NEC MultiSync M-Serie Handbuch Seite 26

E - 20
Problem
Display image is not centered, too
smaIl, or too large
Color looks blotchy
No sound
Microphone not functioning
Troubleshooting/Support
Check These Items
Use the OSM Size and Position
controls to adjust the image.
Adjust the Brightness, then Contrast
Controls. Access the Degauss Control
through OSM. Activate the Degauss
Control. CAUTION: A minimum
interval of 20 minutes should exist
before the Degauss Function is used a
second time when not switching
between modes.
Make sure audio out from PC is
connected to speaker input on
monitor and not to the microphone.
Check to see if mute is activated.
Check to see if volume in OSM is set
at minimum .
Check microphone and speaker
connector.