Hitachi CP-X4015WN User Manual

Page of 123
121
Phenomenon
Cases not involving a machine defect
Reference 
page
Some kind 
of image 
degradation 
such as 
flickering or 
stripes appear 
on screen. 
When the projector is operating in Eco mode, 
flickering may appear on screen.
Set ECO MODE to NORMAL, and set AUTO ECO 
MODE to OFF, in the SETUP menu.
47
The OVER SCAN ratio is too big.
Adjust OVER SCAN in the IMAGE menu smaller.
40
Excessive VIDEO NR.
Change the setting of VIDEO NR in the INPUT menu.
42
The FRAME LOCK function cannot work on the 
current input signal.
Set FRAME LOCK in the INPUT menu to OFF.
44
The sound 
or image 
is unstable 
or is output 
intermittently.
When LAN, USB TYPE A or USB TYPE B port is 
selected, some ports of the output may be missing 
due to signal processing delay. 
Change the signal or use another port.
24, 49
The computer 
connected to 
the USB TYPE 
B port of the 
projector does 
not start up.
The computer cannot start up in the current 
hardware configuration.
Disconnect the USB cable from the computer, then 
reconnect it after starting up the computer.
13
RS-232C does 
not work.
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP 
menu.
48
The COMMUNICATION TYPE for the CONTROL port 
is set to NETWORK BRIDGE.
Select OFF for COMMUNICATION TYPE item in the 
OPTION - SERVICE - COMMUNICATION menu.
62
NETWORK 
BRIDGE 
function does 
not work
The NETWORK BRIDGE function is turned off.
Select NETWORK BRIDGE for COMMUNICATION TYPE 
item in the OPTION - SERVICE - COMMUNICATION menu.
62
Network does 
not work
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP 
menu.
48
The same network address is set for both wireless 
and wired LAN.
Change the network address setting for wireless or wired LAN.
67, 72
(continued on next page)
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)