21 BasicoperationContrastTouch to increase, touch to decrease.BrightTouch to increase, touch to decrease.The daytime display and nighttimedisplay will be switched each timeis pressed.• When in daytime display, the touchswitch changes into bright color.• is displayed when the lights areON.Touch .• To make the screen reappear, press .Contrast/Bright+ -+ -How to switch to daytime display when the lights are ONDAYDAYHow to turn the screen OFFOFFNAVI• Even with the screen turned OFF, the GPS present location positioning continuesto function.• The daytime display screen and nighttime display screen can be separatelyadjusted.