Installation Manual
07
ZH420UST Installation Guide
PC Control Codes
RS232 protocol function list
Baud Rate : 9600
Data Bits: 8
Parity: None
Stop Bits: 1
Flow Control : None
UART16550 FIFO: Disable
Write Command
~
X
X
X
X
X
n
CR
Lead Code
Projector ID
Command
space
variable
carriage return
00~99
(00: All projectors)
000~999
0~9999
Response Format
Pass:
P
Fail:
F
Read Command
~
X
X
X
X
X
n
CR
Lead Code
Projector ID
Command
space
variable
carriage return
00~99
(00: All projectors)
000~999
0~9999
Response Format
Pass:
O
k
n
Fail:
F
Variable
System Automatically Send
I
N
F
O
n
Variable
Note:
There is a <CR> after all ASCII commands. 0D is the HEX code for <CR> in ASCII code.
Character to HEX table
Character
HEX
~
7E
0
30
1
31
2
32
3
33
4
34
5
35
6
36
7
37
8
38
9
39
Space
20
CR (Enter)
0D
e.g.
ASCII to HEX
RS232 Command
~
0
0
1
9
5
1
CR
HEX
7E
30
30
31
39
35
20
31
0D
