MANUAL Simrad EQ33 Echosounder 183.2300.702 02121.
EQ33 Echosounder Table of contents Chapter 1 Introduction and safety summary 1.1 Introduction and system familiarization ...................................... 1-1 1.2 Safety summary ........................................................................... 1-2 1.3 How to get started ........................................................................ 1-3 1.3.1 Dedicated function keys ............................................................... 1-3 1.3.2 Echosounder features ......................
Table of contents 7.2 7.2.1 7.2.2 7.3 7.4 7.5 7.6 7.7 EQ33 Echosounder Interface setup, NMEA ................................................................ 7-4 Default sentences.......................................................................... 7-5 Description of sentences............................................................... 7-6 Interface setup, alarm output........................................................ 7-7 Decca lanes...........................................................
EQ33 Introduction and safety summary Chapter 1-1 1.1 Introduction and system familiarization Congratulations on your purchase of SIMRAD EQ33 Echosounder and Fishfinder - a high performance echosounder in a unique slim-line design with a bright 6” TFT color or monochrome display. The EQ33 is both an echosounder system with selectable frequency i.e.
Chapter 1-2 EQ33 Introduction and safety summary 1.2 Safety summary Precaution: Do not open the equipment, only qualified persons should work inside the equipment. If the glass in the screen breaks, be careful not to get cut on the sharp edges of the glass pieces. Power source, fuse and power cable: Check that the DC power supplied to the unit is within the range of 10 to 32 volts. Note that the appropriate fuse must be employed (see the fuse rating in section 9.10 Specifications).
EQ33 Introduction and safety summary Chapter 1-3 1.3 How to get started PWR Press and hold the [PWR] key until you have a picture on the screen ENT Press the [ENT] key when the legend ‘System Ready’ appears on the screen 1.3.1 Dedicated function keys STND Press [STND] from any other display will call up the standard echo display. Press [STND] again will toggle A-scope on/off. Press [STND] for 2 seconds will toggle between 50 and 200 kHz echo displays.
Chapter 1-4 EQ33 Introduction and safety summary 1.3.2 Echosounder features A-scope - Activate A-scope by means of one of the dedicated function keys (see section 1.3.1), or with echo display in active screen the function can be turned on/off from the ECHO menu. Echoes are displayed in a ‘bar-graph’ format. The strength of the actual echo is indicated by both width and color intensity.
EQ33 Fundamentals & initial start-up Chapter 2-1 2.1 Fundamentals of the display and page system The EQ33 Echosounder has a multi-function screen and data presentation system with full screen or a split screen with echo display and data. Full screen. Split screen. There are four preset pages which can be set up to the presentation you prefer - see next page.
Chapter 2-2 EQ33 Fundamentals & initial start-up Toggle between the four pre-set pages manually: PAGE Press the [PAGE] key - again and again - to toggle between the 4 pre-set pages, which as default are: Echo 200kHz display, Depth & temperature diagram, Position display, and Highway display.
EQ33 Fundamentals & initial start-up Chapter 2-3 2.2 Key functions Some of the key functions are general and can be applied at any time, other key functions are related to a certain menu(s) and can only be applied when in the appropriate menu. MENU Turns the menu bar on/off. Exits any data display without taking any action. EVENT Inserts a vertical mark at current ping and sends out WPL via NMEA to connected chartplotter. +/- Changes echosounder range i.e.
Chapter 2-4 0-9 EQ33 Fundamentals & initial start-up The alpha-numeric keys inserts and selects data in data displays. Keys 1-9 are also Quick-range keys, which each represent a fixed echosounder range. Key 0 will activate auto range. PWR Calls up a window where you can adjust the brightness in the screen, background light in keypad, and select Daylight displays, Night display or custom made color palettes. Hold two seconds to turn the power off. CLR Turns off VRM line in echo display.
EQ33 Fundamentals & initial start-up Chapter 2-5 2.
