j5 create JUA310 - USB 3.0 VGA Display Adapter - Manual (Page 47)

USB DISPLAY ADAPTER
USER MANUAL
46
Primary Mode
When Primary is selected, the
display device, which is
connected to USB 3.0 Display
Adapter, will become the main
display, the display of the internal
graphics card will automatically
switch to be the extended display
and act as an extension desktop.
Off
When Off selected, it will disable
the display of the USB 3.0 Display
Adapter.