Hitachi CP X450 User Manual - Page 63

Phenomena that may be easy to be mistaken for machine defects continued

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Troubleshooting Phenomena that may be easy to be mistaken for machine defects (continued) Phenomenon Cases not involving a machine defect The signal cables are not correctly connected. Correctly connect the audio cables. Sound does not come out. The MUTE function is working. Restore the sound pressing MUTE or VOLUME button on the remote control. 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/SPEAKER setting is not correct. Correctly set the AUDIO/SPEAKER in AUDIO menu. The lens cover is attached. Remove the lens cover. The signal cables are not correctly connected. Correctly connect the connection cables. No pictures are displayed. 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 BLANK screen is displayed. Press BLANK button on the remote control. (Continued on next page) Reference page 9 15 15 35 4, 14 9 24, 25 10 20 63

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63
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon
Cases not involving a machine defect
Reference
page
Sound does not
come out.
The signal cables are not correctly connected.
Correctly connect the audio cables.
9
The MUTE function is working.
Restore the sound pressing MUTE or VOLUME button on
the remote control.
±5
The volume is adjusted to an extremely low level.
Adjust the volume to a higher level using the menu function
or the remote control.
±5
The AUDIO/SPEAKER setting is not correct.
Correctly set the AUDIO/SPEAKER in AUDIO menu.
35
No pictures are
displayed.
The lens cover is attached.
Remove the lens cover.
4, 14
The signal cables are not correctly connected.
Correctly connect the connection cables.
9
The brightness is adjusted to an extremely low level.
Adjust BRIGHTNESS to a higher level using the menu
function.
24, 25
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.
±0
The BLANK screen is displayed.
Press BLANK button on the remote control.
²0
(Continued on next page)