Chapter 2-6 EQ33 Fundamentals & initial start-up 2.5 Initial start-up PWR To turn on the EQ33, press and hold the [PWR] key till a picture appears on the screen ENT Press [ENT] when the legend ‘System Ready’ appears on the screen PWR Press [PWR] again to adjust the lighting in the screen and select day or night display etc., move around in display by means of the cursor key and change settings with +/- keys, and...
EQ33 Position menu Chapter 3-1 3. Position menu 1 POS 1 Position 3.1 Position display To present a position will require that the echosounder is connected to a navigator (GPS position sensor). MENU 1,1 Call up the menu bar, and... load Position display Trip log 1 and 2. Position in three decimals in minutes. Water speed/speed over ground. Course, magnetic or true. Editing of position display Reset log or change the start figure, adjust local time and date, change position presentation i.e.
Chapter 3-2 EQ33 Position menu CLR Press [CLR] to reset log +/- Toggle between available values, change time and date ENT Confirm entry
EQ33 Pilot menu Chapter 4-1 4. Pilot menu 2 PILOT 1 Highway 4.1 Highway display To present any information in the EQ33 highway display will require that a navigator is connected via the NMEA input port (PWR) - refer to section 9.5 Electrical connections. The connected navigator must be in navigation mode, which could be Cursor, Waypoint, Route or Track navigation - see next page. 4.2 Navigation setup MENU 2,1 Call up the menu bar, and...
Chapter 4-2 EQ33 Pilot menu Highway display (with active navigation mode) Nautical miles indication on horizontal lines indicates how many nautical miles there are from ship’s position to the horizontal line. C: Course over ground X: Cross-track-error S: Speed over ground B: Bearing to approaching WP D: Distance to waypoint V: Speed towards WP (velocity) Bottom line indicates name/number of approaching waypoint or routepoint. Ship’s position and heading in relation to intended track.
EQ33 Echosounder operation Chapter 5-1 5. Echosounder operation The echosounder function of the EQ33 determines the distance between its transducer and underwater objects such as fish, lake bottom or sea bed. It does this by utilizing the fact that an ultrasonic wave transmitted through water travels at a nearly constant speed of 1500 meters (4800 feet) per second. When a sound wave strikes an underwater object such as fish or sea bottom, part of the sound wave is reflected back toward the source.
Chapter 5-2 EQ33 Echosounder operation 5.1 Echosounder menu 3 ECHO 1 Echo 50kHz - see section 5.2 2 Echo 200kHz - see section 5.2 3 Turn bottom expansion ON - see section 5.3 4 Turn VRM expansion ON - see section 5.4 5 Turn A-scope ON - see section 5.5 6 Depth & temperature diagram - see section 5.7 7 Echosounder setup - see section 5.8 5.2 Echosounder display Low and high frequency echosounder display can be set up separately.
EQ33 Echosounder operation Chapter 5-3 This is the basic presentation mode (standard display) for observing fish schools and sea bed. Some surface noise may appear just below the transmission line. Transmission line Depth range is adjustable with +/keys or the Quick-range keys 1-9. Press key 0 to return to Auto range.
Chapter 5-4 EQ33 Echosounder operation 5.3 Bottom expansion The advanced bottom lock and expansion feature ensures a reliable depth readout and provides a compressed standard display in the upper half of the display. The bottom area can be magnified for better separation of echoes. The actual size of the expansion window can be adjusted in the Setup display for 50kHz/200kHz. As an example, from active Echo 50kHz display: MENU 3,3 Call up the menu bar, and... activate bottom expansion... ...
EQ33 Echosounder operation Chapter 5-5 5.4 VRM expansion This feature will provide an expanded view of the area near the Variable Range Marker which will give a better separation of echoes. The actual size of the expansion window can be adjusted in the Setup display for 50kHz/200kHz. As an example, from active Echo 50kHz display: MENU 3,4 Call up the menu bar, and... activate VRM expansion ...
