Owner's Manual
Page 3
Introduction This manual includes information for the following products: GPSMAP® 421/421s GPSMAP 521/521s GPSMAP 551/551s GPSMAP 451/451s GPSMAP 526/526s GPSMAP 556/556s Tips and Shortcuts • Press HOME from any screen to return to the Home screen. • Press MENU ... the screen using the Rocker, and press the SELECT key after each item. They indicate that you should highlight Charts, and press SELECT. GPSMAP 400/500 Series Owner's Manual Introduction Quick Links • Turning the Unit On or Off: page 2. • Acquiring GPS Satellite Signals: page 5. •...
Introduction This manual includes information for the following products: GPSMAP® 421/421s GPSMAP 521/521s GPSMAP 551/551s GPSMAP 451/451s GPSMAP 526/526s GPSMAP 556/556s Tips and Shortcuts • Press HOME from any screen to return to the Home screen. • Press MENU ... the screen using the Rocker, and press the SELECT key after each item. They indicate that you should highlight Charts, and press SELECT. GPSMAP 400/500 Series Owner's Manual Introduction Quick Links • Turning the Unit On or Off: page 2. • Acquiring GPS Satellite Signals: page 5. •...
Owner's Manual
Page 7
Unit Overview GPSMAP 526/556 Getting Started NMEA 2000® Power/Data External GPS antenna GPSMAP 421/451/ 521/551 Power/Data NMEA 2000® GPSMAP 400/500 Series Owner's Manual External GPS antenna Getting Started POWER/ BACKLIGHT RANGE (-/+) ROCKER MARK SELECT MENU HOME SD card slot GPSMAP 526 shown
Unit Overview GPSMAP 526/556 Getting Started NMEA 2000® Power/Data External GPS antenna GPSMAP 421/451/ 521/551 Power/Data NMEA 2000® GPSMAP 400/500 Series Owner's Manual External GPS antenna Getting Started POWER/ BACKLIGHT RANGE (-/+) ROCKER MARK SELECT MENU HOME SD card slot GPSMAP 526 shown
Owner's Manual
Page 13
... a view from above and behind the boat (according to view map information, and as a three-dimensional navigation aid. GPSMAP 400/500 Series Owner's Manual Using Charts • Mariner's Eye 3D-provides a view from the Home screen, select Charts > Navigation Chart. Fishing charts... are using a GPSMAP 421, 521, or 526 (including "s" models), you use a BlueChart g2 Vision SD card or if your preloaded maps, including buoys...
... a view from above and behind the boat (according to view map information, and as a three-dimensional navigation aid. GPSMAP 400/500 Series Owner's Manual Using Charts • Mariner's Eye 3D-provides a view from the Home screen, select Charts > Navigation Chart. Fishing charts... are using a GPSMAP 421, 521, or 526 (including "s" models), you use a BlueChart g2 Vision SD card or if your preloaded maps, including buoys...
Owner's Manual
Page 62
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 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.
Owner's Manual
Page 72
...: 5.0 in . (75 cm) Performance Receiver: High-sensitivity, 14 parallel channel, WAAS-capable receiver: GPSMAP 421/421s GPSMAP 451/451s GPSMAP 521/521s GPSMAP 551/551s High-sensitivity, 12 parallel channel, WAAS-capable receiver: GPSMAP 526/526s GPSMAP 556/556s 66 GPSMAP 400/500 Series Owner's Manual Case: Fully gasketed, high-impact plastic alloy, waterproof to 55ºC) Compass-Safe Distances...
...: 5.0 in . (75 cm) Performance Receiver: High-sensitivity, 14 parallel channel, WAAS-capable receiver: GPSMAP 421/421s GPSMAP 451/451s GPSMAP 521/521s GPSMAP 551/551s High-sensitivity, 12 parallel channel, WAAS-capable receiver: GPSMAP 526/526s GPSMAP 556/556s 66 GPSMAP 400/500 Series Owner's Manual Case: Fully gasketed, high-impact plastic alloy, waterproof to 55ºC) Compass-Safe Distances...
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:
Owner's Manual
Page 78
... in Garmin. Software License Agreement BY USING THE UNIT, YOU AGREE TO BE BOUND BY THE TERMS AND CONDITIONS OF THE FOLLOWING SOFTWARE LICENSE AGREEMENT. You acknowledge that the Software in a fuel-efficient mode and engine RPM is displayed. GPSMAP 421/421s GPSMAP 451/451s GPSMAP 551/551s GPSMAP 521/521s GPSMAP 526/526s GPSMAP 556...the Software to use the software embedded in this device (the "Software") in binary executable form in the normal operation of America. 72 GPSMAP 400/500 Series Owner's Manual Garmin grants you a limited license to any derivative works based on the boat.
... in Garmin. Software License Agreement BY USING THE UNIT, YOU AGREE TO BE BOUND BY THE TERMS AND CONDITIONS OF THE FOLLOWING SOFTWARE LICENSE AGREEMENT. You acknowledge that the Software in a fuel-efficient mode and engine RPM is displayed. GPSMAP 421/421s GPSMAP 451/451s GPSMAP 551/551s GPSMAP 521/521s GPSMAP 526/526s GPSMAP 556...the Software to use the software embedded in this device (the "Software") in binary executable form in the normal operation of America. 72 GPSMAP 400/500 Series Owner's Manual Garmin grants you a limited license to any derivative works based on the boat.