3M X30N Operator's Manual page 72

Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon
72
Downloaded from ProjectorsManual.com Manuals
Cases not involving a machine defect
The signal cables are not correctly connected.
The MUTE function is working.
The volume is adjusted to an extremely low level.
The AUDIO SOURCE/SPEAKER setting is not correct.
The lens cover is attached.
The signal cables are not correctly connected.
The brightness is adjusted to an extremely low level.
The computer cannot detect the projector as a plug
and play monitor.
The BLANK screen is displayed.
BLANK
The FREEZE function is working.
FREEZE
Color settings are not correctly adjusted.
COLOR SPACE setting is not suitable.
3M™ Digital Projector X30N/X35N
MUTE VOLUME + -
Reference
page
16
16
27
11
22
22