Troubleshooting (continued)
Phenomena That May Easily 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. | 8, 9 | |
| Correctly connect the connection cables. | ||
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Pictures are | The volume is adjusted to an extremely low level. | 19, 32 | |
Adjust the VOLUME to a higher level. | |||
displayed, |
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The sound is muted. |
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but no sounds | 19 | ||
are heard. | Press the MUTE button to restore the sound. | ||
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| The audio input is not correctly selected when the child window | 22 | |
| is displayed. | ||
| Correctly select the audio input. |
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| The lens cap is attached. | 4, 15 | |
| Remove the lens cap. | ||
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Sounds are | The signal cables are not correctly connected. | 8, 9 | |
Correctly connect the connection cables. | |||
heard, |
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but no pictures |
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The brightness is adjusted to an extremely low level. | 23 | ||
are displayed. | Adjust the BRIGHT to a higher level using the menu function. | ||
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| The screen is blanked. | 19 | |
| Press the BLANK button to return to the input signal screen. | ||
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Colors have a | Color settings are not correctly adjusted. |
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faded- out | Perform picture adjustments by changing the COLOR BAL R, | 24 | |
appearance, or | COLOR BAL G, COLOR BAL B, COLOR and/or TINT settings, using | ||
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Color tone is poor. | the menu functions. |
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| The brightness and/or contrast are adjusted to an extremely low |
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| level. | 23 | |
| Adjust the BRIGHT and/or CONTRAST settings to a higher level | ||
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Pictures appear | using the menu function. |
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dark. | The WHISPER function is working. | 23 | |
| Select the NORMAL to the item WHISPER in the MAIN menu. | ||
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| The lamp is approaching the end of its product lifetime. | 35, 36 | |
| Replace the lamp. | ||
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| Either the focus and/or horizontal phase settings are not |
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| properly. | 16 | |
Pictures appear | Adjust the focus using the focus buttons, and/or H PHASE using the | ||
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blurry. | menu function. |
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| The lens is dirty or misty. | 38 | |
| Clean the lens by referring to the section “Caring For The Lens”. | ||
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Input signal | The INPUT dial is set between the click points. |
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changes with no | 16 | ||
Turn the INPUT dial and set it at a click point. | |||
operation. |
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46 | © 3M 2004 3M™ Multimedia Projector X70/X80 |
