APPENDIX #3
APPENDIX #3 – RS-232 PROTOCOL
1)Use PC keyboards to simulate DVR keypads.
2)Data: REMOTE PROTOCOL use 8 bit data, 1 start bit, 1 stop bit.
ACT | C0H | ID | FUNCTION |
| STOP | ||
(FFH) |
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| (7FH) |
FUNCTION | CODE | ASCII |
| FUNCTION |
| CODE | ASCII |
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KEY_MENU | 0x4D | M |
| KEY_DWELL |
| 0x65 | e |
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KEY_ENTER | 0x0D | ENTER |
| KEY_CH1 |
| 0x31 | 1 |
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KEY_PLUS | 0x6b | k |
| KEY_CH2 |
| 0x32 | 2 |
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KEY_MINUS | 0x6d | m |
| KEY_CH3 |
| 0x33 | 3 |
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KEY_UP | 0x55 | U |
| KEY_CH4 |
| 0x34 | 4 |
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KEY_DOWN | 0x4E | N |
| KEY_CH5 |
| 0x35 | 5 |
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KEY_LEFT | 0x4C | L |
| KEY_CH6 |
| 0x36 | 6 |
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KEY_RIGHT | 0x52 | R |
| KEY_CH7 |
| 0x37 | 7 |
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KEY_POWER | 0x57 | W |
| KEY_CH8 |
| 0x38 | 8 |
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KEY_REC | 0x72 | r |
| KEY_CH9 |
| 0x39 | 9 |
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KEY_PLAY | 0x50 | P |
| KEY_CH10 |
| 0x41 | A |
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KEY_SLOW | 0x53 | S |
| KEY_CH11 |
| 0x42 | B |
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KEY_ZOOM | 0x5A | z |
| KEY_CH12 |
| 0x43 | C |
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KEY_KEY LOCK | 0x4B | K |
| KEY_CH13 |
| 0x44 | D |
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KEY_AUDIO | 0x64 | d |
| KEY_CH14 |
| 0x45 | E |
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KEY_SEARCH | 0x73 | S |
| KEY_CH15 |
| 0x46 | F |
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KEY_PTZ_MODE | 0x70 | p |
| KEY_CH16 |
| 0x47 | G |
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KEY_PTZ_PRESET | 0x71 | q |
| KEY_EJECT_DVD |
| 0x6a | j |
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KEY_PTZ_ZOOM_IN | 0x69 | i |
| KEY_IRIS_NEAR |
| 0x67 | g |
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KEY_PTZ_ZOOM_OUT | 0x66 | f |
| KEY_IRIS_FAR |
| 0x68 | h |
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KEY_MODE | 0x6f | o |
| KEY_PTZ_LIGHT |
| 0x6c | l |
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KEY_4 CUT | 0x61 | a |
| KEY_PTZ_WIPER |
| 0x77 | w |
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KEY_9 CUT | 0x62 | b |
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KEY_16 CUT | 0x63 | c |
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KEY_SET_CHANNEL | 0x6e | n |
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