Chapter 5-6 EQ33 Echosounder operation 5.5 A-scope The amplitude scope, which appears in the right side of the echo display, can be turned on and off. The readout indicates the precise amplitude or strength of the last received ping (sounding), which often can be used for determining individual species of fish or hardness or the bottom. As an example, from active Echo 50kHz display: MENU 3,5 Call up the menu bar, and... turn A-scope ON or...
EQ33 Echosounder operation Chapter 5-7 5.6 Variable range marker From active echo display: Activate the Variable Range Marker function, and... Move the VRM up/down +/- Adjust the range by means of the +/- keys CLR Turn VRM off again 5.7 Depth & temperature diagram MENU 3,6 Call up the menu bar, and... activate Depth & temperature diagram Present water temperature and depth. Depth over time or distance. Temperature over time or distance. ENT Call Setup for Depth -see display example next page.
Chapter 5-8 EQ33 Echosounder operation Setup for Depth: Scale for depth: 0 -> 100 m Color for depth: Scale for temperature: Color for temperature: Interval of screen: Time interval: 0 -> 20 °C TIME 5 MIN. Go to the function you wish to change 0-9 +/- Key in new figures, or... change settings ENT Confirm changes Scale for depth - there are six depth scales to choose from, ranging from 0 -> 10m to 0 -> 3000m. Toggle between values with +/- keys. Color - for depth and temperature can be changed.
EQ33 Echosounder operation Chapter 5-9 5.8 Echosounder setup The Echosounder setup display mainly consist of general settings, but also applies to a specific frequency where stated. The EQ33 features semi dual transceiver transmitting at 50 and 200 kHz. MENU 3,7 Call up the menu bar, and... activate Echosounder setup display Use the cursor key to move cursor around in the display +/- Select new values by means of the +/- keys ENT Confirm changes, or...
Chapter 5-10 EQ33 Echosounder operation Data on NMEA-out from - select the frequency you wish to use for transfer of data to connected navigator, plotter, etc. Alarm for fish - set the strength from min. 00 (weak echo) to max. 99dB (strong echo), and you can set it ON or OFF. Depth DS fish - define a specific area below the water surface of minimum and maximum depth for the fish alarm. Depth DK alarm min. and max. - set up a depth limit alarm for depth below keel.
EQ33 Echosounder operation Chapter 5-11 5.9 Presentation setup The most common settings for adjusting the presentation of the high or low frequency echo picture are accessed by a single keystroke.
Chapter 5-12 EQ33 Echosounder operation
EQ33 Miscellaneous menu Chapter 6-1 6. Miscellaneous menu 4 MISC 1 Wind - see section 6.1 2 DSC alarm - see section 6.2 6.1 Wind display The EQ33 is ready to present wind data from connected instruments. Wind data - the ‘wind instrument’ can provide both wind direction and wind speed, and the readings can be shown in relative or true (when the data is supplied from connected wind instrument). MENU 4,1 Call up the menu bar, and... load the ‘Wind instrument’ display True wind direction.
Chapter 6-2 ENT EQ33 Miscellaneous menu Load Setup for Wind display Setup for Wind: Damping level: MEDIUM Relative wind scale: NORMAL Wind angle offset: 000° Show wind speed as: Wind speed unit: RELATIVE METERS/SECOND Go to the function you wish to change +/- Toggle between settings, or... 0-9 Key in new figure ENT Confirm entry and return to Wind display Damping level - can be set to LOW, MEDIUM or HIGH. The higher level the more steady and slow reacting reading.
EQ33 Miscellaneous menu Chapter 6-3 6.2 DSC alarm (feature prepared for future DSC VHF) To receive a DSC Alarm and Message from VHF will require that the EQ33 is connected to a compatible Simrad VHF radiotelephone. The message from the VHF will appear in a pop-up window together with an acoustic alarm. Press [CLR] to reset the alarm. To view the last received message: MENU 4,2 Call up the menu bar, and...
