Vivitek D755wt User Manual

DLP Projector—User’s Manual 
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LED Error Messages 
ERROR CODE MESSAGES POWER LED 
GREEN 
LAMP LED 
RED 
TEMP LED 
RED 
System Initial  Flashing OFF OFF 
Ready to Power on (Standby)  ON OFF  OFF 
System Power on  Flashing OFF OFF 
Lamp Lit , System stable  ON OFF  OFF 
Cooling Flashing  OFF OFF 
Over Temperature  ON OFF  ON 
Thermal Break Sensor error  4 blinks OFF OFF 
Lamp Fail  5 blinks ON OFF 
Lamp Temperature shut down  5 blinks 1 blinks  OFF 
Lamp Short circuit in output detected  5 blinks 2...

DLP Projector—User’s Manual 
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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 control to correct the problem. 
Problem: The image is reversed  
Check the  Projection setting on the  Settings 1 menu of the OSD. 
Problem: The image is streaked  
1. Set the  Frequency  and Tracking  settings on the  Image->Computer menu of the OSD 
to the default settings....

DLP Projector—User’s Manual 
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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. 
Having the Projector Serviced 
If you are unable to solve the problem, you should  have the projector serviced. Pack the projector 
in the original carton. Include a description of t...

DLP Projector—User’s Manual 
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HDMI Q & A 
Q. What is the difference between a “Standard” HDMI cable and a “High-Speed” 
HDMI cable? 
1.  Recently, HDMI Licensing, LLC announc ed that cables would be tested as Standard 
or High-Speed cables.  
2.  ˙Standard (or “category 1”) HDMI cables hav e been tested to perform at speeds of 
75Mhz or up to 2.25Gbps, which is the equivalent of a 720p/1080i signal.  
3.  ˙High Speed (or “category 2”) HDMI cables hav e been tested to perform at speeds of 
340Mhz or...

DLP Projector—User’s Manual 
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SPECIFICATIONS 
Specifications 
Model  D75XXWT Series (WXGA) D75XXST Series (XGA) 
Display type  DMD 0.65 WXGA DMD 0.55 XGA 
Resolution WXGA 1280 x 800 Native XGA 1024 x 768 Native 
Projection distance  336~421mm 371~417mm 
Projection screen size 16:10 (80”~100”) 4:3 (68~85”) 
Projection lens  Fix 
Throw ratio 0.35 : 1  0.437 : 1 
Vertical keystone correction  +/- 40 degrees 
Projection methods Front, Rear, Desktop/Ceiling (Rear, Front) 
Data compatibility  VGA, SVGA,...

DLP Projector—User’s Manual 
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Specifications 
Model  D75XXWTi Series (WXGA) 
Display type  DMD 0.65 WXGA 
Resolution WXGA 1280 x 800 Native 
Projection distance  336~421mm 
Projection screen size 16:10 (80”~100”) 
Projection lens  Fix 
Throw ratio 0.35 : 1 
Vertical keystone correction +/- 40 degrees 
Projection methods Front, Rear, Desktop/Ceiling (Rear, Front) 
Data compatibility  VGA, SVGA, XGA, SXGA, UXGA, Mac 
SDTV/EDTV/ HDTV 480i, 576i, 480p, 576p, 720p, 1080i, 1080p 
Video compatibility...

DLP Projector—User’s Manual 
Projection Distance vs. Projection Size 
   
 
D75XXWT  / D75XXST  / D75XXWTi Series 
 
Projection Distance and Size Table  
D75XXWT / D75XXWTi Series  
WXGA  
16:10 
Diagonal 80  87 97 100 
Distance  282.3+/-20mm 336.3+/-20mm  421.4+/-20mm 445.8+/-20mm 
Image Width  1723mm 1869mm  2088mm 2154mm 
Image height  1077mm 1168mm  1305mm 1346mm 
H  280+/-50mm 298.5+/-50mm  325.5+/-50mm 336.9+/-50mm 
 
D75XXST Series 
XGA  
4:3 
Diagonal  68 78  82 85 
Distance 282.3+/-20mm...

DLP Projector—User’s Manual 
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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 H-SYNC
( KHZ )
V-SYNC
( HZ ) 
COMPOSITE
S_VIDEO COMPONENT RGB 
(ANALOG)
DP/HDMI
(DIGITAL)
NTSC  － 
15.7 60.0  ○  － 
－ － 
PAL/SECAM  － 
15.6 50.0  ○  － 
－ － 
640 x 400  37.9 85.1  － 
－ 
○  ○ 
720 x 400 31.5 70.1 － － ○ ○ 
720 x 400 37.9 85.0 － － ○ ○ 
640 x 480  31.5 60.0  － 
－ 
○  ○ 
640 x 480  37.9...

DLP Projector—User’s Manual 
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SIGNAL RESOLUTION H-SYNC
( KHZ )
V-SYNC
( HZ ) 
COMPOSITE
S_VIDEO COMPONENT RGB 
(ANALOG)
DP/HDMI
(DIGITAL)
1600 x1200 75.0 60.0 － － ○ ○ 
1680 x 1050 64.7 59.9 － － ○ ○ 
1680 x 1050 65.3 60.0 － － ○ ○ 
1920 x 1200 74.0 60.0 － － ○ ○ 
1920 x 1080 67.5 60.0 － － ○ ○ 
640 x 480  35.0 66.7  － 
－ 
○  ○ 
832 x 624  49.7 74.5  － 
－ 
○  ○ 
1024 x 768  60.2 74.9  － 
－ 
○  ○ 
Apple 
Macintosh 
1152 x 870 68.7 75.1 － － ○ ○ 
480i 15.7 60.0 － ○ － ○ SDTV 576i 15.6 50.0 － ○ － ○ 
576p...

DLP Projector—User’s Manual 
Projector Dimensions ( D75XXWT  / D75XXST Series ) 
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160.0
122.58
374.51