Installation Instructions
Page 9
... sonar signal from the sounder, the transducer must be used for all installations. ➋ ➌ ➌ ➊➎ GPSMAP 421, 441, and 451 ➌ ➊ GPSMAP 430x and 440x ➍ ➊ GPSMAP 420, 430, 431, 440, and 450 ➋ ➌ GPSMAP 530, 535, 540,...10122; ➊ Wiring harness ➋ NMEA 2000 ➌ External GPS antenna (sold separately) ➍ Compatible XM antenna with audio adapter (sold separately) ➎ Compatible XM antenna (sold separately) GPSMAP 521, 541, 551 GPSMAP 526, 536, 546, and 556 Testing the Installation To turn on...
... sonar signal from the sounder, the transducer must be used for all installations. ➋ ➌ ➌ ➊➎ GPSMAP 421, 441, and 451 ➌ ➊ GPSMAP 430x and 440x ➍ ➊ GPSMAP 420, 430, 431, 440, and 450 ➋ ➌ GPSMAP 530, 535, 540,...10122; ➊ Wiring harness ➋ NMEA 2000 ➌ External GPS antenna (sold separately) ➍ Compatible XM antenna with audio adapter (sold separately) ➎ Compatible XM antenna (sold separately) GPSMAP 521, 541, 551 GPSMAP 526, 536, 546, and 556 Testing the Installation To turn on...
Owner's Manual
Page 52
...work. The unit must be on for large fish only. 46 GPSMAP 400/500 Series Owner's Manual Fish-set an alarm to sound when the battery reaches a specified low voltage. Clock-set an alarm using a Garmin sounder module to configure sonar alarms. Shallow Water-set an alarm to... change the time or distance. Battery-set an alarm to sound when the unit detects a suspended target of minutes before arrival that the alarm should sound. Note: You must be receiving NMEA sonar depth data or using the system (GPS...
...work. The unit must be on for large fish only. 46 GPSMAP 400/500 Series Owner's Manual Fish-set an alarm to sound when the battery reaches a specified low voltage. Clock-set an alarm using a Garmin sounder module to configure sonar alarms. Shallow Water-set an alarm to... change the time or distance. Battery-set an alarm to sound when the unit detects a suspended target of minutes before arrival that the alarm should sound. Note: You must be receiving NMEA sonar depth data or using the system (GPS...