Rs-232c transmission spec, Rs-232c communication format, Rs-232c command table – AVer 300AF user manual User Manual
Page 27
USER MANUAL
21
R
R
S
S
-
-
2
2
3
3
2
2
C
C
T
T
r
r
a
a
n
n
s
s
m
m
i
i
s
s
s
s
i
i
o
o
n
n
S
S
p
p
e
e
c
c
Star bit
：
1 bit
Data bit
：
8 bit
Stop bit
：
1 bit
Parity bit
：
None
X parameter
：
None
Baud rate(Communication speed)
：
9600bps
R
R
S
S
-
-
2
2
3
3
2
2
C
C
C
C
o
o
m
m
m
m
u
u
n
n
i
i
c
c
a
a
t
t
i
i
o
o
n
n
F
F
o
o
r
r
m
m
a
a
t
t
Start Code(1 Byte)
: 0xFF
Type Code(1 Byte)
: 0x70
DataLength Code(1 Byte) : 0x01
Data Code(1 Byte)
: See the Command Table for reference.
CheckSum Code(1 Byte)
: See the Command Table for reference.
Format
: Start + Type + DataLength + Data + CheckSum
Example
: 0xFF + 0x70 + 0x01+ 0x80 + 0xF1 (Command Power)
R
R
S
S
-
-
2
2
3
3
2
2
C
C
C
C
o
o
m
m
m
m
a
a
n
n
d
d
T
T
a
a
b
b
l
l
e
e
FUNCTION
DATA CODE
CHECKSUM CODE
POWER 0x80
0xF1
CAPTURE 0x90
0xE1
TIMER 0x8A
0xFB
NIGHT VIEW
0x8E
0xFF
FREEZE 0x91
0xE0
MODE
SELECTION
MODE
SELECTION
CAMERA 0x83
0xF2
PC 0x82
0xF3
PREVIEW 0x81
0xF0
PREVIEW MODE
DELETE 0x88
0xF9
PAGE UP
0x8D
0xFC
PAGE
DOWN
0x8F 0xFE
ZOOM
IN 0x9A
0xEB
OUT 0x9C
0xED
ZOOM
RESET
0x98 0xE9