eXplorist 100 GPS Receiver 4Installing the BatteriesThe eXplorist 100 uses two AA batteriesthat are installed as shown in theaccompanying diagram. Be sure toobserve the proper polarity wheninstalling the batteries.Under normal operating conditions youcan expect to get more than 14 hours ofbattery life when using fresh batteries.Tips on conserving battery life:•Turn the eXplorist off when not in use. Whether you are moving or standing still, theeXplorist is constantly calculating position fixes and using power at the same rate. Ifyou are going to be at the same position for any length of time, turn the eXplorist off.•Use the Power Timer to automatically turn the eXplorist off. The Power Timer optionallows you to set a time that the eXplorist will automatically turn off when none ofthe buttons have been pressed and you are not moving for a selected time. You canselect from 5, 10, 30 or 60 minutes.•Use the display backlight sparingly. The most severe drain on the batteries is theuse of the display backlight. You will notice a drastic drop in battery life with thebacklight display on continuously. You should use the Light Timer to set a timeinterval that the display backlight will automatically turn off when none of thebuttons have been pressed.Setting the Power TimerFrom anyNav screen press MENU. Highlight Preferences and press ENTER. HighlightPwr Management and press ENTER twice. Use the arrow joystick to select 5 Minutes, 10Minutes, 30 Minutes, 60 Minutes or Off. Press ENTER. Press NAV to return to the lastviewed navigation screen.Setting the Light TimerFrom anyNav screen press MENU. Highlight Preferences and press ENTER. HighlightPwr Management and press ENTER. Use the down arrow to highlight the Light Timer field.Press ENTER. Use the arrow joystick to select 30 Seconds, 1 Minute, 2 Minutes, 4Minutes, 10 Minutes or Timer Off. Press ENTER. Press NAV to return to the last viewednavigation screen.