YURAKU YM19APR Manuel D'utilisation page 7

Using On Screen Display (OSD) Functions
Display main menu.
1
Exit from OSD menu.
Auto adjust the image when not in main menu.
2
Confirm the selection.
Select the desired item when in OSD menu.
or
When not in OSD menu, it is to immediately activate Contrast/
Brightness. It should be change to Contrast/ Brightness by pressing
2
button
▼ + ▲
Recall both of Contrast and Brightness
1 + ▼
Power Lock (when not in OSD menu)
1 + ▲
OSD Lock (when not in OSD menu )
Main Menu
.
4