* Turn on the display and select the input that you want to adjust.
* Turn the display off.
* In quick sequence on the remote press:
{MUTE} , {1} , {8} , {2} , {POWER} buttons.
* The Display will turn on with the service menu displayed.
ADJUSTMENT – TEST PATTERN – SET OPTION BYTE – FACTORY RESET
* Select the function and use the {VOL+} to enter the next screen.
* Save settings and exit by pushing {MUTE} twice then {POWER}.