Hitachi ED-X24Z User's Manual And Operating Manual page 71

Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon
MONITOR OUT
AUDIO
OUT
NOTE
62
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.
Reference
page
26
34
56
35