Canon REALiS WUX4000 D Pro AV Multimedia Projector WUX4000 User's Manual - Page 170

You Cannot Operate the Remote Control

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Troubleshooting Cause The lamp has broken (or there is a lamp malfunction). The operating temperature is inappropriate. Other reasons Countermeasure Check whether the lamp has broken. If the lamp has broken, follow the instructions in "Precautions on the lamp" on page 19. If the lamp has not broken, there may be a malfunction with the lamp. Check the lamp by replacing it with a spare lamp if you have one. (P20, P159, P160) Check whether the operating temperature is between 5°C and 35°C. (P22) If you use the projector at 2300 m or higher above sea level, contact your Canon dealer. The projector may be damaged. Contact your Canon dealer. ■You Cannot Operate the Remote Control Cause Batteries are not installed properly or they have run out. You are operating the remote control from the outside of the remote control operating range. There is an obstacle between the projector and the remote control. You are operating the remote control in an unsuitable operating environment. The channel setting of the remote control does not match the setting of the projector. The key lock function is preventing operation of the remote control. Countermeasure Check whether batteries are installed correctly. If batteries are installed correctly, replace them with new batteries. (P24) Check whether you are operating the remote control within the remote control operating range. (P25) Remove the obstacle between the infrared remote receiver of the projector and the remote control or point the remote control to an obstacle-free path. Check whether the infrared remote receiver of the projector is exposed to direct sunlight or strong light of lighting apparatus. (P25) Check whether the channel setting of the remote control has been changed. You can check the [Remote control] setting in the [System settings] menu. (P98) Check whether [Key lock] is enabled to disable the remote control operation. In the System settings menu, set [Key lock] to [Off]. (P97) 170

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Troubleshooting
170
■
You Cannot Operate the Remote Control
The lamp has broken (or there is a
lamp malfunction).
Check whether the lamp has broken.
If the lamp has broken, follow the instructions in “Precau-
tions on the lamp” on page
19
. If the lamp has not broken,
there may be a malfunction with the lamp. Check the lamp
by replacing it with a spare lamp if you have one. (
P20
,
P159
,
P160
)
The operating temperature is
inappropriate.
Check whether the operating temperature is between 5°C
and 35°C. (
P22
)
If you use the projector at 2300 m or higher above sea level,
contact your Canon dealer.
Other reasons
The projector may be damaged. Contact your Canon
dealer.
Cause
Countermeasure
Batteries are not installed prop-
erly or they have run out.
Check whether batteries are installed correctly. If batteries
are installed correctly, replace them with new batteries.
(
P24
)
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. (
P25
)
There is an obstacle between the
projector and the remote control.
Remove the obstacle between the infrared remote receiver
of the projector and the remote control or point the remote
control to an obstacle-free path.
You are operating the remote con-
trol in an unsuitable operating
environment.
Check whether the infrared remote receiver of the projector
is exposed to direct sunlight or strong light of lighting appa-
ratus. (
P25
)
The channel setting of the remote
control does not match the setting
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. (
P98
)
The key lock function is prevent-
ing operation of the remote con-
trol.
Check whether [Key lock] is enabled to disable the remote
control operation.
In the System settings menu, set [Key lock] to [Off]. (
P97
)
Cause
Countermeasure