Tapes, Prohibiting recording on a tape, Enabling recording – Panasonic AJ- HD3700B User Manual
Page 21: Rec inhibit, Auto off on off, When pins a and b are at the “up” position), When pins a and b are at the “down” position), See figure below)

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Tapes
There are two tape types: M and L.
M-cassettes: 57 minutes (576/50i), 63 minutes (1080/59.94i, 720/59.94p and 480/59i),
75 minutes (1080/25p and 1080/50i), 79 minutes (1080/23.98 and 1080/24p)
L-cassettes: 112 minutes (576/50i), 124 minutes (1080/59.94i, 720/59.94p and 480/59i),
149 minutes (1080/25p and 1080/50i), 155 minutes (1080/23.98p and 1080/24p)
Align the cassette with the marks on the unit’s insertion slot and push it in gently.
The cassette tape will be loaded automatically.
Prohibiting recording on a tape
(when pins A and B are at the “up” position)
Use a screwdriver to push down the accidental erasure preven-
tion pins, turn them 90° counterclockwise, and then lift the
screwdriver to set the pins at their “up” positions.
The recording prohibition status is displayed on the MANUAL
EDIT SET UP menu and the AUTO EDIT SET UP menu respec-
tively.
O
Note
N
C bit pin: Raised position
)
4-channel audio recording formats (1080/59.94i:
4-channel audio version, 720/59.94p: 4-channel audio version, 480/59.94i:
4-channel version, 576/50i: 4-channel version
°
)
Lowered position
)
8-channel audio recording formats (1080/59.94i: 8-channel
audio version, 720/59.94p: 4-channel audio version, 1080/23.98p, 1080/24p,
1080/25p, 1080/50i, 480/59.94i: 8-channel version, 576/50i: 8-channel version)
°
The D5 VTR (AJ-D580) records in the 576/50i 4-channel format.
Enabling recording
(when pins A and B are at the “down” position)
Use a screwdriver to push down the accidental erasure preven-
tion pins, turn them 90° clockwise, and then lift the screwdriver to
set the pins at their “down” positions.
Pin A: For inhibiting the recording of any signals
Pin B: For inhibiting the recording of video/control signals
≥
Pin B is effective only when pin A is in the recording
enabled position.
Pin C: For identifying the 4-channel audio or 8-channel
audio format
EJECT
SD
HD
CHANNEL CONDITION
VIDEO
AUDIO
SERVO
HOME
ASSEM INSERT
MULTI
CUE
VIDEO
IN
F13
7
8
9
4
5
6
1
2
3
0
C
T
F
F12
F11
F10
F9
F8
F7
F6
F5
F4
F3
F2
F1
L
AUDIO MONITOR
UNITY
HEADPHONES
PULL
OPEN
LEVEL
CURSOR
EXECUTE
PREROLL
ENTRY
REW
STOP
REC/EDIT
PLAY
REC INHIBIT
STAND BY
FF
REVIEW
PREVIEW
R
OUT
IN
OUT
AUDIO
LINE OUT
SHTL
JOG
VAR
INPUT CHECK
REMOTE
ADJUST
POWER
AUTO OFF
ON
OFF
UNITY
/VAR
TC/CHR
SET UP
TEST
DIAG
FROM
COPY
/
BS
ENT
AUDIO
PULL
OPEN
A
B
C
A
B
C
O
Note
N
Recording
Important!
* Normal playback cannot be performed for tapes on which the audio sig-
nals of 8 channels were recorded with the C bit pin at the raised posi-
tion or for tapes on which the audio signals of 4 channels were
recorded with the pin at the lowered position.
VTR system format
Cassette C bit pin
Raised position
(4-channel format)
Lowered position
(8-channel format)
4-channel recording
mode
Signals of 4 audio
channels can be
recorded.
Warning
Recording inhibited
(REC inhibit release
menu item available)
8-channel recording
mode
Warning
Recording inhibited
(REC inhibit release
menu item available)
Signals of 8 audio
channels can be
recorded.
(See figure below)
(See figure below)