97
QM01001-1
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon
Cases not involving a machine defect
Reference
page
No pictures are
displayed.
The signal cables are not correctly connected.
Connect the connection cables correctly.
23
~
27
The brightness is adjusted to an extremely low level.
Adjust BRIGHTNESS to a higher level using the menu function.
49
The computer cannot detect the projector as a plug-
and-play monitor.
Make sure that the computer can detect a plug-and-play
monitor using another plug-and-play monitor.
24
The BLANK screen is displayed.
Press the
BLANK
button on the remote control.
43
The remote
control is not
operating.
The projector is not receiving a signal from the remote
control. (frequency)
See "REMOTE FREQ." under the SERVICE item in the
OPTION menu and Changing the frequency of remote
control signal. Set either of the following settings.
1. Set 1. NORMAL to ON and 2. HIGH to OFF. On the
remote control, set the signal frequency mode to NORMAL.
2. Set 2. HIGH to ON and 1. NORMAL to OFF. On the
remote control, set the signal frequency mode to HIGH.
31, 77
USB TYPE A
power feeding
does not work
with standby
mode.
USB STANDBY PWR. function is not working.
When the STANDBY MODE is set to SAVING, USB TYPE
A power feeding is unavailable with standby mode. Select
NORMAL or QUICK START for STANDBY MODE item in
the SETUP menu, then select ON for USB STANDBY PWR.
item in the INPUT menu.
62, 63
(continued on next page)
