HP LD5535 55-inch LED Digital Signage Display - Manual (Page 26)

Setting screen options
The Option tab allows you to change the screen settings of the selected display.
NOTE: Screen image content varies based on model.
NOTE: Screen setting options might vary depending on the display model.
Aspect Ratio
Aspect Ratio is used to set the aspect ratio of the screen.
ISM Method
ISM Method is used to change the Image Sticking Minimization (ISM) method for the display. ISM prevents an
image-sticking phenomenon where a frozen still picture displayed on the screen for prolonged periods can
result in a ghost image.
There are four ISM methods available in the display:
Image Sticking Method Description
Off Does not use the ISM method.
White Wash Refreshes the screen into white to remove the ghost image.
Orbiter Moves the screen up/down/left/right every 2 minutes to remove the ghost
image.
20 Installing HP Network Sign Manager