JVC BR-D95U ユーザーズマニュアル
134
13-3 Speed/data correspondence table
Data
Speed
Data
Speed
Data
Speed
00-1D
STILL
80
1.00
B8
7.50
1E-2C
0.03
81
1.04
B9
7.80
2D-3A
0.07
82
1.07
BA
8.00
3B-44
0.10
83
1.11
BB
8.40
45-4B
0.13
84
1.15
BC
8.70
4C-50
0.17
85
1.20
BD
9.00
51-56
0.20
86
1.24
BE
9.30
57-59
0.23
87
1.30
BF
9.70
5A-5C
0.27
88
1.33
C0-C1
10.00
5B-60
0.30
89
1.38
C2
10.70
61
0.33
8A
1.43
C3-C4
11.10
62
0.34
8B
1.49
C5
11.50
63
035
8C
1.54
C6
12.40
64
0.37
8D
1.60
C7-C8
13.00
65
0.38
8E
1.65
C9-CA
14.00
66-68
0.40
8F
1.72
CB-CC
15.00
69
0.44
90
1.78
CD
16.00
6A
0.45
91
1.84
CE-CF
17.00
6B
0.47
92-94
2.00
D0-D1
18.00
6C-6E
0.50
95
2.13
D2
19.00
6F
0.54
96
2.21
D3
20.00
70
0.56
97
2.29
D4-D5
21.00
71
0.58
98
2.37
D6
22.00
72
0.60
99
2.46
D7
23.00
73
0.63
9A
2.55
D8
24.00
74
0.65
9B
2.64
D9
25.00
75
0.67
9C
2.74
DA-DB
26.00
76
0.70
9D
2.84
DC
27.00
77
0.72
9E-A0
3.00
DD
28.00
78
0.75
A1
3.30
DE
29.00
79
0.78
A2
3.40
DF
31.00
7A
0.80
A3
3.50
E0
32.00
7B
0.84
A4
3.70
E1
33.00
7C
0.87
A5
3.80
E2
34.00
7D
0.90
A6-A8
4.00
E3
35.00
7E
0.93
A9
4.40
E4
37.00
7F
0.97
AA
4.50
E5
38.00
AB
4.70
E6
39.00
AC-AE
5.00
E7
41.00
AF
5.40
E8
42.00
B0
5.60
E9
44.00
B1
5.80
EA
45.00
B2
6.00
EB
47.00
B3
6.30
EC
49.00
B4
6.50
ED
50.00
B5
6.70
EE
52.00
B6
7.00
EF
54.00
B7
7.20
F0
56.00
F1-FF
58.00
13 RS-232C protocol
135
13-4 Contents of the sense commands
The bit assignment for each status data byte returned
with D7: Status Sense is as follows:
Status (No. 1): First byte
with D7: Status Sense is as follows:
Status (No. 1): First byte
Bit
Status
Remarks
Bit-7
Undefined
Always “1”
Bit-6
Undefined
Always “0”
Bit-5
Short FF/REW Short FF: Detects the beginning
of the tape and fast-forwards
the tape until Stand-By On is
engaged.
Short REW: Detects tape end
and rewinds the tape until
Stand-By On is engaged.
the tape until Stand-By On is
engaged.
Short REW: Detects tape end
and rewinds the tape until
Stand-By On is engaged.
Bit-4
REC Inhibit
Indicates that a cassette with
no safety tab has been loaded
or that recording prohibition
has been selected with the
VCR’s memory switch.
no safety tab has been loaded
or that recording prohibition
has been selected with the
VCR’s memory switch.
Bit-3
Cassette Out
No tape is loaded in the VCR.
Bit-2
Servo Lock
During tape playback, both the
capstan and drum servo are
locked.
capstan and drum servo are
locked.
Bit-1
Undefined
Always “0”
Bit-0
Error
Shows that an invalid command
has been received. In this status,
a continuously transmitted
command will not be accepted.
To release the Error mode,
cancel the commands one byte
at a time with 41: Error Clear. Or
cancel all commands with 56:
Clear.
has been received. In this status,
a continuously transmitted
command will not be accepted.
To release the Error mode,
cancel the commands one byte
at a time with 41: Error Clear. Or
cancel all commands with 56:
Clear.
Status (No. 2) Second byte
Bit
Status
Remarks
Bit-7
EE
Externally input video signals
are output.
are output.
Bit-6
A1 EE Mode
Externally input audio (A1)
signals are output.
signals are output.
Bit-5
Video Mute
Video signals are muted
(returned from the DS micro-
processor).
(returned from the DS micro-
processor).
Bit-4
Audio Mute
Audio signals are muted
(returned from the AUDIO
microprocessor.).
(returned from the AUDIO
microprocessor.).
Bit-3
Warning
Shows that the VCR is in the
Auto-Off mode.
Auto-Off mode.
0 SPD 0.03 SPD 0.1 SPD 0.2 SPD 0.5 SPD 1.0 SPD 2.0 SPD 4.0 SPD 6.0 SPD 10 SPD 17 SPD 32 SPD
0.03
0.1
0.2
0.5
1.0
2.0
4.0
6.0
10
17
32
Speed Code-3
0
0
0
0
0
0
0
0
1
1
1
1
Speed Code-2
0
0
0
0
1
1
1
1
0
0
0
0
Speed Code-1
0
0
1
1
0
0
1
1
0
0
1
1
Speed Code-0
0
1
0
1
0
1
0
1
0
1
0
1
Bit-2
DEW
Condensation.
Bit-1
Tape Begin
The tape winding start sensor
is detected.
is detected.
Bit-0
Tape End
The tape winding end sensor
is detected.
is detected.
Status (No. 3) Third byte
Bit
Status
Remarks
Bit-7
Unused
Always “0”
Bit-8
Unused
Always “0”
Bit-6
Unused
Always “0”
Bit-5
Unused
Always “0”
Bit-4
Unused
Always “0”
Bit-3
Unused
Always “0”
Bit-2
Unused
Always “0”
Bit-1
Search mode
During CueUp/Preroll (only
when controlled from the RS-
232C)
when controlled from the RS-
232C)
Bit-0
Unused
Always “0”
Status (No. 4) Forth byte
Bit
Status
Remarks
Bit-7
Play Mode
Playback
Bit-6
FF Mode
Fast-forward
Bit-5
REW mode
Rewind
Bit-4
Stop mode
Stop
Bit-3
Stand-by mode Standby-Off
Bit-2
Eject
Tape is ejected
Bit-1
REC mode
Record
Bit-0
Unused
Always “0”
Status (No. 5) Fifth byte
Bit
Status
Remarks
Bit-7
Pause mode
Pause
Bit-6
Unused
Always “0”
Bit-5
Shuttle Fwd
During Shuttle/Jog/Variable
search in the forward direction
search in the forward direction
Bit-4
Shuttle Rev
During Shuttle/Jog/Variable
search in the reverse direction
search in the reverse direction
Bit-3
Speed Code-3 Refer to the table below.
Bit-2
Speed Code-2 Refer to the table below.
Bit-1
Speed Code-1 Refer to the table below.
Bit-0
Speed Code-0 Refer to the table below.
13 RS-232C protocol