Dukane projector 8789H - Manual (Page 9)

9
RS-232C Communication (continued)
Communication settings
1. Protocol
19200bps,8N1
2. Command format ("h" shows hexadecimal)
Byte Number 0 1 2 3 4 5 6 7 8 9 10 11 12
Command
Action
Header Data
Header
code
Packet
Data
size
CRC
flag
Action Type
Setting
code
L H L H L H L H L H L H
Change setting to
desired value [(cL)(cH)]
by [(eL)(eH)].
BEh EFh 03h 06h 00h
(aL) (aH) 01h 00h (bL) (bH) (cL) (cH)
Read projector
internal setup value [(bL)
(bH)] .
(aL) (aH) 02h 00h (bL) (bH) 00h 00h
Increment setup value
[(bL)(bH)] by 1.
(aL) (aH) 04h 00h (bL) (bH) 00h 00h
Decrement setup value
[(bL)(bH)] by 1.
(aL) (aH) 05h 00h (bL) (bH) 00h 00h
Run a
command [(bL)(bH)].
(aL) (aH) 06h 00h (bL) (bH) 00h 00h
[Header code], [Packet], [Data size]
Set [BEh, EFh, 03h, 06h, 00h] to byte number 0 ~ 4.
[CRC flag]
For byte number 5, 6, refer to RS-232C Communication command table .
[Action]
Set functional code to byte number 7, 8.
= [01h, 00h], = [02h, 00h], = [04h, 00h]
= [05h, 00h], = [06h, 00h]
Refer to the command table above.
[Type], [Setting code]
For byte number 9 ～ 12 , refer to RS-232C Communication command table .