Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon | Cases not involving a machine defect | Reference | |
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| The signal cables are not correctly connected. | 10 ~ 14 | |
| Correctly connect the audio cables. | ||
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| The MUTE function is working. | 19 | |
| Restore the sound pressing MUTE or VOLUME +/- button | ||
| on the remote control. |
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Sound does not | The volume is adjusted to an extremely low level. | 19, 46, | |
come out. | Adjust the volume to a higher level using the menu function | 47 | |
or the remote control. | |||
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| The AUDIO SOURCE/SPEAKER setting is not correct. | 46 | |
| Correctly set the AUDIO SOURCE/SPEAKER in AUDIO menu. | ||
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| The mode selected for HDMI AUDIO is not suitable. |
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| Check each of the two modes provided and select the | 47 | |
| suitable one for your HDMI audio device. |
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| The lens cover is attached. | 4, 18 | |
| Remove the lens cover. | ||
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| The signal cables are not correctly connected. | 10 ~ 14 | |
| Correctly connect the connection cables. | ||
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| The brightness is adjusted to an extremely low level. | 33 | |
| Adjust BRIGHTNESS to a higher level using the menu function. | ||
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| The computer cannot detect the projector as a plug and play monitor. | 10 | |
| Make sure that the computer can detect a plug and play | ||
| monitor using another plug and play monitor. |
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| The BLANK screen is displayed. | 28 | |
No pictures are | Press BLANK button on the remote control. | ||
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displayed. | The USB TYPE B port is selected as the picture input |
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| source even if MOUSE is selected for USB TYPE B. | 55 | |
| Select USB DISPLAY for USB TYPE B in OPTION menu to | ||
| project the picture input to the port. Otherwise select other |
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| port for picture input. |
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| The projector does not recognize the USB storage |
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| device inserted into USB TYPE A port. |
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| Use the REMOVE USB function first, remove the USB |
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| storage device, and then insert it into the port again. | 12, 80 | |
| Before removing the USB storage device, be sure to use | ||
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| the REMOVE USB function on the thumbnail screen, which |
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| appears when the USB TYPE A port is selected as the input |
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| source. |
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(continued on next page) |
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