Chapter 6-4 EQ33 Miscellaneous menu
EQ33 Setup menu Chapter 7-1 7. Setup menu 5 SETUP 1 Speed alarm, units & language - see section 7.1 2 NMEA interface - see section 7.2 3 Alarm output - see section 7.3 4 Decca lanes - see section 7.4 5 Loran C - see section 7.5 6 Display color - see section 7.6 7 Factory settings - see section 7.7 7.1 Speed alarm, units & language MENU 5,1 Call up the menu bar, and...
Chapter 7-2 +/- EQ33 Setup menu Toggle between available values Serial number: Interface software version: PAGE rotation interval: Display text in: PAGE More MENU Exit ENT MENU (2/2) 0x00ffffff Example of 0x00000025 the Speed alarm, units 05 sec. & language display, English GB page 2. Scroll Accept ENT Confirm changes, or... exit function without making any changes Setup for speed: LOG speed sensor - set to ON, the position display will show water speed from external log sensor (via ECHO port).
EQ33 Setup menu Chapter 7-3 Setup for units Depth altitude in - can be set to meters (m), feet (ft) or fathoms (fm). Distance in - can be calculated in nautical miles (nm), kilometers (km) or statue miles (mi). Speed in - can be shown in knots (kn), kilometers/hour (kh) or miles/hour (mh). Temperature in - can be shown in Celcius or Fahrenheit. Software version - indicates which software version is installed in the unit. Serial number - indicates the unit’s serial number.
Chapter 7-4 EQ33 Setup menu 7.2 Interface setup, NMEA The next pages indicate the default settings for the interface setups. After the interface setups will follow a description of the input and output sentences available in the setups. MENU 5,2 PAGE +/- Call up the menu bar, and... load NMEA interface Toggle between the two pages of sentences -refer to 7.2.1 default settings and 7.2.
EQ33 Setup menu Chapter 7-5 7.2.
Chapter 7-6 EQ33 Setup menu 7.2.2 Description of sentences Description of NMEA0183 input sentences MTW Water temperature. VHW Water speed and heading. GLL Geographic position, latitude/longitude. RMA Recommended minimum specific Loran C data. RMC Recommended minimum specific GPS data. GGA Global Positioning System fix data. VTG Track made good (course) and ground speed. Description of NMEA0183 navigation input sentences APB Autopilot sentence “B”. RMB Recommended minimum navigation information.
EQ33 Setup menu Chapter 7-7 7.3 Interface setup, alarm output MENU 5,3 Call up the menu bar, and... load display for Alarm output Interface setup, alarm: Output (pin 1,2): Alarm stand-by level: MENU Exit ON LOW Accept ENT The stand-by level can either be: LOW = 0 volt or HIGH = 5 volt. Use cursor to move around in display, and... +/- Toggle between available settings ENT Confirm entry, or...
Chapter 7-8 EQ33 Setup menu 7.4 Decca lanes To present a position will require that the echosounder is connected to a navigator. MENU 5,4 Call up the menu bar, and... load decca chain display +/- Leaf through the available chains - see below.
EQ33 Setup menu Chapter 7-9 7.5 Loran C To present a position will require that the echosounder is connected to a navigator. MENU 5,5 Call up the menu bar, and... load Loran C chain display +/- Leaf through the available chains - see listing below. If required, go to the slaves, and... +/- Toggle between available slaves (not all chains have more than one slave) 0-9 ...
Chapter 7-10 EQ33 Setup menu 7.6 Display color MENU 5,6 Call up the menu bar, and... load the Palette setup Palette 1 to 4 are preset to bright daylight (sunshine) in 1 and 2, normal daylight in 3, and night setting in 4. These four setups are not adjustable. Palette 5 to 9 can be customized to suit individual needs and wishes. If you wish to make your own special palette setup in e.g.
EQ33 Setup menu Chapter 7-11 Page 2 of 2. Alphanumeric names: First select the key with the desired letter, then you can either repeat the keystrokes, which will toggle between e.g. A,B,C,1, or once you have selected one letter you can go back and forth in the alphabet by means of the +/- keys. Use the cursor key to go to next space or to go back one space if you make a mistake. Depending on the selected language, the 0 (zero) key will hold special characters e.g.
