Garmin GVN 53 Owner's Manual page 42

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Turning Safe Mode Off and On
Press Menu three times. Then select
Mode. When Safe Mode is turned on and the vehicle
is moving, Safe Mode disables all navigation system
functions that require significant operator attention and
could become a distraction while driving.
Changing the Coordinates Settings
Press Menu three times. Then select
Coordinates.
position Format—change the appearance of your
coordinates. Your current position is viewed on the GPS
in the form of coordinates. Because different maps and
charts use different position formats, you can choose the
correct coordinate system for the type of map you are
using.
3
Map Datum—select the map datum to be used by your
GVN 53. If you are navigating and comparing the GPS
General > Safe
coordinates to a map, chart, or other reference, set the
map datum in your GVN 53 to the same datum as the
map to ensure the most accurate navigation.
Setting Audio Mute Polarity
Press
Mute
General >
your GVN 53 plays navigation prompts. Select
High, depending on your radio configuration. See your
radio's instruction manual for more information.
Menu
three times. Then select
polarity. This is used for muting your radio when
notE: This setting is used only on radios that can
switch to Aux audio based on an external signal.
General Audio
>
Low
or
GVN 53 Owner's Manual