Christie LW401 Manual page 124

LX501/LX601i/LW401/LW551i/LWU421/LWU501i
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon
Some kind
of image
degradation
such as
flickering or
stripes appear
on screen.
The sound
or image
is unstable
or is output
intermittently.
The computer
connected to
the USB TYPE
B port of the
projector does not
start up.
RS-232C does
not work.
Network does
not work
(continued on next page)
Operating Guide
Cases not involving a machine defect
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.
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.
When LAN, USB TYPE A 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.
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.
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP
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.
122
Reference
page
56
49
51
53
27, 58
11, 12
57
73
57
78, 82
020-000461-02 Rev. 1 (06-2012)