Hitachi CP-RX70 User Manual page 62

Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon
NOTE
Cases not involving a machine defect
The computer cannot detect the projector as a plug
and play monitor.
The BLANK screen is displayed.
The FREEZE function is working.
Color settings are not correctly adjusted.
COLOR SPACE setting is not suitable.
The brightness and/or contrast are adjusted to an
The WHISPER 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.
Troubleshooting
Reference
page
9
19
19
28
28
45
48
53