Hitachi CP-X2021WN - Manual (Page 105)

105
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.
44
The OVER SCAN ratio is too big.
Adjust OVER SCAN in the IMAGE menu smaller.
36
Excessive VIDEO NR.
Change the setting of VIDEO NR in the INPUT menu.
39
The FRAME LOCK function cannot work on the
current input signal.
Set FRAME LOCK in the INPUT menu to OFF.
41
The sound
or image
is unstable
or is output
intermittently.
When LAN or USB TYPE B port is selected, some
parts of the output may be missing due to signal
processing delay.
Change the signal or use another port.
22, 46
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.
12
RS-232C does
not work.
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP
menu.
45
The COMMUNICATION TYPE for the CONTROL port
is set to NETWORK BRIDGE.
Select OFF for COMMUNICATION TYPE item in the
OPTION - SERVICE - COMMUNICATION menu.
59
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.
59
Network does
not work
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP
menu.
45
The same network address is set for both wireless
and wired LAN.
Change the network address setting for wireless or wired LAN.
63, 68
(continued on next page)
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)