APPENDIX 6 RS485 PROTOCOL
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APPENDIX 6 RS485 PROTOCOL
Use PC keyboards to simulate DVR keypads.
Data: REMOTE PROTOCOL uses 8 bit data, 1 start bit, 1 stop bit.
FUNCTION
CODE
ASCII
FUNCTION
CODE
ASCII
KEY_MENU
0x4D M
KEY_SET_CHANNEL 0x6e n
KEY_ENTER 0x0D
ENTER
KEY_DWELL 0x65
e
KEY_PLUS 0x6b
k
KEY_CH1 0x31
1
KEY_MINUS 0x6d
m
KEY_CH2
0x32
2
KEY_UP 0x55
U
KEY_CH3
0x33
3
KEY_DOWN
0x4E
N KEY_CH4
0x34
4
KEY_LEFT 0x4C
L
KEY_CH5 0x35
5
KEY_RIGHT 0x52
R
KEY_CH6
0x36
6
KEY_POWER 0x57
W
KEY_CH7
0x37
7
KEY_REC 0x72
r
KEY_CH8 0x38
8
KEY_PLAY 0x50
P
KEY_CH9 0x39
9
KEY_SLOW
0x53 S
KEY_CH10
0x41 A
KEY_ZOOM
0x5A z
KEY_CH11
0x42 B
KEY_KEY LOCK
0x4B
K
KEY_CH12
0x43
C
KEY_AUDIO 0x64
d
KEY_CH13 0x44
D
KEY_SEARCH 0x73
S
KEY_CH14
0x45
E
KEY_PTZ_MODE 0x70
p
KEY_CH15
0x46
F
KEY_PTZ_PRESET 0x71
q
KEY_CH16
0x47
G
KEY_PTZ_ZOOM_IN 0x69
i
KEY_EJECT_DVD
0x6a
j
KEY_PTZ_ZOOM_OUT 0x66 f
KEY_IRIS_NEAR
0x67 g
KEY_MODE 0x6f
o
KEY_IRIS_FAR
0x68
h
KEY_4 CUT
0x61
a
KEY_PTZ_LIGHT
0x6c
l
KEY_9 CUT
0x62
b
KEY_PTZ_WIPER
0x77
w
KEY_16 CUT
0x63
c