pace The average pace for the current activity. Int. Pace The average pace for the current interval. Lap 500m Pace The average rowing pace per 500 meters for the current lap. Lap Pace The average pace for the current lap. LL 500m Pace The average rowing pace per 500 meters for the last lap.
Power Fields Name Description % FTP The current power output as a percentage of functional threshold power. 3s Avg. Balance The 3-second moving average of the left/right power balance. 3s Avg. Power The 3-second moving average of power output. 10s Avg Balance The 10-second moving average of the left/right power balance. 10s Avg. Power The 10-second moving average of power output. 30s Avg Balance The 30-second moving average of the left/right power balance. 30s Avg.
Name Description NP The Normalized Power for the current activity. Pedal Smooth. The measurement of how evenly a rider is applying force to the pedals throughout each pedal stroke. PCO The platform center offset. Platform center offset is the location on the pedal platform where force is applied. Power Cycling. The current power output in watts. Power to Weight The current power measured in watts per kilogram.
Run Dynamics Name Description Avg. GCT Bal. The average ground contact time balance for the current session. Avg GCT The average amount of ground contact time for the current activity. Avg. Stride Len. The average stride length for the current session. Avg. Vert. Osc. The average amount of vertical oscillation for the current activity. Avg. Vert. Ratio The average ratio of vertical oscillation to stride length for the current session.
Speed Fields Name Description Avg. Moving Speed The average speed when moving for the current activity. Avg. Overall Speed The average speed for the current activity, including both moving and stopped speeds. Avg. Speed The average speed for the current activity. Avg. Nautical SOG The average speed of travel in knots for the current activity, regardless of the course steered and temporary variations in heading. Nautical Avg. Speed The average speed in knots for the current activity.
Stroke Fields Name Description Avg Dist Per Stk Swimming. The average distance traveled per stroke during the current activity. Avg Dist Per Stk Paddle sports. The average distance traveled per stroke during the current activity. Avg. Strk Rate Paddle sports. The average number of strokes per minute (spm) during the current activity. Avg. Strk Rate Swimming. The average number of strokes per minute (spm) during the current activity. Avg.
Swolf Fields Name Description Average Swolf The average swolf score for the current activity. Your swolf score is the sum of the time for one length plus the number of strokes for that length (Swim Terminology, page 25). In open water swimming, 25 meters is used to calculate your swolf score. Int. Swolf The average swolf score for the current interval. Lap Swolf The swolf score for the current lap. L. Lap Swolf The swolf score for the last completed lap. Last Len.
Color Gauges and Running Dynamics Data In the Garmin Connect activity, the running dynamics data displays as colored graphs. The color zones are based on percentiles and show you how your running dynamics data compare to those of other runners. Garmin has researched many runners of all different levels. The data values in the red or orange zones are typical for less experienced or slower runners. The data values in the green, blue, or purple zones are typical for more experienced or faster runners.
Vertical Oscillation and Vertical Ratio Data NOTE: In the Garmin Connect activity, the running dynamics data displays as colored graphs. The data ranges for vertical oscillation and vertical ratio are slightly different depending on the sensor and whether it is positioned at the chest (HRM-Pro, HRM-Run™, or HRM-Tri accessories) or at the waist (Running Dynamics Pod accessory).
FTP Ratings These tables include classifications for functional threshold power (FTP) estimates by gender. Males Watts per Kilogram (W/kg) Superior 5.05 and greater Excellent From 3.93 to 5.04 Good From 2.79 to 3.92 Fair From 2.23 to 2.78 Untrained Less than 2.23 Females Watts per Kilogram (W/kg) Superior 4.30 and greater Excellent From 3.33 to 4.29 Good From 2.36 to 3.32 Fair From 1.90 to 2.35 Untrained Less than 1.
Wheel Size and Circumference Your speed sensor automatically detects your wheel size. If necessary, you can manually enter your wheel circumference in the speed sensor settings. The tire size is marked on both sides of the tire. This is not a comprehensive list. You can also measure the circumference of your wheel or use one of the calculators available on the internet.
Tire Size Wheel Circumference (mm) 20 × 1.75 1515 20 × 1-3/8 1615 22 × 1-3/8 1770 22 × 1-1/2 1785 24 × 1 1753 24 × 3/4 Tubular 1785 24 × 1-1/8 1795 24 × 1.75 1890 24 × 1-1/4 1905 24 × 2.00 1925 24 × 2.125 1965 26 × 7/8 1920 26 × 1-1.0 1913 26 × 1 1952 26 × 1.25 1953 26 × 1-1/8 1970 26 × 1.40 2005 26 × 1.50 2010 26 × 1.75 2023 26 × 1.95 2050 26 × 2.00 2055 26 × 1-3/8 2068 26 × 2.10 2068 26 × 2.125 2070 26 × 2.35 2083 26 × 1-1/2 2100 26 × 3.
Tire Size Wheel Circumference (mm) 29 x 2.2 2298 29 x 2.3 2326 650 x 20C 1938 650 x 23C 1944 650 × 35A 2090 650 × 38B 2105 650 × 38A 2125 700 × 18C 2070 700 × 19C 2080 700 × 20C 2086 700 × 23C 2096 700 × 25C 2105 700C Tubular 2130 700 × 28C 2136 700 × 30C 2146 700 × 32C 2155 700 × 35C 2168 700 × 38C 2180 700 × 40C 2200 700 × 44C 2235 700 × 45C 2242 700 × 47C 2268 Symbol Definitions These symbols may appear on the device or accessory labels.
Index A accessories 64, 69, 98, 99 acclimation 57 activities 23, 27–29, 36, 37 custom 26, 37, 86 favorites 36 saving 24 starting 23 activity tracking 82 alarms 2, 39 alerts 39, 40, 87, 89 heart rate 65 altimeter 68 calibrating 68 altitude 57 ANT+ sensors 64, 69 fitness equipment 28 applications 73, 75, 78 apps 24 auto climb 41 auto rest 25 B backlight 90 bands 95 barometer 68 calibrating 68 battery 94 charging 92 maximizing 29, 75, 88, 100 Bluetooth sensors 64, 69, 70 Bluetooth technology 73–75, 98 Body
timer 26–29, 47 countdown 2, 3 tones 2 TracBack 24, 84 tracks 83 training 42–46, 57, 58 plans 42, 43 Training Effect 58 training load 56, 57 training status 42, 56, 57, 59, 91 treadmill 24 triathlon training 26 troubleshooting 52, 65, 67, 71, 98, 99, 101 U UltraTrac 41 unit ID 91 units of measure 90 updates, software 76, 77 uploading data 76 USB 77 user data, deleting 97 user profile 78 V vertical oscillation 70, 114, 115 vertical ratio 70, 114, 115 VIRB remote 71, 72 virtual caddie 33 virtual course 24
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