Optiquest QW22B VS11725 - Manual (Page 18)

Input Select
When only one of the two signal inputs is connected to the signal source, the one connected
is automatically selected. Input Select function is not available if there is no signal input
from the selected connector or during the power management mode.
NOTE
Select the Analog input.
Select the Digital input. D-sub
DVI
Adjustment Item Problem / Option Button to Press
Input Select
NOTE
Optiquest Q22wb 15