11-9restored by pressing any key). This feature will help you conserve batterypower.To set the backlighting timeout...· Move the cursor over the light timeout select field, press the CLR keyto select the desired timeout delay. You may select 30 seconds, 60seconds, 120 seconds, or “NONE” (which means the backlighting willnever turn off while the unit is operating).· Move the cursor over “OK?” and press the ENT key.The GPS 100 display contrast may be adjusted to suit your viewing angleneeds.To change the display contrast...· Move the cursor over “CHANGE CONTRAST?” and press the ENTkey. The page will change as illustrated below.· Press the right or left arrow key to adjust the contrast.· Press the ENT key to confirm the contrast changes.11.6 NAVIGATION DISPLAY UNITSPositionDistance/Speed Altitude/Vertical SpeedPressure TemperatureUNITS PAGEThe GPS 100 allows you to select position, distance, speed, and altitudeunits that best suit your needs. In addition, aviation users may select