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GPSMAP 2106/2110 Owner’s Manual 59
MAIN MENU > SYSTEM TAB
• Beeper—controls the audible beep. Select Off, Alarms Only (sounds for
alarms/messages), or Key and Alarm (sounds for key presses and
alarms/messages).
• Language—sets the language for the unit’s on-screen text.
The following soft keys are available:
• System Info—shows the unit’s software, basemap version, and electronic
serial number.
• Update Notes—shows software notes for the current software version.
• Factory Dflts—restores all settings to Garmin’s original setup values for
all devices on the network.
To adjust the automatic backlight settings:
1. Highlight the Automatic Backlight field, and press ENTER.
2. Using the ROCKER, highlight On, and press ENTER.
3. Highlight the Setup button, and press ENTER to open the Adjust Backlight
window.
4. To adjust the backlight levels For Day and For Night, highlight the
corresponding slider, and press ENTER.
Sliders
5. Press up or down on the ROCKER to increase or decrease the backlight
level, and press ENTER.
6. To adjust the offset minutes, select the minutes field, and press ENTER.
7. Enter the offset minutes for Before Sunrise or After Sunset. If zero, the
unit automatically changes to the specified level at sunrise/sunset. Press
QUIT to exit.
Units Sub Tab
Use the Units sub tab to define settings for Position Format, Depth, Map Datum,
Temperature, Distance, Speed, and Elevation, Pressure, and Heading.
WARNING: The Units sub tab settings affect how navigation information
appears on the GPSMAP 2106/2110. If you are using a map or chart with your
GPS, make sure the settings on the Units sub tab match that of the map or
chart. This information should be shown somewhere on the map or chart. If
not, contact the map or chart maker to determine what position format, datum,
heading, and units of measure are used for the map or chart.