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Troubleshooting
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Sound
Remote Commander/Presentation tool
The picture is not clear. • Picture is out of focus.
c Adjust the focus (see page 24).
• Condensation has occurred on the lens.
c Leave the projector for about two hours with the power on.
The image extends beyond
the screen.
• The APA key is pressed although there are black edges around the
image.
c Display the full image on the screen and press the APA key.
c Adjust “Shift” in the INPUT SETTING menu properly (see
page 33).
The picture flickers. • “Dot Phase” in the INPUT SETTING menu has not been adjusted
properly.
c Adjust “Dot Phase” in the INPUT SETTING menu properly
(see page 33).
Symptom Cause and Remedy
No sound. • Cable is disconnected or the connections are wrong.
c Check that the proper connections have been made (see page
20).
• The audio connecting cable is incorrect.
c Use a no-resistance stereo audio cable (see page 20).
• The sound is muted.
c Press the AUDIO MUTING key to release the audio muting (see
page 16).
• The sound is not adjusted properly.
c Adjust the sound with the VOLUME +/– key on the Remote
Commander or adjust “Volume” in the PICTURE SETTING
menu (see page 32).
Symptom Cause and Remedy
The Remote Commander
does not work.
• The Remote Commander batteries are dead.
c Replace with new batteries (see page 17).
• The COMMAND ON/OFF switch is set to OFF.
c Set to ON.
• The PJ/NETWORK selector switch is set to NETWORK.
c Set to PJ.
The computer cannot be
controlled with the Remote
Commander.
• The USB cable is not connected.
c Connect the projector to the computer using the USB cable.
• You are operating the Air Shot (VPL-CX75 only).
c When using the Air Shot, the computer cannot be controlled
with the Remote Commander.
The computer cannot be
controlled with the
presentation tool (VPL-
CX75 only).
• The USB cable is used.
• The Air Shot is not used.
c The presentation tool is designed to use with the Air Shot.
Use the Remote Commander to operate the device connected via
the USB cable.
Symptom Cause and Remedy