Marine GPS System User Manual

14-2
A battery installed on a circuit board inside display unit preserves data when the power is turned
off. The life of the battery is about three years. When the battery voltage is low the battery icon
appears on the display. When this happens, contact your dealer to request replacement of
the battery.
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14.3 Simple Troubleshooting
Below are simple troubleshooting procedures which the user can follow to restore normal op-
eration.
Table 14-2 Simple troubleshooting
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Note: Before replacing a
battery, save data into a
memory card. (See page
14-6.)