ViewSonic Projector LS820 User Manual

54
HDMI
Signal Resolution 
(pixels) Aspect Ratio
Refresh rate (Hz)
VGA 640x480 4:360
SVGA 800x600 4:360
XGA 1024x768 4:360
WXGA 1280x768
15:9 60
1280x800 16:10 60
1360x768 16:9 60
Quad-VGA 1280x960 4:360
SXGA 1280x1024 5:460
SXGA+ 1400x1050 4:360
WXGA+ 1440x900 16:10 60
WSXGA+ 1680x1050 16:10 60
HDTV(1080p) 1920x1080 16:950/60
HDTV (1080i) 1920x1080 16:950/60
HDTV (720p) 1280x720 16:950/60
SDTV(480p) 720x4804:3/16:9 60
SDTV(576p) 720x5764:3/16:9 50
SDTV (480i) 720x4804:3/16:9 60
SDTV (576i)...

55
3D	(including	HDMI	signal)
Signal Resolution 
(pixels) Aspect Ratio
Refresh rate (Hz)
SVGA 800x600 4:360*/120**
XGA 1024x768 4:360*/120**
HD 1280x720 16:960*/120**
WXGA 1280x800 16:960*/120**
For Video Signal
Signal Resolution 
(pixels) Aspect Ratio
Refresh rate (Hz)
SDTV (480i)*** 720x4804:3/16:9 60
*	60	Hz	signals	are	supported	for	parallel,	up-down,	and	frame	sequence	formats.	  
** 120Hz signals are only supported for frame sequence formats.  
***	Video	signal	(SDTV	480i)	is	only	supported	for...

56
Component video
Signal Resolution 
(pixels) Aspect Ratio
Refresh rate (Hz)
HDTV (1080p) 1920x1080 16:950/60
HDTV (1080i) 1920x1080 16:950/60
HDTV (720p) 1280x720 16:950/60
SDTV (480p) 720x4804:3/16:9 60
SDTV (576p) 720x5764:3/16:9 50
SDTV (480i) 720x4804:3/16:9 60
SDTV (576i) 720x5764:3/16:9 50
Composite video
Signal Aspect Ratio Refresh rate (Hz)
NTSC 4:360
PA L 4:350
PAL60 4:360
SECAM 4:350  

57
Copyright information
Copyright
Copyright 2015 All rights reserved. No part of this publication may be reproduced, tran\
smitted, transcribed, 
stored in a retrieval system or translated into any language or computer\
 language, in any form or by any 
means, electronic, mechanical, magnetic, optical, chemical, manual or ot\
herwise, without the prior written 
permission of ViewSonic.
Disclaimer
ViewSonic does not make any statement or warranty, expressed or implied, for the merchantability and...

58
Appendix
IR control table
ButtonFormat Byte1Byte2Byte3Byte4
PgDn NEC X3F405FA
PgUp NEC X3F406F9
Blank NEC X3F407F8
Auto sync NECX3F408F7
Up NEC X3F40B F4
Down NEC X3F40C F3
Left NEC X3F40E F1
Right NEC X3F40FF0
Color Mode NECX3F410EF
Mute NEC X3F414EB
Enter NEC X3F415EA
Power ON NECX3F417E8
Presentation Timer NECX3F427D8
Exit NEC X3F428D7
Eco Mode NECX3F42BD4
Menu NEC X3F430CF
Mouse NECX3F431CE
Mouse Left NECX3F436C9
Mouse Right NECX3F437C8
Source NECX3F440BF
Pattern NECX3F455AA
My button NECX3F456A9...

5959
Address Code
Code 183F4
Code 2 93F4
Code 3 A3F4
Code 4 B3F4
Code 5 C3F4
Code 6 D3F4
Code 7 E3F4
Code 8 F3F4
RS232 command table
＜Pin assignment for this two end＞
PinDescription PinDescription
1 NC 2RX
3 TX 4NC
5 GND 6NC
7 RTSZ 8CTSZ
9 NC
＜Interface＞
RS-232 protocol
Baud Rate 19200bps (default)
Data Length 8 bit
Parity check None
Stop bit 1 bit
flow control None 

60

6161
Projector PositionWriteFront Table
0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x00 0x00 0x5E
Rear Table 0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x00 0x01 0x5F
Real ceiling 0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x00 0x02 0x60
Front ceiling 0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x00 0x03 0x61
Read Projector Position 
status 0x07 0x14 0x00 0x05 0x00 0x34 0x00 0x00 0x12 0x00 0x5F
3D Sync Write Off
0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x20 0x00 0x7E
Auto 0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x20 0x01 0x7F
Frame Sequential 0x06...

62
Aspect ratioWriteAspect  ratio Auto
0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x04 0x00 0x62
Aspect ratio 4:3 0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x04 0x02 0x64
Aspect ratio 16:9 0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x04 0x03 0x65
Aspect ratio 16:10 0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x04 0x04 0x66
Aspect  ratio Anamorphic  0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x04 0x05 0x67
Aspect ratio Wide 0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x04 0x06 0x68
Aspect ratio 2.35:1 0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x04 0x07 0x69...

6363
Keystone 
Correction -  Horizontal Write
Decrease
0x06 0x14 0x00 0x04 0x00 0x34 0x11 0x31 0x00 0x8E
Increase 0x06 0x14 0x00 0x04 0x00 0x34 0x11 0x31 0x01 0x8F
Read Keystone Correction 
status 0x07 0x14 0x00 0x05 0x00 0x34 0x00 0x00 0x11 0x31 0x8F
Color mode WriteBrightest
0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x0B 0x00 0x69
Movie 0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x0B 0x01 0x6A
Standard 0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x0B 0x04 0x6D
ViewMatch 0x06 0x14 0x00 0x04 0x00 0x34 0x12 0x0B 0x05 0x6E...