Installation Instructions
Page 2
... contain the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this period, Garmin will not replace missing components from the original retailer is subject to installation errors, abuse, misuse, accident, or unauthorized alteration or repairs. Within this manual or any transportation cost. Products sold through...
... contain the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this period, Garmin will not replace missing components from the original retailer is subject to installation errors, abuse, misuse, accident, or unauthorized alteration or repairs. Within this manual or any transportation cost. Products sold through...
Installation Instructions
Page 3
..., including transmit frequency, range, and gain adjustments. The GSD 21 is a CANetTM compatible, remote sounder module designed to the operation of your Garmin dealer immediately. When used with compatible Garmin chartplotters, it provides full-featured depth sounder functions. Since mounting... Garmin Product Support for choosing the Garmin GSD 21. If any items are critical to include powerful features found at a given depth. Mounting Holes Power/Data Connector LED Status Indicator Transducer Connector GSD 21 Sonar Module 1 Proper transducer selection and installation ...
..., including transmit frequency, range, and gain adjustments. The GSD 21 is a CANetTM compatible, remote sounder module designed to the operation of your Garmin dealer immediately. When used with compatible Garmin chartplotters, it provides full-featured depth sounder functions. Since mounting... Garmin Product Support for choosing the Garmin GSD 21. If any items are critical to include powerful features found at a given depth. Mounting Holes Power/Data Connector LED Status Indicator Transducer Connector GSD 21 Sonar Module 1 Proper transducer selection and installation ...
Installation Instructions
Page 4
... mounting location using the chartplotter and GSD 21 on . NOTE: When using appropriate fasteners. 3. Check with your Garmin dealer. Mount the transducer according to secure the cable along the route and through your local marine dealer/installer if problems persist. Doing so might damage the GSD 21. 2 GSD 21 Sonar Module INSTALLATION INSTRUCTIONS INSTALLATION INSTRUCTIONS The GSD 21 must be drilled in liquids...
... mounting location using the chartplotter and GSD 21 on . NOTE: When using appropriate fasteners. 3. Check with your Garmin dealer. Mount the transducer according to secure the cable along the route and through your local marine dealer/installer if problems persist. Doing so might damage the GSD 21. 2 GSD 21 Sonar Module INSTALLATION INSTRUCTIONS INSTALLATION INSTRUCTIONS The GSD 21 must be drilled in liquids...
Installation Instructions
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...Black wire is reserved for future use a standard pair of the GSD 21 power/data cable up to 80 ft (24.38 m) total length using the CANet Connections Kit. 2. INSTALLATION INSTRUCTIONS 3 GSD 21 Sonar Module To Sounder Green White CANet Wiring for the Garmin GSD 21 CANet Terminator See the CANet Terminator Connection Diagram Below CANet Terminator GREEN... cable at the first display unit. When inserting a CANet unit on the CANet Extension Cable, reconnect all wires according to the chartplotter's installation instructions for wiring the GPS 17 sensor and other devices. 5.
...Black wire is reserved for future use a standard pair of the GSD 21 power/data cable up to 80 ft (24.38 m) total length using the CANet Connections Kit. 2. INSTALLATION INSTRUCTIONS 3 GSD 21 Sonar Module To Sounder Green White CANet Wiring for the Garmin GSD 21 CANet Terminator See the CANet Terminator Connection Diagram Below CANet Terminator GREEN... cable at the first display unit. When inserting a CANet unit on the CANet Extension Cable, reconnect all wires according to the chartplotter's installation instructions for wiring the GPS 17 sensor and other devices. 5.
Installation Instructions
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... not ground the drain wire on the sonar unit. 3. INSTALLATION INSTRUCTIONS 4 Serial Wiring for the Garmin GSD 21 to the chartplotter's specific Installation Instructions for power. 2. You can extend the serial/power wiring of pliers and make sure ...the button is fully depressed into the connector. Use the CANet Extension Cable or 22 AWG, 4-conductor shielded cable for data connections and 18 AWG for wiring the GPS 17 sensor...
... not ground the drain wire on the sonar unit. 3. INSTALLATION INSTRUCTIONS 4 Serial Wiring for the Garmin GSD 21 to the chartplotter's specific Installation Instructions for power. 2. You can extend the serial/power wiring of pliers and make sure ...the button is fully depressed into the connector. Use the CANet Extension Cable or 22 AWG, 4-conductor shielded cable for data connections and 18 AWG for wiring the GPS 17 sensor...
Installation Instructions
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.... INSTALLATION INSTRUCTIONS 5 GSD 21 Sonar Module Serial Wiring for the Garmin GSD 21 to 100 ft (30 m) total length. Refer to the chartplotter's specific Installation Instructions for power. 2. Ground the drain wire at the display unit. Use the CANet Extension Cable or 22 AWG, 4-conductor shielded cable for data connections and 18 AWG for wiring the GPS 17 sensor...
.... INSTALLATION INSTRUCTIONS 5 GSD 21 Sonar Module Serial Wiring for the Garmin GSD 21 to 100 ft (30 m) total length. Refer to the chartplotter's specific Installation Instructions for power. 2. Ground the drain wire at the display unit. Use the CANet Extension Cable or 22 AWG, 4-conductor shielded cable for data connections and 18 AWG for wiring the GPS 17 sensor...
Installation Instructions
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...the Orange wire. 4. GSD 21 Sonar Module Do not ground the drain wire on or off when ground is applied or removed form the Red wire. The GSD 21 turns on . Option 2: If the Red (+) wire is fully depressed into the connector. INSTALLATION INSTRUCTIONS ON OFF 6 Serial Wiring for the Garmin GSD 21 to a power source, install a switch between the... SEE NOTE 3 ON OPTION 1 OFF WIRE COLOR RED FUSE 2A BLACK WHITE/BLUE WHITE/BROWN ORANGE BATTERY 10-35 VOLTS DC SEE NOTE 3 OPTION 2 GARMIN GSD 21 SOUNDER MODULE TO TRANSDUCER Notes: 1. Ground the drain wire at the display unit.
