Hitachi CP-WU5500 User Manual page 120

Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon
Pictures
appear blurry.
(continued)
Some kind
of image
degradation
such as
flickering or
stripes appear
on screen.
RS-232C does
not work on
control terminal.
Network does
not work.
Displayed
image is
partially dark.
ECO MODE
setting cannot
be changed.
(continued on next page)
120
Cases not involving a machine defect
The lens is dirty or misty.
Clean the lens referring to the section Caring for the lens.
When the projector is operating in Eco mode,
flickering may appear on screen.
Set ECO MODE in the LAMP & FILTER menu to NORMAL.
The OVER SCAN ratio is too big.
Adjust OVER SCAN in the IMAGE menu smaller.
Excessive VIDEO NR.
Change the setting of VIDEO NR in the INPUT menu.
The FRAME LOCK function cannot work on the
current input signal.
Set FRAME LOCK in the INPUT menu to OFF.
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the
SETUP menu.
RS-232C is set to HDBaseT.
Select CONTROL for RS-232C item in the OPTION
menu.
The COMMUNICATION TYPE for the CONTROL port
is set to NETWORK BRIDGE.
Select OFF for COMMUNICATION TYPE item in the
OPTION - SERVICE - COMMUNICATION menu.
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the
SETUP menu.
The same network address is set for both wireless
and wired LAN.
Change the network address setting for wireless or wired
LAN.
Blending Region is set.
Set all Blending Region to OFF or set Blending – Mode
to OFF.
Blending - Mode is set to MANUAL.
Set Blending – Mode to OFF.
Reference
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