Commodore 1940 Guia Del Usuario página 11

Monitor 1940/1942
GB-y
You can connect headphones to your monitor so that stereo sounds
generated by your Amiga computer can only be heard through the
headset. To do this, simply insert the plug on the end of a standard
headphone cable into the small port on the left side of the monitor.
Headphones are not included with your monitor but should be read
ily available at most computer and electronics stores.
Connecting to Commodore PCs with Video
Graphic Adapter (VGA)
ED
VGA video
port
15-pin male
D connector
Connect the 15-pin male D-connector to the video output port of the
computer. Tighten the screws on each side of the connector.