Canon REALiS WUX4000 D Pro AV Multimedia Projector WUX4000 User's Manual - Page 168

You Cannot Hear Sound, Cause, Countermeasure

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Troubleshooting Cause The BLANK function has been selected. No image is projected due to a problem with the computer. The external monitor output is not set on the notebook computer correctly. The displayed image is not the same as that displayed on the computer. Countermeasure Press the BLANK button on the remote control. (P66) Turn first the projector and then the computer off and then back on again. Turn on the external monitor output on the notebook computer. To turn on the external monitor output, press the [LCD] or [VGA] function key or a key with an icon for the external monitor, while holding down the [Fn] key on the keyboard of the notebook computer. With Windows 7, you can turn on image output by holding down the Windows logo key and pressing the [P] key. (P45) The combination of keys used to perform this operation varies depending on the model of notebook computer. For more detailed information, refer to the User's Manual that came with your computer. Check whether the dual screen (multi-display) mode is selected on the computer. If the dual screen mode has been selected, change it to the simultaneous display mode on the computer. The output setting method varies among computer manufacturers. For more detailed information, refer to the User's Manual that came with your computer. ■You Cannot Hear 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. Countermeasure Check the audio cable connection. (P37) Press the MUTE button on the remote control. (P67) Press the VOL button on the remote control or the VOL+ button on the side control to adjust the volume level. (P67) Use an audio cable without a built-in resistor. 168

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Troubleshooting
168
■
You Cannot Hear Sound
The BLANK function has been
selected.
Press the
BLANK
button on the remote control. (
P66
)
No image is projected due to a
problem with the computer.
Turn first the projector and then the computer off and then
back on again.
The external monitor output is not
set on the notebook computer
correctly.
Turn on the external monitor output on the notebook com-
puter. To turn on the external monitor output, press the
[LCD] or [VGA] function key or a key with an icon for the
external monitor, while holding down the [Fn] key on the
keyboard of the notebook computer. With Windows 7, you
can turn on image output by holding down the Windows
logo key and pressing the [P] key. (
P45
)
The combination of keys used to perform this operation var-
ies depending on the model of notebook computer. For
more detailed information, refer to the User’s Manual that
came with your computer.
The displayed image is not the
same as that displayed on the
computer.
Check whether the dual screen (multi-display) mode is
selected on the computer. If the dual screen mode has
been selected, change it to the simultaneous display mode
on the computer.
The output setting method varies among computer manu-
facturers. For more detailed information, refer to the User’s
Manual that came with your computer.
Cause
Countermeasure
The audio cable is not connected
correctly.
Check the audio cable connection. (
P37
)
The MUTE function is enabled.
Press the
MUTE
button on the remote control. (
P67
)
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. (
P67
)
An audio cable with a built-in
resistor is used.
Use an audio cable without a built-in resistor.
Cause
Countermeasure