Vivitek Projector DX881ST User Manual

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Projection Distance vs. Projection Size (DX813/DW814 Series) 
            
Projection Distance and Size Table 
XGA 
DX813 
IMAGE DIAGONAL IMAGE WIDTH IMAGE HEIGHT PROJECTION DISTANCE OFFSET-A 
INCH CM INCH CM INCH CM INCH  MM  
25.6 52.0 20.5 39.0 15.4 99.9 39.3 54 
64.1 130.2 51.3 97.6 38.4 250.0 98.4 136 
102.5 208.3 82.0 156.3 61.5 400.0 157.5 217 
141.0 286.5 112.8 214.9 84.6 550.1 216.6 299 
179.5 364.7 143.6 273.5 107.7 700.2 275.7 380 
217.9 442.8 174.3 332.1 130.8 850.3 334.7 462 
256.4...

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Timing Mode Table 
SIGNAL RESOLUTION H-SYNC  
(KHZ) 
V-SYNC 
(HZ) 
COMPOSITE 
/ S-VIDEO COMPONENT RGB DVI/ 
HDMI 
NTSC － 15.734 60.0 O － － － 
PAL/SECAM － 15.625 50.0 O － － － 
VESA 
720 x 400 37.9 85.0 － － O O 
640 x 480 31.5 60.0 － － O O 
640 x 480 37.9 72.8 － － O O 
640 x 480 37.5 75.0 － － O O 
640 x 480 43.3 85.0 － － O O 
800 x 600 35.2 56.3 － － O O 
800 x 600 37.9 60.3 － － O O 
800 x 600 46.9 75.0 － － O O 
800 x 600 48.1 72.2 － － O O 
800 x 600 53.7 85.1 － － O O 
800 x 600 76.3 120.0 － － O O...

— 64 — 
SIGNAL RESOLUTION H-SYNC  
(KHZ) 
V-SYNC 
(HZ) 
COMPOSITE 
/ S-VIDEO COMPONENT RGB DVI/ 
HDMI 
1280 x 960 60.0 60.0 － － O O 
1280 x 960 85.9 85.0 － － O O 
1400 x 1050 65.3 60.0 － － O O 
1440 x 900 70.6 75.0 － － O O 
1440 x 900 55.9 60.0 － － O O 
1600 x1200 75.0 60 － － O O 
Apple Mac 
640 x 480 35.0 66.7 － － O O 
832 x 624 49.7 74.5 － － O O 
1024 x 768 60.2 74.9 － － O O 
1152 x 870 68.7 75.1 － － O O 
SDTV 
480i 15.734 60.0 － O － O 
576i 15.625 50.0 － O － O 
EDTV 
576p 31.3 50.0 － O － O 
480p 31.5...

– 65 – 
Projector Dimensions 
DX881ST/DW882ST Series 
 
 
DX813/DW814 Series 
 314mm
[12.362]
216mm
[8.504]
126mm
[4.961]
111.5mm
[4.39] 216mm
[8.504]
126mm
[4.961]
314mm
[12.362]  

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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 
pursuant 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 to...

– 67 – 
APPENDIX I 
RS-232C Protocol 
RS232 Setting 
Baud rate: 9600 
Parity 
check: None 
Data bit: 8 
Stop bit: 1 
Flow 
Control None 
Minimum delay for next command: 1ms 
Control Command Structure        
                  Header code Command code Data code End code 
HEX  Command Data 0Dh 
ASCII ‘V’ Command Data CR 
Operation Command 
Note: 
CR mean Carriage Return 
XX=00-98, projectors ID, XX=99 is for all projectors 
Return Result P=Pass / F=Fail 
n: 0:Disable/1: Enable/Value(0~9999)  
  
Command...

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Command Group 01 
ASCII HEX Function Description Return 
Value 
VXXG0101 56h Xh Xh 47h 30h 31h 30h 31h 0Dh Get Brightness n=0~100 Pn/F 
VXXS0101n 56h Xh Xh 53h 30h 31h 30h 31h nh 0Dh Set Brightness n=0~100 P/F 
VXXG0102 56h Xh Xh 47h 30h 31h 30h 32h 0Dh Get Contrast n=0~100 Pn/F 
VXXS0102n 56h Xh Xh 53h 30h 31h 30h 32h nh 0Dh Set Contrast n=0~100 P/F 
VXXG0103 56h Xh Xh 47h 30h 31h 30h 33h 0Dh Get Color n=0~100 Pn/F 
VXXS0103n 56h Xh Xh 53h 30h 31h 30h 33h nh 0Dh Set Color n=0~100 P/F 
VXXG0104...

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Command Group 02 
ASCII HEX Function Description Return 
Value 
VXXG0220 56h Xh Xh 47h 30h 32h 32h 30h 0Dh Get Current Source 
Return 
1:RGB 
2:RGB2 
3:DVI 
4:Video 
5:S-Video 
6:HDMI 
7:BNC 
8:Component 
9:HDMI 2(MEDIA) 
Pn/F 
 
Command Group 03 
ASCII HEX Function Description Return 
Value 
VXXG0301 56h Xh Xh 47h 30h 33h 30h 31h 0Dh Get Scaling 
0:Fill 
1:4:3 
2:16:9 
3:Letter Box 
4:Native 
5:2.35:1 
Pn/F 
VXXS0301n 56h Xh Xh 53h 30h 33h 30h 31h nh 0Dh Set Scaling 
0:Fill 
1:4:3 
2:16:9...

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Command Group 03 
ASCII HEX Function Description Return 
Value 
VXXS0309n 56h Xh Xh 53h 30h 33h 30h 39h nh 0Dh Set vertical keystone 
value n=-40~+40 P/F 
VXXG0310 56h Xh Xh 47h 30h 33h 31h 30h 0Dh Set horizontal 
keystone value n=-20~+20 Pn/F 
VXXS0310n 56h Xh Xh 53h 30h 33h 31h 30h nh 0Dh Set horizontal 
keystone value n=-20~+20 P/F 
VXXG0311 56h Xh Xh 47h 30h 33h 31h 31h 0Dh Adjust the zoom n=-10~+10 Pn/F 
VXXS0311n 56h Xh Xh 53h 30h 33h 31h 31h nh 0Dh Adjust the zoom n=-10~+10 P/F 
VXXG0312...

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Command Group 03 
ASCII HEX Function Description Return 
Value 
VXXS0334n 56h Xh Xh 47h 30h 33h 31h 37h nh 0Dh Set the R offset n=-100~100 Pn/F 
VXXG0335 56h Xh Xh 47h 30h 33h 31h 39h 0Dh Get the G offset n=-100~100 Pn/F 
VXXS0335n 56h Xh Xh 53h 30h 33h 31h 39h nh 0Dh Set the G offset n=-100~100 P/F 
VXXG0336 56h Xh Xh 47h 30h 33h 32h 32h 0Dh Get the B offset n=-100~100 Pn/F 
VXXS0336n 56h Xh Xh 53h 30h 33h 32h 32h nh 0Dh Set the B offset n=-100~100 P/F 
VXXG0337 56h Xh Xh 47h 30h 33h 33h 37h 0Dh...