BenQ Projector MW571 User Manual

Maintenance 51 16. Connect the power and restart the projector.
Do not turn the power on with the lamp cover removed. 
Resetting the lamp timer
17. After the startup logo, open the On-Screen Display (OSD) menu. Go to the 
SYSTEM SETUP: Advanced > Lamp Settings menu. Press MODE/ENTER. 
The Lamp Settings page appears. Highlight Reset Lamp Timer. A warning 
message appears asking if you want to reset the lamp timer. Highlight Reset and 
press MODE/ENTER. The lamp time will be reset to “0”.
Do not reset if...

Maintenance 52
Indicators
LightStatus & Description
Powe r  ev e n t s
Orange Off OffStand-by mode
Green 
FlashingOff OffPowering up
Green Off OffNormal operation
Orange
FlashingOff OffNormal power-down cooling
Red FlashingRed 
FlashingRed 
FlashingDownload
Green Off RedCW start fail
Red Flashing Off OffScaler shutdown fail (data abort)
Red Off RedScaler reset fail
Off Red OffLAN download fail
Off Green OffLAN download processing
Green Off OffBurn-in ON
Green Green GreenBurn-in OFF
Lamp events
Off Off...

Troubleshooting 53
Troubleshooting
The projector does not turn on.
No picture
Blurred image
Remote control does not work
The password is incorrect
CauseRemedy
There is no power from the power cord.Plug the power cord into the AC power jack on 
the projector, and plug the power cord into the 
power outlet. If the power outlet has a switch, 
make sure that it is switched on.
Attempting to turn the projector on again 
during the cooling process.Wait until the cooling down process has 
completed....

Specifications 54
Specifications
Projector specifications
All specifications are subject to change without notice.
Optical
Resolution
1280 x 800 WXGA
Display system
1-CHIP DMD
Lens F/Number
F = 2.59 ~ 2.87, f = 16.88 ~ 21.88 mm
Clear focus range
1.57 ~ 4.71 m @ Wide,
2.04 ~ 6.12 m @ Tele
Lamp
190 W lamp
Electrical
Power supply
AC100–240V, 2.7 A, 50–60 Hz (Automatic)
Power consumption
290 W (Max); < 0.5 W (Standby);
< 3 W (Network standby)
Mechanical
Weight
2.0 Kg (4.41 lbs)
Output terminals
RGB output...

Specifications 55
Dimensions
283 mm (W) x 95 mm (H) x 222 mm (D)
Ceiling mount installation
283
222
95
Unit: mm 59.554.46
59.5
54.46
207.54
71.75
201.55
71.654.93
105.77
625.86
128.9 81.9
577.7
537.9
44.94
104.42
225.4
Ceiling Mount screw: M4
(Max L = 25 mm; Min L = 20 mm)
Unit: mm 

Specifications 56
Timing chart
Supported timing for PC input
•  *Supported timing for 3D signal in Frame Sequential, Top Bottom and Side by Side formats.
**Supported timing for 3D signal in Frame Sequential format.
***Supported timing for 3D signal in Top Bottom and Side by Side formats.
ResolutionMode
Ve r t i c a l  
Frequency 
(Hz)Horizontal 
Frequency 
(kHz)Pixel 
Frequency
(MHz)
640 x 480VGA_60* 59.940 31.469 25.175
VGA_72 72.809 37.861 31.500
VGA_75 75.000 37.500 31.500
VGA_85 85.008 43.269 36.000...

Specifications 57
•  The timings showing above may not be supported due to EDID file and VGA graphic card limitations. It is 
possible that some timings cannot be chosen.
Supported timing for HDMI (HDCP) input
ResolutionMode
Ve r t i c a l  
Frequency 
(Hz)Horizontal 
Frequency 
(kHz)Pixel 
Frequency
(MHz)
640 x 480VGA_60* 59.940 31.469 25.175 
VGA_72 72.809 37.861 31.500 
VGA_75 75.000 37.500 31.500 
VGA_85 85.008 43.269 36.000 
720 x 400 720 x 400_70 70.087 31.469 28.3221
800 x 600SVGA_60* 60.317...

Specifications 58
•  *Supported timing for 3D signal in Frame Sequential, Top Bottom and Side by Side formats.
**Supported timing for 3D signal in Frame Sequential format.
***Supported timing for 3D signal in Top Bottom and Side by Side formats.
•  The timings showing above may not be supported due to EDID file and VGA graphic card limitations. It is 
possible that some timings cannot be chosen.
*Supported timing for 3D signal in Frame Sequential format.
**Supported timing for 3D signal in Frame Packing,...

Specifications 59
Supported timing for Component-YPbPr input
•  *Supported timing for 3D signal in Frame Sequential format.
•  Displaying a 1080i(1125i)@60Hz or 1080i(1125i)@50Hz signal may result in slight image vibration.
TimingResolutionVe r t i c a l  
Frequency (Hz)Horizontal 
Frequency (kHz)Pixel Frequency 
(MHz)
480i* 720 x 480 59.94 15.73 13.5
480p* 720 x 480 59.94 31.47 27
576i 720 x 576 50 15.63 13.5
576p 720 x 576 50 31.25 27
720/50p 1280 x 720 50 37.5 74.25
720/60p* 1280 x 720 60 45.00 74.25...

Specifications 60
Supported timing for Video and S-Video inputs
*Supported timing for 3D signal in Frame Sequential format.
Video modeHorizontal 
Frequency (kHz)Ve r t i c a l  F r e q u e n c y  
(Hz)Color sub-carrier 
Frequency (MHz)
NTSC* 15.73 60 3.58
PAL 15.63 50 4.43
SECAM 15.63 50 4.25 or 4.41
PAL-M 15.73 60 3.58
PAL-N 15.63 50 3.58
PAL-60 15.73 60 4.43
NTSC4.43 15.73 60 4.43