Chapter 7-12 MENU 5,7 EQ33 Setup menu Call up the menu bar, and... activate the display for Factory settings 1 2 CLR 0 FACTORY PRESETS: Return to NMEA presets Return to SOUNDER presets Return to all factory presets Show test display MENU Exit To activate any of the above-mentioned functions, please follow the instructions in the display. However, any attempt to make any type of change, will first of all generate a WARNING display to inform you that you are about to erase some or all data/settings.
EQ33 Principles of operation Chapter 8-1 8.1 Parts of an echosounder An echosounder is composed of a display screen, processor, and transmitter/ receiver unit which in the case of the EQ33 are housed in one unit. Connected to this unit by a shielded cable is the transducer, which is mounted horizontally on the bottom of the hull or on the transom. The display screen presents in graphic and numerical form the information the processor is receiving and accumulating from the transducer.
Chapter 8-2 EQ33 Principles of operation 8.2 How the echosounder works When the EQ33 is turned on, the processor begins to send electrical pulses to the transducer. The ceramic resonator in the transducer has a special property which enables it to change dimensions slightly when a varying voltage is applied. The voltage is thus converted to mechanical vibrations (sound waves) which are then transmitted down through the water. See Fig. 1. Fig. 1 Transmitted ‘ping’ from the transmitter/receiver.
EQ33 Principles of operation Chapter 8-3 8.3 Transducer beam width The transducer mounted to the hull of your vessel serves as both a ‘speaker’ when transmitting, and as a ‘microphone’ when the echosounder is receiving. Similar to the way a flashlight focuses light, most of the sound from your transducer is focused downwards with a smaller amount going out to the sides. The amount of focusing of the sound beam is expressed as a ‘beam width’.
Chapter 8-4 EQ33 Principles of operation 8.4 Effects of the vessel’s speed The presentation of fish on the EQ33 depends directly on the vessel’s speed, as well as on the depth of the fish. When the vessel is at rest, the echo traces will appear stretched and flattened. As the vessel’s speed becomes greater, the echo traces will become shorter and more arched. The reason for this change in appearance is that as the vessel speed increases, fewer number of sound ‘pings’ strike each fish.
EQ33 Installation and service Chapter 9-1 9. Installation and service 9.1 Installation notes For a number of reasons, all user-related decisions, setups, etc. should be noted in these two pages as they occur. This information may be helpful if your unit has been updated with new software, reset or in for service.
Chapter 9-2 EQ33 Installation and service Other important settings (continued):
EQ33 Installation and service Chapter 9-3 9.2 Installation of EQ33 Echosounder 37.5 (1.5”) 168 mm (6.6”) 144 mm (5.8”) The EQ33 can be flat or bracket mounted - overhead, bulkhead or console. 235 mm (9.3”) 252 mm (10”) 100.5 mm (4”) 45 mm (1.8”) Console mounting (max. tilt 45°) Bulkhead mounting (approx.
Chapter 9-4 Overhead mounting EQ33 Installation and service Flush mounting Removable corner for flush mounting Refer to included template for instructions on flush mounting. Bracket mounting Secure the bracket with two wood screws or bolts (incl.). 9.3 Location for display unit Determine which place is the most suitable and convenient for navigation and general operation after considering the following conditions: - you can see the ship’s bow when you raise or lower your eyes from the display.
EQ33 Installation and service Chapter 9-5 9.4 Installation of DS33 Dual Station The DS33 is a remote control unit for the EQ33 echosounder. Both units are identical in size, so the same installation guides can be applied when performing the installation. Refer to section 9.5 for details on pin numbers. EQ33 Ground Ground Power cable DS33 (NMEA) Connection cable 12.5 m - extendable to max.25 m Power cable (Not usable) 9.4.
