Hitachi CP-WX2542WN User Manual page 109

Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon 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
COMPUTER IN2 is set to MONITOR OUT.
MUTE VOLUME + -
USB TYPE A
USB TYPE B
LAN
Troubleshooting
Reference
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