Owner's Manual
Page 3
...and release the Power key to adjust the display settings. Quick Links • Turning the Unit On or Off: page 3. • Acquiring GPS Satellite Signals: page 5. • Inserting and Removing SD Cards: page 6. • Restoring Factory Settings: page 6. • Using the ...appear in the text. Introduction This manual includes information for the following products: GPSMAP® 420/420s GPSMAP 421/421s GPSMAP 520/520s GPSMAP 521/521s GPSMAP 550/550s GPSMAP 551/551s GPSMAP 450/450s GPSMAP 451/451s GPSMAP 525/525s GPSMAP 526/526s GPSMAP 555/555s GPSMAP 556/556s Tips and Shortcuts •...
...and release the Power key to adjust the display settings. Quick Links • Turning the Unit On or Off: page 3. • Acquiring GPS Satellite Signals: page 5. • Inserting and Removing SD Cards: page 6. • Restoring Factory Settings: page 6. • Using the ...appear in the text. Introduction This manual includes information for the following products: GPSMAP® 420/420s GPSMAP 421/421s GPSMAP 520/520s GPSMAP 521/521s GPSMAP 550/550s GPSMAP 551/551s GPSMAP 450/450s GPSMAP 451/451s GPSMAP 525/525s GPSMAP 526/526s GPSMAP 555/555s GPSMAP 556/556s Tips and Shortcuts •...
Owner's Manual
Page 10
...your boat. Adjusting the Backlight 1. To allow the unit to calibrate it now. Select Backlight. To switch between modes. GPSMAP 400/500 Series Owner's Manual Getting Started Minimum Safe Depth-select the minimum safe depth for your boat (page 44). AIS Alarm Time To-select the ...an alarm will ask if you are receiving NMEA sonar depth data. Press and release the Power key. 2. Minimum Overhead Clearance-select the minimum overhead clearance for more information. Press and release the Power key. 2. Press left or right on the GPSMAP 525, 526, 555, and 556). Refer...
...your boat. Adjusting the Backlight 1. To allow the unit to calibrate it now. Select Backlight. To switch between modes. GPSMAP 400/500 Series Owner's Manual Getting Started Minimum Safe Depth-select the minimum safe depth for your boat (page 44). AIS Alarm Time To-select the ...an alarm will ask if you are receiving NMEA sonar depth data. Press and release the Power key. 2. Minimum Overhead Clearance-select the minimum overhead clearance for more information. Press and release the Power key. 2. Press left or right on the GPSMAP 525, 526, 555, and 556). Refer...
Owner's Manual
Page 14
Note: If you are available when using a GPSMAP 420/421/520/521/525/526 (including "s" models), you must insert an optional BlueChart g2 Vision preprogrammed SD card to view detailed Navigation and Mariner's Eye charts. This chart works well for either the USA shoreline or a specific country...bottom contours and without navigational data. To access a Navigation chart, from the Home screen, select Charts > Navigation Chart. GPSMAP 400/500 Series Owner's Manual Using Charts Using Charts Your chartplotter has a worldwide map, and a built-in detailed map of US inland lakes, or ...
Note: If you are available when using a GPSMAP 420/421/520/521/525/526 (including "s" models), you must insert an optional BlueChart g2 Vision preprogrammed SD card to view detailed Navigation and Mariner's Eye charts. This chart works well for either the USA shoreline or a specific country...bottom contours and without navigational data. To access a Navigation chart, from the Home screen, select Charts > Navigation Chart. GPSMAP 400/500 Series Owner's Manual Using Charts Using Charts Your chartplotter has a worldwide map, and a built-in detailed map of US inland lakes, or ...
Owner's Manual
Page 46
...wide, from the Home screen, select Configure > Communications. To enable or disable NMEA 0183 output sentences: 1. GPSMAP 400/500 Series Owner's Manual Serial Port 2 (if supported)-configures the input/output format for serial port 2 to use when connecting your chartplotter...other Garmin devices. • Garmin Data Transfer-supports the input or output of Garmin-proprietary data for communicating with Garmin software. • Garmin Remote Sonar Transfer (GPSMAP 40 420/450/520/550/525/555)-supports the input or output of Garmin-proprietary sonar data for most AIS receivers. ...
...wide, from the Home screen, select Configure > Communications. To enable or disable NMEA 0183 output sentences: 1. GPSMAP 400/500 Series Owner's Manual Serial Port 2 (if supported)-configures the input/output format for serial port 2 to use when connecting your chartplotter...other Garmin devices. • Garmin Data Transfer-supports the input or output of Garmin-proprietary data for communicating with Garmin software. • Garmin Remote Sonar Transfer (GPSMAP 40 420/450/520/550/525/555)-supports the input or output of Garmin-proprietary sonar data for most AIS receivers. ...
Owner's Manual
Page 47
...when you are within a specified distance or time from the Home screen, select Configure > Alarms > Navigation. GPSMAP 400/500 Series Owner's Manual Configuring the Chartplotter 4. Specify alarm information. Arrival-set the number of minutes before arrival that the alarm should ...sound. If a NMEA 2000 device has configuration options or settings, select the device for a list of options. Note: Only the GPSMAP 420/450/520/550/525...
