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APPENDIX #6 - RS232 REMOTE PROTOCOL
The RS232 / Alarm input allows you to control the DVR system from your PC. In order to
achieve this, you will require an RS232 COM Port communication p rogram installed on your
PC. There are many of these software programs available on the i nternet, some of which are
free.
For Pin Connection instructions, please refer to Appendix # 4
The remote connection on the DVR uses 8 data bits, 1 start bit, and 1 stop bit, no parity.
Below is a list of the control codes.
FUNCTION CODE ASCII FUNCTION CODE ASCII
KEY_MENU
0x4D
M
KEY_PLAY
0x50
P
KEY_SEARCH
0x73
s
KEY_DOWN
0x4E
N
KEY_ENTER
0x0D
ENTER
KEY_RIGHT
0x52
R
KEY_QUAD
0x51
Q
KEY_KEY_LOCK
0x4B
K
KEY_POP
0x5A
Z
KEY_CH1
0x31
1
KEY_PIP
0x70
p
KEY_CH2
0x32
2
KEY_SLOW
0x53
S
KEY_CH3
0x33
3
KEY_REC
0x72
r
KEY_CH4
0x34
4
KEY_LEFT
0x4C
L
TIMER REC PROCEED
0X54
T
KEY_UP
0x55
U
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