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Panasonic SV-4100 Mode D'emploi page 17

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Before Recording
Recording Absolute Time
IMPORTANT
NOTE:
Be sure to observe the following precautions when recording onto a tape.
Make sure the accidental erasure prevention tab on the DAT tape is set to the recording position so that
recording can be performed (see page E-52).
Insert the cassette tape after the power is switched on.
When the power is switched on with a cassette tape in the unit, absolute time is not displayed on the counter
display. To make sure that all recordings contain absolute time information, first operate the PLAY button,
perform an end search (see page E-21), or rewind tape to the beginning. Then, carry out normal recording
operations.
Even with new blank tapes, the tape may need to be rewound or End Search Performed. The Absolute Time
display must show "0:00:00", which indicates that the machine recognizes the beginning of a tape. Absolute
time will not be recorded if this display is not present.
To advance the tape during recording, use the AUTO REC MUTE button without using the PLAY button or
the FF/CUE button.
When recording from a point mid-way along the tape, use the end search function to search for the end of
the last recorded passage, and perform pick-up recording to ensure that there will no section without
absolute time informations (see page E-21).
An absolute Time indication must be present on the display in order for the machine to record absolute time
from that point on. If the machine does not recognize its present position, whether it is "0:00:00" or any
other time, Absolute Time will not record. Audio recording, however, is unaffected.
Soundless recording and non-recording:
During soundless recording, the tape travels ina recording state and only the data necessary for recording digital
signals are recorded. In this state, no audio signals are recorded.
As opposed to this, during non-recording, the tape travels in a state other than the recording state, and neither
the audio signals nor the data necessary for recording are recorded.
(This is the same condition as that of a brand new tape.)
If such a non-recorded section exists in the middle of a recorded tape, important information such as absolute
time will not be recorded.
Recording Program Numbers During Recording
There are two ways of recording program numbers as follows:
1) Automatic recording of program numbers
Note:
IMPORTANT
NOTE:
1 Press the PNO/START ID AUTO button if the pno/start ID auto indicator is not illuminated. The pno/start ID
auto indicator illuminates.
The "auto" mode setting, whether ON or OFF, applying when the power was last turned off is retained
when the power is turned on.
Perform recording operation. When recording has started, program numbers are recorded automatically in
order (segment 01, 02, 03...) as long as a program begins after there has been at least 2 seconds of no sound (below
—42 dB). Program numbers are indicated on the display once they are recorded.
As with absolute time, the machine must recognize the current program number (PNO) in order to record the
next sequential number. If there is no PNO showing on the display, then only Start ID's are recorded, without
PNO's. This can occur, for example, if the tape is inserted into the machine in the middle of a segment, because
Start ID's and PNO's are recorded only for the first 9 seconds of a program.
E-17

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