...when you are within a specified distance or time from the Home screen, select Configure > Alarms > Navigation. GPSMAP 400/500 Series Owner's Manual Configuring the Chartplotter 4. Specify alarm information. Arrival-set the number of minutes before arrival that the alarm should ...sound. If a NMEA 2000 device has configuration options or settings, select the device for a list of options. Note: Only the GPSMAP 420/450/520/550/525...
Owner's Manual
Page 51
Using Sonar When connected to a transducer, the following chartplotters can be used as fishfinders: GPSMAP 420s GPSMAP 421s GPSMAP 520s GPSMAP 521s GPSMAP 550s GPSMAP 551s GPSMAP 450s GPSMAP 451s GPSMAP 525s GPSMAP 526s GPSMAP 555s GPSMAP 556s Understanding the Full Screen Select the Full Screen option to view a full-screen graph of the transducer's sonar readings. Depth Temperature Speed Suspended targets Transducer frequency Full Screen Using Sonar Range GPSMAP 400/500 Series Owner's Manual 45 From the Home screen, select Sonar > Full Screen.
Using Sonar When connected to a transducer, the following chartplotters can be used as fishfinders: GPSMAP 420s GPSMAP 421s GPSMAP 520s GPSMAP 521s GPSMAP 550s GPSMAP 551s GPSMAP 450s GPSMAP 451s GPSMAP 525s GPSMAP 526s GPSMAP 555s GPSMAP 556s Understanding the Full Screen Select the Full Screen option to view a full-screen graph of the transducer's sonar readings. Depth Temperature Speed Suspended targets Transducer frequency Full Screen Using Sonar Range GPSMAP 400/500 Series Owner's Manual 45 From the Home screen, select Sonar > Full Screen.
Owner's Manual
Page 61
... 12 parallel channel WAAS-capable receiver: GPSMAP 420/420s GPSMAP 520/520s GPSMAP 550/550s GPSMAP 450/450s GPSMAP 525/525s GPSMAP 555/555s 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 GPSMAP 400/500 Series Owner's Manual 55 Case: Fully gasketed, high...
... 12 parallel channel WAAS-capable receiver: GPSMAP 420/420s GPSMAP 520/520s GPSMAP 550/550s GPSMAP 450/450s GPSMAP 525/525s GPSMAP 555/555s 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 GPSMAP 400/500 Series Owner's Manual 55 Case: Fully gasketed, high...
Owner's Manual
Page 62
...: once per second GPS Accuracy: Position: Appendix Acquisition Times: (Average acquisition times for a stationary receiver with a clear view of the sky) GPSMAP 420/420s GPSMAP 520/520s GPSMAP 526/526s GPSMAP 550/550s GPSMAP 450/450s GPSMAP 525/525s GPSMAP 556/556s GPSMAP 555/555s Warm*: Approximately 15 seconds Cold**: Approximately 45 seconds GPSMAP 421/421s GPSMAP 451/451s GPSMAP 521/521s GPSMAP 551/551s Warm...
...: once per second GPS Accuracy: Position: Appendix Acquisition Times: (Average acquisition times for a stationary receiver with a clear view of the sky) GPSMAP 420/420s GPSMAP 520/520s GPSMAP 526/526s GPSMAP 550/550s GPSMAP 450/450s GPSMAP 525/525s GPSMAP 556/556s GPSMAP 555/555s Warm*: Approximately 15 seconds Cold**: Approximately 45 seconds GPSMAP 421/421s GPSMAP 451/451s GPSMAP 521/521s GPSMAP 551/551s Warm...
Owner's Manual
Page 63
.... When a message appears, press MENU to peak)*; Accuracy Alarm-the GPS accuracy has fallen outside of the specified distance range. Decrease the input ...(1 kW), 1,500 ft. (457 m)** *1 kW transducers are supported by the GPSMAP 525s/526s/ 555s/556s units only. **Depth capacity is crimped, broken, or contacting ...salinity, bottom type, and other water conditions. GPSMAP 400/500 Series Owner's Manual Appendix Antenna Input is Shorted-a part of the... Battery Alarm setup is not moving fast enough for your dealer or Garmin Product Support if the problem persists. Sonar Power: 1 kW Transducer,...
.... When a message appears, press MENU to peak)*; Accuracy Alarm-the GPS accuracy has fallen outside of the specified distance range. Decrease the input ...(1 kW), 1,500 ft. (457 m)** *1 kW transducers are supported by the GPSMAP 525s/526s/ 555s/556s units only. **Depth capacity is crimped, broken, or contacting ...salinity, bottom type, and other water conditions. GPSMAP 400/500 Series Owner's Manual Appendix Antenna Input is Shorted-a part of the... Battery Alarm setup is not moving fast enough for your dealer or Garmin Product Support if the problem persists. Sonar Power: 1 kW Transducer,...