Installation Instructions
Page 1
... 2). 3. Install the transducer, if applicable (page 3). 4. Test the installation (page 9). Warning: Always wear safety goggles, ear protection, and a dust mask when drilling, cutting, or sanding. Chartplotter GPSMAP 420/430/430x/440/440x/450 GPSMAP 520/525/530/535/540/545/550/555 GPSMAP 421/441/451 GPSMAP 431/531 GPSMAP 521/526/536/541/...546/551/556 NMEA 2000 No No Yes No Yes NMEA 0183 Yes Yes Yes Yes Yes Garmin CANet Yes Yes No No...
... 2). 3. Install the transducer, if applicable (page 3). 4. Test the installation (page 9). Warning: Always wear safety goggles, ear protection, and a dust mask when drilling, cutting, or sanding. Chartplotter GPSMAP 420/430/430x/440/440x/450 GPSMAP 520/525/530/535/540/545/550/555 GPSMAP 421/441/451 GPSMAP 431/531 GPSMAP 521/526/536/541/...546/551/556 NMEA 2000 No No Yes No Yes NMEA 0183 Yes Yes Yes Yes Yes Garmin CANet Yes Yes No No...
Installation Instructions
Page 9
... the water 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...
... the water 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...
Installation Instructions
Page 10
... (10.6 cm), QVGA display with a clear view of the transducer, make the adjustments in . (95 cm) Performance Receiver: GPSMAP 420/430/440/450 (s) GPSMAP 520/530/540/550/525/535/545/555 (s): Differential-ready 12 parallel channel WAAS-capable receiver GPSMAP 421/431/441/451 (s) GPSMAP 521/531/541/551 (s): High-sensitivity 14 parallel channel WAAS...
... (10.6 cm), QVGA display with a clear view of the transducer, make the adjustments in . (95 cm) Performance Receiver: GPSMAP 420/430/440/450 (s) GPSMAP 520/530/540/550/525/535/545/555 (s): Differential-ready 12 parallel channel WAAS-capable receiver GPSMAP 421/431/441/451 (s) GPSMAP 521/531/541/551 (s): High-sensitivity 14 parallel channel WAAS...
Owner's Manual
Page 62
Using Sonar Using Sonar When connected to a transducer, the following chartplotters can be used as fishfinders: GPSMAP 421s GPSMAP 451s GPSMAP 521s GPSMAP 526s GPSMAP 551s GPSMAP 556s Understanding the Full Screen Select the Full Screen option to view a full-screen graph of the transducer's sonar readings. From the Home screen, select Sonar > Full Screen. Depth Temperature Speed Suspended targets Transducer frequency Full Screen Range 56 GPSMAP 400/500 Series Owner's Manual
Using Sonar Using Sonar When connected to a transducer, the following chartplotters can be used as fishfinders: GPSMAP 421s GPSMAP 451s GPSMAP 521s GPSMAP 526s GPSMAP 551s GPSMAP 556s Understanding the Full Screen Select the Full Screen option to view a full-screen graph of the transducer's sonar readings. From the Home screen, select Sonar > Full Screen. Depth Temperature Speed Suspended targets Transducer frequency Full Screen Range 56 GPSMAP 400/500 Series Owner's Manual
Owner's Manual
Page 73
Acquisition Times: (Average acquisition times for a stationary receiver with a clear view of the sky) GPSMAP 421/421s GPSMAP 451/451s GPSMAP 521/521s GPSMAP 551/551s Warm*: Approximately 1 second Cold**: Approximately 38 seconds GPSMAP 526/526s GPSMAP 556/556s Warm*: Approximately 15 seconds Cold**: Approximately 45 seconds *Warm: your unit is at or near the last location where you recently acquired satellites. **Cold: your unit has moved by more than about 500 mi. (800 km) since it was turned off. Update Rate: once per second GPS Accuracy: Position:
Acquisition Times: (Average acquisition times for a stationary receiver with a clear view of the sky) GPSMAP 421/421s GPSMAP 451/451s GPSMAP 521/521s GPSMAP 551/551s Warm*: Approximately 1 second Cold**: Approximately 38 seconds GPSMAP 526/526s GPSMAP 556/556s Warm*: Approximately 15 seconds Cold**: Approximately 45 seconds *Warm: your unit is at or near the last location where you recently acquired satellites. **Cold: your unit has moved by more than about 500 mi. (800 km) since it was turned off. Update Rate: once per second GPS Accuracy: Position: