DESCENT T1 ™ Owner’s Manual
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Table of Contents Introduction.....................................................................1 Installation and Setup.................................................... 1 Transmitter Position Tips ............................................................ 1 Installing the Transmitter on Your Tank Regulator ..................... 1 Installing the Transmitter on a High Pressure Hose Extension ....................................................................................
Introduction WARNING See the Important Safety and Product Information guide in the product box for product warnings and other important information. Installation and Setup CAUTION To ensure proper setup and best performance, it is strongly recommended that you complete the first time installation and setup at a dive shop. You should fully test the transmitter installation above and below water before using it during a dive.
3 Confirm the regulator is depressurized and detached from a scuba cylinder. 4 Remove the port plug from the high pressure output port of the first-stage regulator. 5 Connect a high pressure hose extension to the high pressure output port of the first-stage regulator. 6 Screw the transmitter onto the high pressure hose extension until you feel resistance. NOTICE To prevent damage to the transmitter and possible loss of function, do not overtighten.
power mode. You must wake the device from low power mode to complete the pairing process. NOTE: If a transmitter was packaged with your dive computer, they are already paired. 1 Install the transmitter on the first-stage regulator (Installing the Transmitter on Your Tank Regulator, page 1). 2 Gradually open the tank valve to pressurize the first-stage regulator. When the transmitter detects pressure, it wakes from low power mode.
Dive Warnings WARNING • This device is for use by certified divers only. • This device should not be used as the only source of pressure information. Always use backup instruments, including a depth gauge, submersible pressure gauge, and timer or watch. • 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.
Alert Message Cause Device Action %1 has a low battery. Fewer than 20 hours of dive time remain. "%1" is replaced with the transmitter name. The transmitter name flashes BATT. LOW when the battery is critically low. The paired dive computer vibrates and plays a warning tone. NO COMMS Your paired dive computer has lost communication with the transmitter for 60 seconds. The transmitter name flashes NO COMMS, dashed lines replace the tank pressure value, and the tank pressure value flashes red.
Troubleshooting Updating the Transmitter Software Using Your Descent Dive Computer Before you can update the software, you must pair your Descent T1 transmitter to a compatible Descent dive computer. 1 Select an option to sync your dive computer: • Sync your dive computer with the Garmin Dive™ app. • Connect the dive computer to your computer using the USB cable, and sync with the Garmin Express™ application. Garmin Dive and Garmin Express automatically look for software updates.
Index A accessories 5 B battery 5 replacing 5 C cleaning the device 5 D data, screens 3, 4 device care 5 diving 3, 4 I installing 1, 2 P pairing 2 R replacing the battery 5 S settings 3, 5 specifications 5 T troubleshooting 4–6 Index 7
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