Chapter 9-6 EQ33 Installation and service 9.5 Electrical connections Ship’s Ground Fuse 4.0A slow 1 & 2: Red Supply + 10 - 32 Volts 3 & 4: Black Supply - NMEA In NC Rx-Shield 9: Yellow Data in (Rx) 6: Green Return NMEA Out 5: Braid Tx-Shield 7: White Data out (Tx) 8: Brown Return NMEA 2000 Optional ECHO Transducer 1: Speed Log 2: Speed Log 5V+ 3: Depth + 4: Depth Shield 5: Depth 6: GND T/S Log 7: Temperature REMOTE 1: Pink Ext. Switch 8: Pink/black dot Ext.
EQ33 Installation and service Chapter 9-7 9.5.1 Power supply connections The internal voltage regulator will allow the EQ33 to operate normally within the power supply voltage range from 10 to 32 V DC. The EQ33 is connected to external power (battery) by means of the supplied power/NMEA cable. Cable length is approximately 2 meters.
Chapter 9-8 EQ33 Installation and service shielding is maintained, that cable of adequate cross section is used, and that all connections are properly made and protected from the effects of the marine environment. If possible, running the transducer cable through a grounded conduit will greatly decrease the likelihood of interference. Likewise, the transducer cable should be run as far as possible from other electrical cabling.
EQ33 Installation and service Chapter 9-9 Airmar P52 Transom mount Frequency: 50/200 kHz Beam width: 45° / 15° Cable length: 10m (32’) Speed, temperature + depth information Reference no. 179-0401-001 Housing: Chemical resistant, high impact plastic alloy. Recommended for all type hulls.
Chapter 9-10 EQ33 Installation and service Airmar SS505 - Optional fairing Ref.no. 179-0401-011 Thru-hul stem mount Accommodates hull thickness: Min. no fairing 6 mm (1/4”), Max. with fairing 83 mm (3 1/4”) Frequency: 50/200 kHz Beam width: 45° / 15° Cable length: 10m (32’) Depth information. Ref.no. 179.0401.004 (B45) Housing: Bronze Recommended for fiberglass or wooden hulls only. Ref.no. 179.0401.008 (SS505) Housing: Stainless steel Recommended for any hull material.
EQ33 Installation and service Chapter 9-11 Airmar B744V Thru-hull triducer Frequency: 50/200 kHz Beam width: 45° / 15° Cable length: 10m (32’) Speed, temperature + depth information. Ref.no. 179-0401-009 (B744V) Housing: Bronze Recommended for fiberglass and wooden hulls. 9.6.
Chapter 9-12 EQ33 Installation and service which holds the transducer away from the hull and which directs the flow of aerated water around the sides of the transducer rather than over the face of the transducer. On deep keeled vessels, care must be taken to ensure that the transducer beam will not be blocked by any part of the keel.
EQ33 Installation and service Chapter 9-13 9.7 Preventive maintenance Surface cleaning – to keep the EQ33 cabinet and display screen clean, wipe the surfaces with a clean damp cloth. For heavier cleaning, use a clean, damp cloth which has been dipped in a solution of a mild dish detergent and water. Wring out firmly before wiping the unit. Never use cleaning solutions containing spirit or alcohol. Electrical connections – periodically check the electrical connections.
Chapter 9-14 EQ33 Installation and service 9.9 Troubleshooting For all fault finding, first check that the supply voltage is between 10-32 VDC Symptom No picture on display screen Check Remedy Check that the unit is turned on Check fuse in power cable fuse holder Press the [PWR] key on keypad Replace fuse. Use only type 4.
EQ33 Installation and service Chapter 9-15 9.10 Specifications General data Power supply: Power cable: Dimensions: Weight: Environment: Housing: Display: Presentation: Interfacing: Fuse: 12 and 24 V DC (10-32 V DC max) 8-16 watt Power/NMEA cable, 2 m (153-6070-002) H:144 mm (5.8”) W:252 mm (10”) D:70 mm (2.8”) 1.5 kg (3.0 lbs) -10 to +50°C, IEC 60945, waterproof USC 46 CFR and IP55 Casted aluminum back, polycarbonate front TFT color, power backlight: 5.7” 320x240 pixels, or .....
