Gefen DVI MATRIX EXT-DVI-16416 - Manual (Page 57)

53
WEB INTERFACE
Masking
Matrix Mask Status / Change
Displays the current masking status for each output.
Mask
Click the Mask button to mask the selected output. If the output is already
masked then the button will read “Active” (enabled). Click the (“Active”) button
again to toggle the masking state to “Mask” (disabled).