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
ag
Action
Type
Setting
code
L
H
L
H
L
H
L
H
L
H
L
H
<SET>Change setting to
desired value [(cL)(cH)]
by [(eL)(eH)].
BEh EFh
03h
06h 00h
(aL)
(aH)
01h 00h (bL)
(bH)
(cL)
(cH)
<GET>Read projector
internal setup value [(bL)
(bH)] .
(aL)
(aH)
02h 00h (bL)
(bH)
00h 00h
<INCREMENT>
Increment setup value
[(bL)(bH)] by 1.
(aL)
(aH)
04h 00h (bL)
(bH)
00h 00h
<DECREMENT>
Decrement setup value
[(bL)(bH)] by 1.
(aL)
(aH)
05h 00h (bL)
(bH)
00h 00h
<EXECUTE> 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
ag]
For byte number
5, 6,
refer to
RS-232C Communication command table
.
[Action]
Set functional code to byte number 7, 8.
<SET
> = [01h, 00h], <
GET
> = [02h, 00h], <INCREMENT> =
[04h, 00h]
<
DECREMENT> = [05h, 00h], <EXECUTE> = [06h, 00h]
Refer
to
the
command table above.
[Type], [Setting code]
For byte number
9
〜
12
, refer to
RS-232C Communication command table
.
