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1.1
Supported 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.
COMMAND
Play Forward
Record
Stop
Pause
Fast Forward
Rewind
Frame Advance
Reverse Frame
Advance
Play Reverse
Set Clock
Increase Speed
Decrease Speed
Search
Arrow Up
Arrow Down
Arrow Left
Arrow Right
Menu
Enter
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>
1.2
Setting the Clock
The following table shows the command sequence for setting the clock.
C
1
2
3
OMMAND
V
02
43
4C
ALUE
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 2-digit number, and the time is military time (24-hour clock).
See the example to follow.
APPENDIX E: RS-232 REMOTE PROTOCOL
S
TART
CHARACTERS
1
FPL
02
REC
02
STO
02
PAU
02
FWD
02
REW
02
FAD
02
RAD
02
RPL
02
See instructions for setting clock in the following section.
ISP
02
DSP
02
SEA
02
ARU
02
ARD
02
ARL
02
ARR
02
MEN
02
ENT
02
4
5
6
7
4B
20
y1
y2
2D
2
46
52
53
50
46
52
46
52
52
49
44
53
41
41
41
41
4D
45
8
9
10
11
12
m1
m2
2D
d1
38
3
4
50
4C
45
43
54
4F
41
55
57
44
45
57
41
44
41
44
50
4C
53
50
53
50
45
41
52
55
52
44
52
4C
52
52
45
4E
4E
54
13
14
15
16
17
d2
2C
h1
h2
3A
E
ND
5
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
03
18
19
20
f1
f2
03
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