Basic Operation-11-Main Menu OperationIn many modes, touch the iconto enter the main menu, the messagelike following as below.1.Display switchWhen the unit is power on, to adjustthe brightness for the display .2. Rear View CameraSwitch the rear view camera on at setupmodel, then tap the icon that the mirrorimage of the rear view is automaticallydisplayed on the monitor.(Note: additional monitor can notdisplay the image.)3. SETUP iconTouch “ ” to enter the SETUP mode,tap for page turning;select the message will show as:OSD Language:as:ANIMATIONIn RADIO mode, you can change theplaying time of animation among of“OFF, 10S, 30S, 1M,90S, 2M, 3M and 4M ”.Buzzer:Touch to select buzzer on or off.CameraTouch to turn camera on or off.Touch to select languageTimeo adjust the timeselect the message will show as:Brightness: -20 to 20Adjust if the picture is too bright ortoo dark.Contrast: -20 to 20Adjust the contrast of the bright anddark portion.Hue: -20 to 20Adjust the HUE for the display.Saturation: -20 to 20Adjust the saturation for the display.Sharpness: 0 to 15Adjust the sharpness for the display.Select the message will show as:Select t as:(2)(1)(3)