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106
Phenomenon Cases not involving a machine defect
Reference
page
Some kind
of image
degradation
such as
ickering or
stripes appear
on screen.
When the projector is operating in Eco mode,
ickering may appear on screen.
Set ECO MODE to NORMAL, and set AUTO ECO
MODE to OFF, in the SETUP menu.
43
The OVER SCAN ratio is too big.
Adjust OVER SCAN in the IMAGE menu smaller.
35
Excessive VIDEO NR.
Change the setting of VIDEO NR in the INPUT menu.
38
The FRAME LOCK function cannot work on the
current input signal.
Set FRAME LOCK in the INPUT menu to OFF.
40
The sound
or image
is unstable
or is output
intermittently.
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.
21, 45
Noise can be
heard when
the MIC port is
connected.
If a microphone is connected to the projector
while the USB wireless adapter is connected to
the projector, noise from the adapter caused by
interference is output from the speakers.
Input the signal at line level using a preamp, etc. or
remove the USB wireless adapter. Select HIGH in the
MIC LEVEL item of the AUDIO menu when you input line
level audio signal to the MIC port.
46, 12
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 conguration.
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.
44
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
(continued on next page)
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)
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