Hitachi CP-WU5500 User's Manual And Operating Manual page 123

Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon
POWER
NOTE
Cases not involving a machine defect
Check if PROJECTOR is set in OPTION - SERVICE -
HDMI OUT RESOLUTION.
Check if EXTERNAL DEVICE is set in OPTION -
SERVICE - HDMI OUT RESOLUTION.
Disconnect the LAN cable and check that the
projector is working properly.
Troubleshooting
Reference
page
93
93
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