Installation Instructions
Page 9
... first time, press and hold the POWER key until the chartplotter beeps and turns on the back of your boat in the diagrams, but every possible connector type is necessary to carry the 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, and 545 ➋➊ ➊ Wiring harness ➋ NMEA 2000 ➌ External GPS antenna (sold separately...
... first time, press and hold the POWER key until the chartplotter beeps and turns on the back of your boat in the diagrams, but every possible connector type is necessary to carry the 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, and 545 ➋➊ ➊ Wiring harness ➋ NMEA 2000 ➌ External GPS antenna (sold separately...