Installation and Operation Manual203-1 Manual / Auto Power on and offManual power onPress and hold until the display showsthe start up page. When the Warning screenappears, press to accept.Manual power offPress and hold for 5 seconds. A countertimer appears on the screen, if you releasethe button before the countdown timerreaches zero, the chart plotter will remain On.Auto powerIf the unit is wired for auto then:• The unit turns on automatically when youturn on the boat’s ignition.• You can not turn off the unit if the ignitionis turned on.• If Auto power off is set, the unit turns offautomatically when you turn off the boat’signition.• If Auto power off is set, the unit will not beturned off even though the boat’s ignition isturned off. To turn off, you need to turn offthe unit manually.3-2 Brightness, night mode and BackgroundYou can change the screen setting for thedisplay. To change settings, shortly press .BrightnessTo change the brightness, selectBrightness, and press to dim or tobrighten.Press to return to the previous screen.Night modeThe chart plotter has preprogrammedsettings allowing you to customize the look ofthe Chart window. The default is daytimeview. Select Night mood depending on whatmode the display is in at the time ofselection.To change mode:1 Highlight Night mode.2 Press or .Tip: The screen will be difficult to read ifthe chart plotter is in night mood when thesun is too brightBackgroundYou can Changes the background color ifnecessary. This selection is a personalpreference. Select the option that gives youthe clearest viewing in your weatherconditions and viewing angle.3 General Operation