...the Orange wire. 4. GSD 21 Sonar Module Do not ground the drain wire on or off when ground is applied or removed form the Red wire. The GSD 21 turns on . Option 2: If the Red (+) wire is fully depressed into the connector. INSTALLATION INSTRUCTIONS ON OFF 6 Serial Wiring for the Garmin GSD 21 to a power source, install a switch between the... SEE NOTE 3 ON OPTION 1 OFF WIRE COLOR RED FUSE 2A BLACK WHITE/BLUE WHITE/BROWN ORANGE BATTERY 10-35 VOLTS DC SEE NOTE 3 OPTION 2 GARMIN GSD 21 SOUNDER MODULE TO TRANSDUCER Notes: 1. Ground the drain wire at the display unit.
Installation Instructions
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...INSTALLATION INSTRUCTIONS ON OFF FUSE 3A WIRE COLOR RED BLACK BLUE BROWN SEE NOTE 3 ON OPTION 1 OFF WIRE COLOR RED FUSE 2A BLACK WHITE/BLUE WHITE/BROWN ORANGE BATTERY 10-33 VOLTS DC SEE NOTE 3 OPTION 2 GARMIN GSD 21 SOUNDER MODULE TO TRANSDUCER Notes: 1. Do not ground the drain wire on the sonar... unit. 3. Ground the drain wire at the display unit. GSD 21 Sonar Module Serial Wiring for the Garmin GSD 21 to power on.
...INSTALLATION INSTRUCTIONS ON OFF FUSE 3A WIRE COLOR RED BLACK BLUE BROWN SEE NOTE 3 ON OPTION 1 OFF WIRE COLOR RED FUSE 2A BLACK WHITE/BLUE WHITE/BROWN ORANGE BATTERY 10-33 VOLTS DC SEE NOTE 3 OPTION 2 GARMIN GSD 21 SOUNDER MODULE TO TRANSDUCER Notes: 1. Do not ground the drain wire on the sonar... unit. 3. Ground the drain wire at the display unit. GSD 21 Sonar Module Serial Wiring for the Garmin GSD 21 to power on.
Installation Instructions
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... wiring the GPS 17 sensor and other devices. 4. You can extend the serial/power wiring of pliers and make sure the button is fully depressed into the connector. Ground the drain wire at the display unit. Do not ground the drain wire on the sonar unit. 3. GSD 21 Sonar Module Refer... GSD 21 power/data cable up to a Single GPSMAP 172/172C FUSE 2A WIRE COLOR RED BLACK BLUE BROWN ORANGE WIRE COLOR RED FUSE 2A BLACK WHITE/BLUE WHITE/BROWN ORANGE GARMIN GSD 21 SOUNDER MODULE TO TRANSDUCER BATTERY 10-35 VOLTS DC Notes: 1. INSTALLATION INSTRUCTIONS 8 Serial Wiring for the Garmin GSD 21 ...
... wiring the GPS 17 sensor and other devices. 4. You can extend the serial/power wiring of pliers and make sure the button is fully depressed into the connector. Ground the drain wire at the display unit. Do not ground the drain wire on the sonar unit. 3. GSD 21 Sonar Module Refer... GSD 21 power/data cable up to a Single GPSMAP 172/172C FUSE 2A WIRE COLOR RED BLACK BLUE BROWN ORANGE WIRE COLOR RED FUSE 2A BLACK WHITE/BLUE WHITE/BROWN ORANGE GARMIN GSD 21 SOUNDER MODULE TO TRANSDUCER BATTERY 10-35 VOLTS DC Notes: 1. INSTALLATION INSTRUCTIONS 8 Serial Wiring for the Garmin GSD 21 ...
Installation Instructions
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... indicating the type of the module. GSD 21 Sonar Module 9 Call Garmin Product Support. System alarm. INSTALLATION INSTRUCTIONS Blink Codes When the unit is installed, it switches on when the display unit is powered on (or the GSD remote power line is connected and this state, the GSD 21 does not transmit any sonar information to clear the error. The two...
... indicating the type of the module. GSD 21 Sonar Module 9 Call Garmin Product Support. System alarm. INSTALLATION INSTRUCTIONS Blink Codes When the unit is installed, it switches on when the display unit is powered on (or the GSD remote power line is connected and this state, the GSD 21 does not transmit any sonar information to clear the error. The two...
Installation Instructions
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...: Proprietary Garmin data format over CANet or Serial 10 GSD 21 Sonar Module Fuse: AGC/3AG - 2.0 Amp Steering Compass Safe Distance: 3.95" (10.00 cm) Sonar Sounder Power: 500 watts (RMS) dual frequency, 400 watts (RMS) dual beam 4,000 watts (peak to 70°C) Electrical Source: 10-35 Vdc Usage: 18 watts max. INSTALLATION INSTRUCTIONS SPECIFICATIONS...
...: Proprietary Garmin data format over CANet or Serial 10 GSD 21 Sonar Module Fuse: AGC/3AG - 2.0 Amp Steering Compass Safe Distance: 3.95" (10.00 cm) Sonar Sounder Power: 500 watts (RMS) dual frequency, 400 watts (RMS) dual beam 4,000 watts (peak to 70°C) Electrical Source: 10-35 Vdc Usage: 18 watts max. INSTALLATION INSTRUCTIONS SPECIFICATIONS...