109
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.
Correctly connect the connection cables.
10~ 15
The brightness is adjusted to an extremely low level.
Adjust BRIGHTNESS to a higher level using the menu function.
34
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.
11
The BLANK screen is displayed.
Press AV MUTE button on the remote control.
22
The projector does not recognize the USB storage 
device inserted into USB TYPE A port. 
Before removing the USB storage device, be sure to use 
the REMOVE USB function on the thumbnail screen, which 
appears when the USB TYPE A port is selected as the input 
source.
14
"Waiting for connection." remains displayed even 
though the USB TYPE B port is selected.
Remove the USB cable and reconnect after a while.
11
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.
18,66
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