HP LD5535 55-inch LED Digital Signage Display - Manual (Page 45)

Adjusts the size of the subscreen (Size 0-10).
NOTE: The subscreen is only supported when using the USB device.
You can only change the size and position in PIP mode.
With PBP selected, the Aspect Ratio option in the PICTURE menu is disabled (Fixed as 16:9).
While running the PBP function, the Tile Mode function does not work.
You must select the output sound before running the PIP or PBP functions. (Select either Main or Sub.)
If you fail to select Main or Sub from the sound selection box, and if the OSD disappears after either a period
of time or when the Exit or Back key is pressed, the PIP/PBP subscreen is not activated.
You cannot change the sound while running the PIP or PBP functions. If you want to change the sound, restart
PIP/PBP.
The picture quality of the subscreen is set according to the values selected in the main menu, not the USB
device.
When the power is turned off/on, the PIP/PBP mode is disabled.
If you play videos you selected in PIP/PBP mode, the videos will play back repeatedly in succession.
The buttons below work in PIP mode:
Button Photo Movie
< o x
> o x
x o
x x
x o
x o
x o
Accessing main menus 35