Installation Instructions
Page 9
... key until the chartplotter beeps and turns on the back of the water. Using the ROCKER and the SELECT keys, follow the screens 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...
... key until the chartplotter beeps and turns on the back of the water. Using the ROCKER and the SELECT keys, follow the screens 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...