ViewSonic PJL9371 Guide De L'utilisateur page 72

Communicaion settings
1. Protocol
900bps,8N
2. Command format
Byte Number
Command
Acton
<SET>Change settng to
desred value [(cL)(cH)]
by [(eL)(eH)].
<GET>Read projector
nternal setup value
[(bL)(bH)] .
<INCREMENT>
Increment setup value
[(bL)(bH)] by .
<DECREMENT>
Decrement setup value
[(bL)(bH)] by .
<EXECUTE> Run a
command [(bL)(bH)].
[Header code] [Packet] [Data size]
Set [BEh, EFh, 03h, 06h, 00h] to byte number 0 ~ 4.
[CRC flag]
For byte number
[Action]
Set functonal code to byte number 7, 8.
<SET> = [0h, 00h], <GET> = [0h, 00h], <INCREMENT> = [04h, 00h]
<DECREMENT> = [05h, 00h], <EXECUTE> = [06h, 00h]
Refer to the Communcaton command
[Type] [Setting code]
For byte number
ViewSonic
("h" shows hexadecmal)
0  
Header
Header
code
Packet
L H
BEh EFh 03h
5, 6, RS-3C Communcaton command
refer to
9 ～ 
RS-3C Communcaton command
, refer to
RS-232C Communication (continued)
3 4 5 6
Data CRC
sze flag
L H L H
(aL) (aH) 0h 00h (bL) (bH) (cL) (cH)
(aL) (aH) 0h 00h (bL) (bH) 00h 00h
06h 00h
(aL) (aH) 04h 00h (bL) (bH) 00h 00h
(aL) (aH) 05h 00h (bL) (bH) 00h 00h
(aL) (aH) 06h 00h (bL) (bH) 00h 00h
table.
67
7 8 9 0 
Data
Settng
Acton Type
L H L H
table.
table.
PJL9371

code
L H