Canon REALiS WUX4000 D Pro AV Multimedia Projector WUX5000 / WUX4000 User's Ma - Page 172
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, P161, P162) 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 the Canon Customer Support Center. The projector may be damaged. Contact the Canon Customer Support Center. ■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 of the main unit of the projector. (P26) Remove the obstacle between the infrared remote receiver of the main unit 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 main unit of the projector is exposed to direct sunlight or strong light of lighting apparatus. (P26) Check whether the channel setting of the remote control has been changed. You can check the [Remote control] setting in the [System settings] menu. (P100) Check whether [Key lock] is enabled to disable the remote control operation. In the System settings menu, set [Key lock] to [Off]. (P99) 172