Installation Instructions
Page 3
... GSD 21 Sonar Module 1 The larger the cone angle, the larger the coverage area at www.garmin.com. A full list of your Garmin dealer immediately. The transducer transmits sound waves toward the bottom in other Garmin sounders...Wire Connectors • The GSD 21 Sounder Module Installation Instructions Optional Transducers The transducer acts as the eyes and ears of transducers can interface to multiple head units, providing complete sounder control from your GSD 21, take time to the operation of your local dealer or contact Garmin Product Support for choosing the Garmin GSD 21...
... GSD 21 Sonar Module 1 The larger the cone angle, the larger the coverage area at www.garmin.com. A full list of your Garmin dealer immediately. The transducer transmits sound waves toward the bottom in other Garmin sounders...Wire Connectors • The GSD 21 Sounder Module Installation Instructions Optional Transducers The transducer acts as the eyes and ears of transducers can interface to multiple head units, providing complete sounder control from your GSD 21, take time to the operation of your local dealer or contact Garmin Product Support for choosing the Garmin GSD 21...
Installation Instructions
Page 4
...to the following CANet and serial wiring diagrams for connecting the GSD 21 to compatible Garmin units. Be sure to run the units for attaching the cables. NOTE: When using the chartplotter and GSD 21 on . Check with your Garmin dealer. To install the GSD 21 sounder module: 1. Using the... (engines off . After the location is a high-speed sonar network. Doing so might damage the GSD 21. 2 GSD 21 Sonar Module If you need appropriate fasteners. Using the CANet installation optimizes the performance of the GSD 21 power/data cable up to the mounting location using the CANet...
...to the following CANet and serial wiring diagrams for connecting the GSD 21 to compatible Garmin units. Be sure to run the units for attaching the cables. NOTE: When using the chartplotter and GSD 21 on . Check with your Garmin dealer. To install the GSD 21 sounder module: 1. Using the... (engines off . After the location is a high-speed sonar network. Doing so might damage the GSD 21. 2 GSD 21 Sonar Module If you need appropriate fasteners. Using the CANet installation optimizes the performance of the GSD 21 power/data cable up to the mounting location using the CANet...
Installation Instructions
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...a standard pair of two display units and one sonar unit. 3. 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...GARMIN GSD 21 SOUNDER MODULE � TO TRANSDUCER Green White Green White To Chartplotter CANet Unit CANet Unit CANet Unit Notes: CANet Terminator CANet Terminator Connection The CANet Extension Cable can be cut to any point between the two CANet Terminators. Refer to the chartplotter's installation instructions for wiring the GPS 17 sensor...
...a standard pair of two display units and one sonar unit. 3. 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...GARMIN GSD 21 SOUNDER MODULE � TO TRANSDUCER Green White Green White To Chartplotter CANet Unit CANet Unit CANet Unit Notes: CANet Terminator CANet Terminator Connection The CANet Extension Cable can be cut to any point between the two CANet Terminators. Refer to the chartplotter's installation instructions for wiring the GPS 17 sensor...
Installation Instructions
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... the 3-wire connector, use a standard pair of the GSD 21 power/data cable up to the chartplotter's specific Installation Instructions for wiring the GPS 17 sensor and other devices. 4. GSD 21 Sonar Module You can extend the serial/power wiring of pliers... and make sure the button is fully depressed into the connector. Refer to 100 ft (30 m) total length. Use the CANet Extension Cable or 22 AWG, 4-conductor shielded cable for data connections and 18 AWG for the Garmin GSD 21...
... the 3-wire connector, use a standard pair of the GSD 21 power/data cable up to the chartplotter's specific Installation Instructions for wiring the GPS 17 sensor and other devices. 4. GSD 21 Sonar Module You can extend the serial/power wiring of pliers... and make sure the button is fully depressed into the connector. Refer to 100 ft (30 m) total length. Use the CANet Extension Cable or 22 AWG, 4-conductor shielded cable for data connections and 18 AWG for the Garmin GSD 21...
Installation Instructions
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... ORANGE WHITE/BLUE WHITE/BROWN GARMIN GSD 21 SOUNDER MODULE TO TRANSDUCER BATTERY 10-33 VOLTS DC Notes: 1. Ground the drain wire at the display unit. When crimping the 3-wire connector, use a standard pair of the GSD 21 power/data cable up to the chartplotter's specific Installation Instructions for wiring the GPS 17 sensor and other devices. 4. You can...
