Reference35Backlight Intensity —Specifies how strong the backlight appears. Set to a higher percentage for a brighterdisplay. Note that operating the backlight at a higher percentage uses up the battery power more quickly.Color Mode —Select between Daytime, Nighttime, Auto, or Custom for your viewing preferences. Daytimeshows a bright and lighter background. Nighttime shows a black background for less intensity in a darkenvironment, which provides easier viewing while driving at night. Auto allows your Quest to automati-cally switch between the two, depending on the time of day as well as the Quest’s calculation of sunrise andsunset. Custom allows you to create your own color scheme for a variety of objects on the Quest such aslabels, buttons, and text bars. View the example in the right-hand column of this page.To restore these items to their original settings, press the Quest MENU key while you are on the DisplaySetup page. Select Restore Settings from the Menu window that appears.Customizing the Overall System SetupYou can customize various system setup features on your Quest. Select System Setup from the Settingspage. The following items appear:GPS Mode — GPS can be set to Normal, WAAS (the unit becomes WAAS-enabled), Battery Saver (whichperiodically turns off the GPS receiver in order to save battery power), or GPS Off. See Understandingthe GPS Information Page, page 44, for more information on GPS. (Note: WAAS is a system of satellitesand ground stations that provide GPS signal corrections, giving you even better position accuracy. WAAScorrects for GPS signal errors caused by ionospheric disturbances, timing, and satellite orbit errors, and itprovides vital integrity information regarding the health of each GPS satellite.)Voice Guidance — This setting determines when the Quest “speaks.”• Automatic with Chime: The unit speaks guidance messages during route navigation such as “Drivepoint eight miles west, then turn right.” It also gives status messages such as “Lost Satellite Recep-tion.” Each message is preceded with a chime. For each turn on a route, the voice gives instructionsthree times: after you have completed a turn and are starting a new leg of the route; as you areas you areapproaching the next new turn; and just before you reach the next turn.approaching the next new turn; and just before you reach the next turn.Customizing the Color ModeSelect anitem you’dlike tocustomize.Then, select‘Change.’A color gridappears.Place themap pointerover yourdesired colorand thenpress OK.The newcolor appearsfor the itemyou selected.Select ‘SaveColors’ tokeep thecustomiza-tion.