Philips MML1941-PCR User Manual page 18

Connecting composite video - BNC
Connect a BNC video cable from the monitor to the computer's video port (see figure below) only when the computer
and the monitor are turned off.
For example: connection between MML1942-PER and Image source via BNC cable.
Connecting digital video (DVI)
Connect a DVI video cable from the monitor to the computer's video port (see figure below) only when the computer
and the monitor are turned off.
18 MML194x