Canon REALiS LCOS WUX5800 WUX7500 WUX6700 WUX5800 Users Manual - Page 229

Troubleshooting Cause The computer is set to dual screen (multidisplay) mode. The image files are not compatible with USB File Browser. The LAN cable (shielded twisted pair) is not connected correctly. Countermeasure If dual screen mode is selected, change the computer display output to mirroring mode. The output setting method varies among computer manufacturers. For more detailed information, refer to the manual that came with your computer. Projection from USB flash drives requires JPEG images with a resolution not exceeding 10912x8640, single-byte alphanumeric file names, and a FATformatted drive. When [LAN] or [HDBaseT] is selected in the [Input] menu, check whether the LAN cable (shielded twisted pair) is connected to the projector correctly (P81). ■ There is no Sound Cause The audio cable is not connected correctly. The MUTE function is enabled. The volume level is adjusted to the minimum. An audio cable with a built-in resistor is used. Audio in terminal select is [Off]. Countermeasure Check the audio cable connection (P79). Press the MUTE button on the remote control (P37). Press the VOL button on the remote control or the VOL+ button on the side control to adjust the volume level (P33, P37). Use an audio cable without a built-in resistor. Change the Audio In terminal to the appropriate setting (P160). ■ The Projected Image Is Blurred Cause The image is out of focus. The distance to the screen is too short. The projector is not placed straight in front of the screen. Countermeasure Adjust the focus (P46). Check whether the distance to the screen is appropriate (P61). Check whether the projector is placed obliquely to the screen. A slight error in the projection angle can be corrected through the keystone adjustment function (P101). Maintenance / Product Specifications / Troubleshooting Troubleshooting 227