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Appendix #3, Appendix #3 – – rs rs protocol 232 protocol – ARM Electronics RT4CD User Manual

Page 55

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APPENDIX #3

APPENDIX #3

APPENDIX #3

APPENDIX #3

RS

RS

-

-

232 PROTOCOL

232 PROTOCOL

1) Use PC keyboards to simulate DVR keypads.

2) Data: REMOTE PROTOCOL use 8 bit data, 1 start bit, 1 stop bit.

52

2

0x32

KEY_CH2

1

0x31

KEY_CH1

3

0x33

KEY_CH3

4

0x34

KEY_CH4

K

0x4B

KEY_KEY LOCK

W

0x57

KEY_POWER

R

0x52

KEY_RIGHT

N

0x4E

KEY_DOWN

P

0x50

KEY_PLAY

U

0x55

KEY_UP

L

0x4C

KEY_LEFT

r

0x72

KEY_REC

S

0x53

KEY_SLOW

z

0x5A

KEY_ZOOM

a

0x61

KEY_4 CUT

ENTER

0x0D

KEY_ENTER

M

0x4D

KEY_MENU

ASCII

CODE

FUNCTION

ACT

C0H

ID FUNCTION

STOP

(FFH)

(7FH)