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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.
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)
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 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.
Troubleshooting
Reference
page
116
57
50
52
54
26, 59
11, 12
58
75, 76
58
81, 85
127
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