Vivitek D927tw Projector User Manual

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LED Error Messages 
ERROR CODE MESSAGES POWER LED
BLINK 
READY LED 
BLINK 
TEMP LED 
BLINK 
Over temperature OFF OFF ON 
G794 fail 4 4 OFF 
T1 fail 4 5 OFF 
Lamp error 5 OFF OFF 
Ballast Over Temperature 5 1 OFF 
Ballast shot circuit in output detected 5 2 OFF 
End of lamp lift detected 5 3 OFF 
Ballast lamp did not...

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– 46 –  
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 possible.  
2. Use the  Keystone button on the remote...

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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...

— 48 — 
SPECIFICATIONS 
Specifications 
Model 
D935VX D940VX/D945VX D930TX D925TX  D927TW 
Display type TI DMD 0.55”  
XGA  TI DMD 0.7”  
XGA  TI DMD 0.55” 
 XGA  TI DMD 0.65” 
 WXGA 
Native Resolution   XGA 1024x768  XGA 1024x768  XGA 1024x768  WXGA 1280x800
Weight  3.5 kg (7.7 lbs)  3.6 kg (7.9 lbs) 
Projection distance 1 meters ~ 10 meters  0.5 meters ~ 5 meters 
Projection screen size 22.5”~300” 23.4”~300”  38”~380”  44.4”~444”  
Projection lens  Manual Focus/Manual Zoom  Manual Focus 
Zoom ratio...

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Projection Distance vs. Projection Size 
 
D9 SERIES Projection Distance and Size Table 
D935VX TELE WIDE 
Distance (m)  1.34  3.58  4. 47 8.94 1.54 3.09 3.86 11.58 
Diagonal (inches)  30  80  100  200  40  80  100  300 
Keystone (degree)  12.3  12.3 12.3 12.3 14.2 14.2 14.2 14.2 
Image Height (mm)  457.2  1219.2...

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D9 SERIES  Timing Mode Table 
The projector can display several resolutions. The  following table outlines the resolutions that can be 
displayed by the projector. 
SIGNAL RESOLUTION H-SYNC  
(KHZ) 
V-SYNC
(HZ) 
COMPOSITE 
/ S-VIDEOCOMPONENT RGB 
(ANALOG) 
DVI/ 
HDMI 
(DIGITAL)
NTSC — 15.734 60.0 O  — 
－  － 
PAL/SECAM — 15.625...

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SIGNAL RESOLUTION H-SYNC  
(KHZ) 
V-SYNC
(HZ) 
COMPOSITE 
/ S-VIDEOCOMPONENT RGB 
(ANALOG) 
DVI/ 
HDMI 
(DIGITAL)
720p 37.5 50.0 — O — O 
720p 45.0 60.0 — O — O 
1080i 33.8 60.0 — O — O 
1080i 28.1 50.0 — O — O 
1080p 67.5 60.0 — O — O 
HDTV 
1080p 56.3 50.0 — O — O 
O: Frequency supported 
—: Frequency not supported...

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Projector Dimensions 
 
 
 
 
– 52 –   

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 lim its are designed to provide reasonable protection 
against harmful interference when the equipm ent 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, ma y cause harmful interference to...