106
Message Description
The horizontal or vertical frequency of the input signal is 
not within the specied range.
Please conrm the specs for your projector or the signal 
source specs.
An improper signal is input. 
Please conrm the specs for your projector or the signal 
source specs.
The COMPUTER IN2/MONITOR OUT port is selected
as the picture input source even if MONITOR OUT is
selected for COMPUTER IN2(
45).
Select AUTO or SYNC ON G OFF in the dialog to project
the picture input to the COMPUTER IN2/MONITOR OUT
port. In this case, you cannot use the MONITOR OUT
function. Otherwise select other port for picture input.
The internal temperature is rising. 
Please turn the power off, and allow the projector to cool 
down at least 20 minutes. After having conrmed the 
following items, please turn the power ON again. 
 • Is there blockage of the air passage aperture? 
 • Is the air lter dirty? 
 • Does the peripheral temperature exceed 40°C?
 •  Is the projector used at an altitude of about 1600 m or 
higher? If the projector is used at an altitude of about 1600 
m or higher, set ALTITUDE of the SERVICE item in the 
OPTION menu to HIGH (
66). If the projector is used with 
a wrong setting, it may cause damage to the projector itself 
or the parts inside.
A note of precaution when cleaning the air lter. 
Please immediately turn the power off, and clean or change 
the air lter referring to the “Cleaning and replacing the 
air lter” section of this manual. After you have cleaned or 
changed the air lter, please be sure to reset the lter time 
(
51, 100).
The button operation is not available.
Troubleshooting
Related messages (continued)