279
Troubleshooting
Appendix Other Information
■ There is no Sound
Images on a USB flash
drive cannot be
projected.
Projection from USB flash drives requires JPEG
images with a resolution not exceeding 7000x7000,
single-byte alphanumeric file names, and a FAT-
formatted drive.
Split-screen display is
not available.
Split-screen display is not available when projecting
images from USB flash drives or over a network.
The LAN cable (shielded
twisted pair) is not
connected correctly.
Check whether the LAN cable (shielded twisted pair)
is connected to the projector correctly. (P164)
A network connection
cannot be established.
Network connections are not available until about 40
seconds after startup. (P177)
Cause Countermeasure
The audio cable is not
connected correctly.
Check the audio cable connection. (P133)
The MUTE function is
enabled.
Press the MUTE button on the remote control. (P75)
The volume level is
adjusted to the
minimum.
Press the VOL button on the remote control or the
VOL+ button on the side control to adjust the volume
level. (P75)
An audio cable with a
built-in resistor is used.
Use an audio cable without a built-in resistor.
Audio in terminal select
is [Off].
Change the Audio In terminal to the appropriate
setting. (P149)
Cause Countermeasure