9Getting StartedThe eMap Beeper produces three types of signals.Single Beep - Indicates that a key has been pressed.Two Beeps - Indicate that a message has beendisplayed with information about unit operation.Multiple Beeps - Indicate an incorrect key press.Refer to ‘Beeper’ on page 32 for detailed information.What Beeper Tones MeanSetting the Screen ContrastYou may adjust the contrast setting for best viewing of thedisplay screen.To Set the Screen Contrast:1. Press and hold the BACKLIGHT/CONTRAST keyon the side of the unit until the Backlight/Contrastpage appears.2. Press the LEFT or RIGHT side of the ROCKERkeypad to adjust the level of contrast, (Left tolighten and Right to darken). Press the ENTER keyto save.Using the Backlighting FeatureYou may turn on the screen backlighting for easy viewing indim and dark lighting conditions. The backlight is set at thefactory to turn Off after 15 seconds to extend battery life. Toselect from shut-off time options, refer to the section on SetupOptions.To turn the backlighting On and Off:1. Press and release the BACKLIGHT/CONTRAST keyto toggle the backlight ON and OFF.2. You can also turn the backlight function ON or OFFby pressing and holding the BACKLIGHT/CONTRAST key until the ‘Backlight/Contrast’window appears. Then, press the ROCKER keypadUP for ON or DOWN for OFF.If set for automatic time-out, it will shut-off automaticallyafter the last key press. Pressing any key will reactivate thebacklight. If the timeout is set for ‘Stays On’ it will not turn off.Extended use of backlight will significantly reduce battery life.Setting the Correct TimeIf the time displayed in the ‘Time’ field of the Map Page isnot the correct time for your Time Zone, you will need to setthe time. Refer to ‘Time Settings’ on page 32.To adjust the screen contrast,use the LEFT or RIGHTROCKER keys to move thecontrast adjustment lever.Use the UP or DOWNRocker keys to move theBacklighting switch up for ONor down for OFF.ContrastSettingsBacklightingBeeper TonesSetting the Time