
Troubleshooting
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 | • | Projector power cord is not plugged into the wall outlet. | 27 | 
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 | • | Power to the external connected devices is off. | – | 
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 | • | The selected input mode is wrong. | 32 | 
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 | • | Cables incorrectly connected to the projector. | 
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 | • | Remote control battery has run out. | 15 | 
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| No picture and no sound | • | External output has not been set when connecting notebook | 23 | ||
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 | start. | • | The lamp unit cover is not installed correctly. | 56, 57 | |
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 | • | Cables incorrectly connected to the projector. | |
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 | • | “Bright” is set to minimum position. | 43 | 
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 | • | Depending on the computer you are using, an image may not be | – | 
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 | projected unless the signal output setting of the computer is | 
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 | switched to the external output. Refer to the owner’s manual of the | 
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 | computer for how to switch its signal output settings. | 
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| Sound is heard but no | 
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| picture appears (or picture | 
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 | • | Image adjustments are incorrectly set. | 43 | 
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 | • Make adjustments of “Color” and “Tint” in “Picture Mode” and lower | 
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 | the “Bright Boost” value. | 
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 | (Video Input only) | 51 | |
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 | • Video input system is incorrectly set. | ||
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| Color is faded or poor. | 
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 | • | Adjust the focus. | 30 | 
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 | • | The projection distance exceeds the focus range. | 20 | 
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 | • | Perform “Fine Sync” Adjustments (“Clock” Adjustment) | 51 | 
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 | • | Perform “Fine Sync” Adjustments (“Phase” Adjustment) | 51 | 
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 | Picture is blurred; | • | Noise may appear depending on the computer. | – | |
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 | noise appears. | 
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 | • | Cables incorrectly connected to the projector. | |
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 | • | Volume is set to minimum. | 32 | 
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 | volume is set to minimum, the sound is not output even if you turn up | 
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 | the volume of the external device. | 
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| Picture appears but no | • | “Speaker" is set to “Off”. | 46 | ||
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 | sound is heard. | 
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| An unusual sound is | • | If the picture is normal, the sound is due to cabinet shrinkage | – | ||
| occasionally heard from | 
 | caused by room temperature changes. This will not affect operation | 
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 | or performance. | 
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| Maintenance indicator on | • | See “Maintenance Indicators”. | 53 | ||
| the projector illuminates | 
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 | or blinks in red. | 
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| The projector cannot be | • | The keylock is set. | 48 | ||
| turned on or put into the | 
 | If the keylock is set to “ON”, all the buttons are locked. | |||
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| standby mode using the | 
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