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Serial control specifications
(1) Signal level
RS-232C level
(2) Data format
Data length: 8 bits
Stop bits: 1 bit
Parity: None
(3) Communications speed (baud rate)
The communications speed (baud rate) can be selected 
from among 
240048009600 or 19200 bps. Upon 
purchase it is set to 
9600 bps (page 46).
Connection to a computer
This unit communicates with the computer using pins 2 
and 3 of the 9- or 15-pin D-Sub connector for signal 
transfer. Pin 5 of the 9-pin connector or pin 1 of the 15-pin 
connector is used as the ground.
The computer and set are connected as shown on the 
diagram below.
This unit can accept commands whenever the power is 
on. In addition, it can receive the Power On command 
even when the power is off (in the standby mode).
There is no need to connect control lines other than 
TxD 
and 
RxD.
Commands and 
statuses
Serial interface control is performed by the computer 
sending commands, etc., and this unit returning the 
status. When command execution is fully completed, this 
unit returns a completion message (R<CR>). If an error 
is generated, this unit returns the error code (for example, 
E04<CR>).
List of usable commands
No.
Argument
Mnemonics Command Name
1
RJ
Reject
2
SA
Start
3
(adrs) PL
Play
4
PA
Pause
5
ST
Still
6
SF
Step  Forward
Computer
HD-V9000
TxD
RxD
RxD
TxD
GND
GND
7
SR
Step  Reverse
8
NF
Scan  Forward
9
NR
Scan Reverse
10
NS
Scan Stop
11
(adrs) MF
Multi-Speed Forward
12
(adrs) MR
Multi-Speed Reverse
13
arg SP
Speed
14
adrs SE
Search
15
adrs SL
Search & Play
16
adrs SM
Stop Marker
17
LO
Lead Out Symbol
18
CL
Clear
19
FR
Frame
20
TM
Time
21
arg AU
Select Audio
22
arg AP
Select Aspect
23
arg VD
Video Control
24
arg DS
Display Control
25
arg RF
Output Resolution Set
26
arg KL
Keylock
27
arg GP
Playlist Number Set
28
BU
Playlist Data Upload
29
BD
Playlist Data Download
30
WU
Schedule Data Upload
31
WD
Schedule Data Download
32
GS
Setup Data Upload
33
PS
Setup Data Download
34
RM
Repeat Mode
35
arg SK
File Skip
36
FI
File Name Input
37
arg TD
Text Crawl Display
38
TK
Text Crawl Display Off
39
arg OD
Image Overlay On
40
OE
Image Overlay Off
41
FD
File Delete
42
FC
File Copy
43
PN
Power On
44
(arg) PF
Power Off
45
(arg) RB
Reboot
46
?D
File Information Request
47
?R
File Name Request
48
?T
Time Code Request
49
?F
Frame Number Request
50
?Y
Total Frame Request
51
arg RA
Register A Set (Display)
52
arg RD
Register D Set (TxD Term)
53
arg PR
Print Character
No.
Argument
Mnemonics Command Name