118
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon
Cases not involving a machine defect
Reference
page
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The signal cables are not correctly connected.
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The volume is adjusted to an extremely low level.
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The AUDIO SOURCE/SPEAKER setting is not correct.
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The MUTE function is working.
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The signal cables are not correctly connected.
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The brightness is adjusted to an extremely low level.
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The computer cannot detect the projector as a plug
and play monitor.
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The lens shade is closed.
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The BLANK screen is displayed.
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