Christie LW401 Manual page 122

LX501/LX601i/LW401/LW551i/LWU421/LWU501i
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon
Neither sounds
nor pictures are
outputted.
(continued)
Sound does not
come out.
No pictures are
displayed.
(continued on next page)
Operating Guide
Cases not involving a machine defect
The projector does not recognize the USB storage
device inserted into USB TYPE A ports.
Use the REMOVE USB function first, remove the USB
storage device, and then insert it into the port again.
Before removing the USB storage device, be sure to use
the REMOVE USB function on the Thumbnail screen, which
appears when the USB TYPE A is selected as the input
source.
The signal cables are not correctly connected.
Correctly connect the audio cables.
The volume is adjusted to an extremely low level.
Adjust the volume to a higher level using the menu function
or the remote control.
The AUDIO SOURCE/SPEAKER setting is not correct.
Correctly set the AUDIO SOURCE/SPEAKER in AUDIO
menu.
The mode selected for HDMI AUDIO is not suitable.
Check each of the two modes provided and select the
suitable one for your HDMI
The Sound button (♪) or checkbox is disabled.
If you have selected USB TYPE A, turn the sound on from
the Thumbnail menu.
If you have selected USB TYPE B, remove the check
mark from the Sound checkbox in the Options window of
"LiveViewer Lite for USB".
If you have selected LAN, remove the check mark from the
Sound checkbox in the Option menu of "LiveViewer".
The signal cables are not correctly connected.
Correctly connect the connection cables.
The brightness is adjusted to an extremely low level.
Adjust BRIGHTNESS to a higher level using the menu
function.
The computer cannot detect the projector as a plug
and play monitor.
Make sure that the computer can detect a plug and play
monitor using another plug and play monitor.
The lens shutter is closed.
Check whether the SHUTTER indicator is blinking. If it is
blinking, press SHUTTER button on the control panel.
audio device.
TM
120
Reference
page
12, 98
10 ~ 14
26, 58
58
59
98, 108
10 ~ 14
45
10
37
020-000461-02 Rev. 1 (06-2012)