Hitachi CP-X2510Z User's Manual And Operating Manual page 72

Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon
MONITOR OUT
AUDIO
OUT
NOTE
Cases not involving a machine defect
The brightness and/or contrast are adjusted to an
The ECO MODE function is working.
The lamp is approaching the end of its product
lifetime.
Either the focus and/or horizontal phase settings are
not properly adjusted.
The lens is dirty or misty.
The SAVING function is working in the standby state.
Troubleshooting
Reference
page
26
34
57
35
63