Hitachi CP-EX400 User Manual page 78

Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon
NOTE
78
Cases not involving a machine defect
When the projector is operating in Eco mode,
The OVER SCAN ratio is too big.
Excessive VIDEO NR.
The FRAME LOCK function cannot work on the
current input signal.
The SAVING function is working.
Reference
page
41
45