8ReferenceSetting the Screen ContrastBefore you begin using the eMap, you may want toadjust the contrast setting for best viewing of the displayscreenTo Set the Screen Contrast:1. Press and hold the BACKLIGHT/CONTRAST Keyon the side of the unit until the Contrast Adjustmentwindow appears.2. Press the LEFT or RIGHT side of the ROCKERkeypad to adjust the level of contrast. Left to lightenand Right to darken. Press the ENTER key to savethe setting.Using the Backlighting FeatureYou can set you eMap unit to backlight the screen foreasy viewing in dim and dark lighting conditions. Youcan select ‘Stays On’, or enable the automatic shut-offfeature to preserve battery life. Automatic shut-off timesfrom 15 seconds to 2 minutes (since last key press) areavailable. To program timing options, refer to the sectionon Setup Options.To turn the backlighting On and Off:1. Press and release the BACKLIGHT/CONTRAST key.If set for automatic timeout it will shut-off automati-cally at the set time after the last key press. Pressingany key will re-activate the backlight. If the timeoutis set for ‘Stays On’ it will not turn off. To turn thebacklighting Off without waiting for the timeout,press the BACKLIGHT/CONTRAST key again.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. (Refer to theillustration to the left.)To adjust the screen contrast,use the LEFT or RIGHTRocker keys to move thecontrast adjustment slider.Use the UP or DOWNRocker keys to move theBacklighting lever up for ONor down for OFF.ContrastSettingsBacklighting