Chapter 9-16 EQ33 Installation and service Alternative 50/200 kHz medium-rang transducers (Airmar Des.A) B256: 1kW medium range transducer, 16x28° and 4x6° beams. B45: 600W bronze stem mount transducer, 45° and 15° beam. B744V: 600W bronze thru hull triducer, depth, speed and temperature, 45° and 15° beam. P52: 600W plastic transom mount triducer, depth, speed and temperature, 45° and 15° beam. P319: 600W plastic thru-hull transducer, 45° and 15° beam. ST650: Speed and temperature only.
EQ33 Glossary of terms Appendix A-1 Alarms – can be set to sound a “beep” if the echosounder detects a target above (shallower than) a minimum alarm depth or below (deeper than) a maximum alarm depth. The EQ33 allows you to set the alarm depths and to enable or disable both the minimum and maximum depth alarms. A-scope – a method of displaying the echosounder information.
Appendix A-2 EQ33 Glossary of terms ing the gain setting of the EQ33 will allow you to see smaller and deeper targets. If the gain is set too high, however, you will begin to see “noise” and unwanted targets. Generally speaking, you want to set the gain control just below the point that you begin to see speckles of “noise” between surface and the bottom on the screen. LOG speed calibration – the unit is preset to receive 19000 pulses per nautical mile from the log transducer (paddle wheel).
EQ33 Glossary of terms SHORT MEDIUM LONG Appendix A-3 less than 10m deep water between 10 and 50 m deep water more than 50m deep water A long pulse will reach deeper but give less resolution. Range – refers to the distance shown from the top to the bottom of the display screen. Selecting Auto range will cause the EQ33 to change the basic range setting(s) to keep the displayed bottom in the lower half of the display.
Appendix A-4 EQ33 Glossary of terms Transmit power – should normally be left on AUTOmatic. The modes available are: AUTO, 600W, 100W and 10W. TVG – Time Varying Gain – is a control that allows the EQ33 to make corrections for most of the losses and absorption that occurs as sound energy passes through sea water. There are three settings to choose from, Normal, Special and OFF.
EQ33 Echosounder Index Agents end of manual Alarms, - depth 5-9,A-1 - DSC 6-3 - fish 5-9 - speed 7-1 - XTE 4-1,A-4 Alphanumeric names 7-11 CE Declaration Configuration Contrast & light Course over ground - magnetic or true end of manual A-1 2-6 4-2 3-1 Daylight display Decca lanes - list of decca chains Depth in position display Depth & temperature diagram Display color Dual Station DS33, - installation - operation Echosounder features - A-scope - background color - bottom expansion - color threshold -
Index Installation - continued, - DS33 - Operation of DS33 - location for display unit - notes - sources of noise - transducers (optional) Interface setup, alarm output Interface setup, NMEA - default sentences - description of sentences - return to NMEA presets Interface software version Introduction Key functions -dedicated function keys Key symbols in manual Language Light & contrast Local time and date Log - reset - speed calibration - speed sensor Loran C - list of Loran C chains EQ33 Echosounder 9-5
Simrad Støvring AS Declaration of Conformity The EMC Directive, Article 10 (1) Undersigned are herewith declaring, that Product: SIMRAD EQ33 Echosounder is in accordance with the protection requirements in the EMC Directive 89/336/EØF of May 3rd, 1989 Employed harmonized standards: EN 60945:1993 / Amd.
Warranty SIMRAD warrants that every product shall be free of defects in material and workmanship as specified below: CATEGORY “A”: •Autopilots •Radars •Instruments •Navigators •Radiotelephones •Plotters •Gyro compasses incl. sensitive elements •Sonars •Echosounders •Trawl Instrumentation. These products are warranted for a period of 24 months on parts and 12 months on labor from date of purchase, except for category B items. Consumable parts such as lamps, fuses, batteries, bearings, etc.
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