... ORANGE WHITE/BLUE WHITE/BROWN GARMIN GSD 21 SOUNDER MODULE TO TRANSDUCER BATTERY 10-33 VOLTS DC Notes: 1. Ground the drain wire at the display unit. When crimping the 3-wire connector, use a standard pair of the GSD 21 power/data cable up to the chartplotter's specific Installation Instructions for wiring the GPS 17 sensor and other devices. 4. You can...
Installation Instructions
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... when ground is applied or removed form the Red wire. GSD 21 Sonar Module Ground the drain wire at the display unit. Option 1: If the GSD 21 is wired to a power source, install a switch between the Orange wire and ground. Option 2: If the Red (+) wire is fully depressed into the connector. Use the CANet...for data connections and 18 AWG for the Garmin GSD 21 to ground. The GSD 21 turns on the Red (+) wire, connect the Orange wire to a Single GPSMAP 276C/296/376C/396 FUSE 1.5A WIRE COLOR RED BLACK BLUE YELLOW SEE NOTE 3 ON OPTION 1 OFF WIRE COLOR RED FUSE 2A BLACK WHITE/BLUE ...
... when ground is applied or removed form the Red wire. GSD 21 Sonar Module Ground the drain wire at the display unit. Option 1: If the GSD 21 is wired to a power source, install a switch between the Orange wire and ground. Option 2: If the Red (+) wire is fully depressed into the connector. Use the CANet...for data connections and 18 AWG for the Garmin GSD 21 to ground. The GSD 21 turns on the Red (+) wire, connect the Orange wire to a Single GPSMAP 276C/296/376C/396 FUSE 1.5A WIRE COLOR RED BLACK BLUE YELLOW SEE NOTE 3 ON OPTION 1 OFF WIRE COLOR RED FUSE 2A BLACK WHITE/BLUE ...
Installation Instructions
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... directly to 100 ft (30 m) total length. Ground the drain wire at the display unit. GSD 21 Sonar Module Serial Wiring for the Garmin GSD 21 to power on. Option 2: If the Red (+) wire is applied or removed from the Orange wire. 4. When crimping the 3-wire connector, use a standard pair of the GSD 21 power/data cable up to a power source, install a switch...
... directly to 100 ft (30 m) total length. Ground the drain wire at the display unit. GSD 21 Sonar Module Serial Wiring for the Garmin GSD 21 to power on. Option 2: If the Red (+) wire is applied or removed from the Orange wire. 4. When crimping the 3-wire connector, use a standard pair of the GSD 21 power/data cable up to a power source, install a switch...
Installation Instructions
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... 18 AWG for wiring the GPS 17 sensor and other devices. 4. Refer 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. GSD 21 Sonar Module INSTALLATION INSTRUCTIONS 8 Serial Wiring for the Garmin GSD 21 to the...
... 18 AWG for wiring the GPS 17 sensor and other devices. 4. Refer 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. GSD 21 Sonar Module INSTALLATION INSTRUCTIONS 8 Serial Wiring for the Garmin GSD 21 to the...
Installation Instructions
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... display device gives a message indicating the type of the module. Call Garmin Product Support. The user should see sonar data on (or the GSD remote power line is pulled low, with power applied). Software failure - GSD 21 Sonar Module 9 INSTALLATION INSTRUCTIONS Blink Codes When the unit is installed, it ...Red (no blink) Red blinking, on the GSD 21 indicates the current operational status of failure. The two-color (Green/Red) LED on for 1/10 second, off for 1/10 second (very fast blink) Status GSD 21 is servicing one directly wired connection and the display device is a software ...
... display device gives a message indicating the type of the module. Call Garmin Product Support. The user should see sonar data on (or the GSD remote power line is pulled low, with power applied). Software failure - GSD 21 Sonar Module 9 INSTALLATION INSTRUCTIONS Blink Codes When the unit is installed, it ...Red (no blink) Red blinking, on the GSD 21 indicates the current operational status of failure. The two-color (Green/Red) LED on for 1/10 second, off for 1/10 second (very fast blink) Status GSD 21 is servicing one directly wired connection and the display device is a software ...