VIORE 10.2" PORTABLE LCD TELEVISION WITH BUILT-IN DVD PLAYER PLCD10V59 - Manual (Page 18)

Press LCD-MENU button twice on the TV set to display the OSD MENU.
15
Customizing the FUNCTION Settings
The FUNCTION menu includes the following options:
Language Select the OSD menu language.
Blue Screen Turn on/off the blue screen display when there’s no signal.
Wide Screen Control the OSD menu display mode on the screen: 16:9, 4:3.
Reset Press button to reset all the set above.
Application