Keysight Technologies InfiniiVision 4000 X Series

410 Keysight InfiniiVision 4000 X-Series Oscilloscopes Programmer's Guide
16 :DISPlay Commands
:DISPlay:BACKlight
(see page 1610)
Command Syntax
:DISPlay:BACKlight {{0 | OFF} | {1 | ON}}
The :DISPlay:BACKlight command turns the display's backlight off or on.