BenQ Sp820 User Manual

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LED Error Messages 
ERROR CODE MESSAGE POWER LED/FLASHES READY LED/FLASHES
Lamp usage task created error 2 1 
Environment usage task created error 2 2 
Thermal break status error 3 0 
T1 temperature over temperature 3 1 
T2 temperature over temperature 3 2 
T1 sensor status fail 4 1 
T2 sensor status fail 4 2 
Ballast Error Status - Temperature too high5 1 
Ballast Error Status - Lamp voltage too low 5 2 
Ballast...

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Problem: The image is blurred  
1. Adjust the Focus on the projector. 
2. Press the Auto button on the remote control or projector. 
3. Ensure the projector-to-screen distance is within the 10-meter (33-feet) specified range. 
4. Check that the projector lens is clean. 
Problem: The image is wider at the top or bottom (trapezoid effect)  
1. Position the projector so it is as perpendicular to the screen as...

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Audio Problems 
Problem: There is no sound 
1. Adjust the volume on the remote control.  
2. Adjust the volume of the audio source. 
3. Check the audio cable connection. 
4. Test the source audio output with other speakers. 
5. Have the projector serviced. 
Problem: The sound is distorted  
1. Check the audio cable connection. 
2. Test the source audio output with other speakers. 
3. Have the projector serviced....

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Projection Distance V.S. Projection Size 
 
Projection distance and size table (0.7 inches)
 Max. Screen Size (Wide) 1.8 Max. Screen Size (Tele) 2.1 
Projection Distance  L Diagonal Width A Height C Diagonal Width B Height D 
1.00 m 0.69 m 0.56 m 0.42 m 0.60 m 0.48 m 0.36 m 
3.28 ' 27.34 '' 21.87 '' 16.40 '' 23.43 '' 18.75 '' 14.06 '' 
1.50 m 1.04 m 0.83 m 0.63 m...

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Timing Mode Table 
The projector can display several resolutions. The following table outlines the resolutions that can be 
displayed by the projector. 
Signal Resolution Frequency H.
(KHz) 
Frequency V.
(Hz) Video Digital Analog 
NTSC － 15.734 60.0 Ο － － 
PAL/SECAM － 15.625 50.0 Ο － － 
640x350 31.5 70  Ο Ο 
640x350 37.9 85  Ο Ο 
640x40 37.9 85  Ο Ο 
640x480 31.5 60  Ο Ο 
640x480 37.9 72  Ο Ο 
640x480 37.5 75  Ο Ο...

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Projector Dimensions 
 
 
 
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REGULATORY COMPLIANCE 
FCC Warning 
This equipment has been tested and found to comply with the limits for a Class B digital device pur-
suant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection 
against harmful interference when the equipment is operated in a commercial environment. 
This equipment generates, uses, and can radiate radio frequency energy and, if not installed and 
used in accordance with the instruction manual, may cause harmful interference...