7.2 HEADREST NTSC LCD MONITOR OSD ADJUSTMENT 1 . Press the POWER ON/OFF button on the monitor or remote unit to turn on the power. a.Touch power switch on the monitor to select video/audio inputs. b.Press power switch on the monitor 2 second to turn off the monitor 2 . Press MENU button on the monitor or remote unit to active the OSD function show on the LCD screen and press again to select the adjustment item as below. BRIGHTNESS CONTRAST COLOR VOLUME 3 .