Canon REALiS WX520 Pro AV User Manual - Page 283
There is no Sound, Cause, Countermeasure
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Troubleshooting Cause Images on a USB flash drive cannot be projected. Split-screen display is not available. The LAN cable (shielded twisted pair) is not connected correctly. A network connection cannot be established. Countermeasure Projection from USB flash drives requires JPEG images with a resolution not exceeding 7000x7000, single-byte alphanumeric file names, and a FATformatted drive. Split-screen display is not available when projecting images from USB flash drives or over a network. Check whether the LAN cable (shielded twisted pair) is connected to the projector correctly. (P168) Network connections are not available until about 40 seconds after startup. (P181) ■ 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. (P136) Press the MUTE button on the remote control. (P77) Press the VOL button on the remote control or the VOL+ button on the side control to adjust the volume level. (P77) Use an audio cable without a built-in resistor. Change the Audio In terminal to the appropriate setting. (P153) Appendix Other Information 283