Timers SettingsUser Timer lets you select a count up or count down timer. For a count down timer youmay also specify the count down duration.To select a user timer setting:1. For a count down timer, highlight the ‘User Timer’ field in the right-hand column, press ENTER andenter the count duration using the rocker keypad. Press ENTER to accept., then—with the left-handcolumn highlighted—press ENTER to view the User Timer options. Select ‘Down’ and press ENTER.2. For a count up timer, highlight the ‘User Timer’ field in the left-hand column, press ENTER andselect ‘Up’. Press ENTER to confirm.3. To reset the timer or turn the timer off, highlight the ‘User Timer’ field in the left-hand column,press ENTER and select ‘Reset’ or ‘Off’ (as appropriate). Press ENTER to confirm.Battery Timer provides a running count of how long the GPS III has been in operationwith the current batteries. The timer automatically stops when using an external powersource. The timer will automatically reset when depleted batteries are replaced, but canalso be manually reset.To select a battery timer setting:1. Highlight the ‘Battery Timer’ field in the left-hand column and press ENTER.2. Select ‘Off’, ‘On’ or ‘Reset’ (as appropriate) and press ENTER.Since Midnight provides a running count of how long the GPS III has been in operationsince midnight of the current day.Since Factory Reset provides a running count of total GPS III operating time since thereceiver was shipped from the factory.The ‘User Timer’ option pro-vides both count up and countdown timers.The battery timer will auto-matically reset when depletedbatteries are replaced with afresh set.71REFERENCESetup Menu: Timers