83
TROUBLESHOOTING
Cannot operate the remote control
Cannot operate the wireless mouse
This symbol on the nameplate means the product is Listed by
Underwriters Laboratories Inc. It is designed and manufactured to
meet rigid U.L. safety standards against risk of fire, casualty and
electrical hazards.
The CE Mark is a Directive conformity mark of the European Community (EC).
Cause
Countermeasure
Batteries are not installed properly or
they have run out.
Check whether batteries are installed properly. If batteries
are installed properly, replace them with one batteries.
(P17)
You are operating the remote control
outside the remote control operating
range.
Check whether you are operating the remote control within
the remote control operating range.
Also check whether there is any obstacle between the
infrared remote receiver of the projector and the remote
control. (P16)
The operating environment of the
remote control is bad.
Check whether the infrared remote receiver of the projec-
tor is exposed to direct sunlight or strong light of lighting
apparatus. (P16)
The remote control code does not
match the projector setting.
Check whether the remote control code has been
changed.
You can confirm the "Remote control" setting in the Sys-
tem settings menu. (P72)
"Key lock" is turned on to disable
remote control operation.
Check whether "Key lock" is turned on to disable remote
control operation.
In the System settings menu, set "Key lock" to "Off." (P71)
Cause
Countermeasure
The USB cable is not connected prop-
erly.
Check whether the USB cable is properly connected
between the projector and computer. (P41)
A mouse driver is not installed.
Check whether the mouse can be used on the computer
side. If it cannot be used, install a mouse driver in the com-
puter.
The mouse is not recognized due to a
computer problem.
Turn on the projector and computer in this order again.
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