3 RS-232 REMOTE PROTOCOL
3.1Supported Command Sequences
The DVR1 supports the following command sequences, entered via PC once communication has been established between the PC and the DVR1. The Baud Rate should be set at 9600 Baud, with 1 Stop Bit, 8 Data Bits, and Parity at None.
All byte values entered at the PC must be in hexadecimal values. Each command string begins with an STX (02) character and ends with an ETX (03) character.
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COMMAND | CHARACTERS | 1 | 2 | 3 | 4 | 5 |
Play Forward | FPL | 02 | 46 | 50 | 4C | 03 |
Record | REC | 02 | 52 | 45 | 43 | 03 |
Stop | STO | 02 | 53 | 54 | 4F | 03 |
Pause | PAU | 02 | 50 | 41 | 55 | 03 |
Fast Forward | FWD | 02 | 46 | 57 | 44 | 03 |
Rewind | REW | 02 | 52 | 45 | 57 | 03 |
Frame Advance | FAD | 02 | 46 | 41 | 44 | 03 |
Reverse Frame |
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Advance | RAD | 02 | 52 | 41 | 44 | 03 |
Play Reverse | RPL | 02 | 52 | 50 | 4C | 03 |
Set Clock |
| See instructions for setting clock in the following section. |
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Increase Speed | ISP | 02 | 49 | 53 | 50 | 03 |
Decrease Speed | DSP | 02 | 44 | 53 | 50 | 03 |
Search | SEA | 02 | 53 | 45 | 41 | 03 |
Arrow Up | ARU | 02 | 41 | 52 | 55 | 03 |
Arrow Down | ARD | 02 | 41 | 52 | 44 | 03 |
Arrow Left | ARL | 02 | 41 | 52 | 4C | 03 |
Arrow Right | ARR | 02 | 41 | 52 | 52 | 03 |
Menu | MEN | 02 | 4D | 45 | 4E | 03 |
Enter | ENT | 02 | 45 | 4E | 54 | 03 |
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Example:
To Play Forward, enter the following command at the PC keyboard, using the starting and ending characters and hexadecimal equivalent of the FPL from the above chart: 02 46 50 4C 03 <Enter>
3.2Setting the Clock
The following table shows the command sequence for setting the clock.
COMMAND | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
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VALUE | 02 | 43 | 4C | 4B | 20 | y1 | y2 | 2D | m1 | m2 | 2D | d1 | d2 | 2C | h1 | h2 | 3A | f1 | f2 | 03 |
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The gray cells in the Value row of the table indicate the correct positions for each byte of data in the command string.
Place the hexadecimal value of the desired ASCII character into the command string, entering two digit values for Year, Month, Day, Hour, and Minute into the command string. The year is a
See the example to follow.
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