Hidden Key List - Samsung LHA20WS Service Manual

3-5 Hidden Key list

No Function
1. Hidden Service Function
2. Factory Reset
3. Auto calibration
4. OSD lock
Action method
-. After setting brightness and contrast '0' push
the "Enter" button more than 5 seconds.
-. Service Function appear.
-. While Menu is opened(any menu), press "enter" key
over 5 seconds.
-. Screen is flashing, then all menus return to the
factory default.
To Analog video, In 16gray or any pattern using black and
white and any mode.(16gray and XGA mode recommend)
1. Push the OSD Menu button to open the OSD.
2. Select language English.
3. Push enter button during 5 seconds.
4. Screen is flashed and auto calibration is completed.
-. Press the menu key over 5 seconds, then OSD is locked .
-. To unlocked the OSD, press the memu key over
5 seconds.
3 Alignments and Adjustments
3-3