128
Phenomenon
Cases not involving a machine defect
Reference
page
Pictures
appear blurry.
(continued)
The lens is dirty or misty.
Clean the lens referring to the section
Caring for the lens
.
117
Some kind
of image
degradation
such as
fl
ickering or
stripes appear
on screen.
When the projector is operating in Eco mode,
fl
ickering may appear on screen.
Set ECO MODE to NORMAL, and set AUTO ECO
MODE to OFF, in the SETUP menu.
58
The OVER SCAN ratio is too big.
Adjust OVER SCAN in the IMAGE menu smaller.
51
Excessive VIDEO NR.
Change the setting of VIDEO NR in the INPUT menu.
53
The FRAME LOCK function cannot work on the
current input signal.
Set FRAME LOCK in the INPUT menu to OFF.
55
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 con
fi
guration.
Disconnect the USB cable from the computer, then
reconnect it after starting up the computer.
11, 12
RS-232C does
not work.
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the
SETUP menu.
59
The COMMUNICATION TYPE for the CONTROL port
is set to NETWORK BRIDGE.
Select OFF for COMMUNICATION TYPE item in the
OPTION - SERVICE - COMMUNICATION menu.
76, 77
Network does
not work.
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the
SETUP menu.
59
The same network address is set for both wireless
and wired LAN.
Change the network address setting for wireless or wired LAN.
82, 86
(continued on next page)
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)