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TROUBLESHOOTING
You cannot operate the remote control.
You cannot use the wireless mouse function.
Cause Countermeasure
Batteries are not installed properly
or they have run out.
Check whether batteries are installed correctly. If batteries are
installed correctly, replace them with new batteries (P29).
You are operating the remote con-
trol from the outside of 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 (P29).
You are operating the remote con-
trol under an inappropriate operat-
ing environment.
Check whether the infrared remote receiver of the projector is
exposed to direct sunlight or strong light of lighting apparatus
(P29).
The channel setting of the remote
control does not match with the set-
ting of the projector.
Check whether the channel setting of the remote control has
been changed. You can check the [Remote control] setting in
the [System settings] menu (P115).
The key lock function is prohibiting
the remote control operation.
Check whether [Key lock] is enabled to disable the remote
control operation.
In the System settings menu, set [Key lock] to [Off] (P114).
Cause Countermeasure
The USB cable is not connected
correctly.
Check whether the USB cable is connected between the pro-
jector and computer correctly (P82).
A mouse driver is not installed. Check whether the mouse is functioning on the computer. If it
is not, install a mouse driver to the computer.
The mouse is not recognized due
to a problem in the computer.
Turn on the projector and computer in this order again.