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28 Chapter 2 Playback and Recording
Chapter
2
Playback and
Recording
Notes on Power Supply and Video Cassettes
Usable cassettes
For recording in the HDV/DV format, we recommend
you use a DigitalMaster™ cassette such as standard
HDV/DVCAM/DV cassette (PHDV-276DM, etc.), or
mini HDV/DVCAM/DV cassette (PHDVM-63DM,
etc.).
For recording in the DVCAM format, we recommend
you use a standard DVCAM cassette, Mini-DVCAM
cassette, or DigitalMaster™ shown above.
Cassette compatibility
A DV format cassette tape can be used for HDV. The
recording bit rate and recording track pitch on a tape of
the HDV1080i system used for the HVR-M25AU/
M25AN/M25AE/M25AP are about 25 Mbps and
10 µm, respectively. The specifications are the same as
those of home use DV (SP) tapes. The recording time on
an HDV tape is also the same as that of a DV (SP) tape.
The track pitch of DVCAM is 15 µm, which is 1.5 times
that of HDV/DV (SP). Therefore, the recording time
using DVCAM recording on the same tape will be two-
thirds of the time available when HDV/DV (SP)
recording is used.
Cassette memory
Some mini cassettes and standard cassettes have the
cassette memory ( mark). The unit, however, does
not support the cassette memory function.
However, if you use the DSR-25/45/50 as a recorder, the
unit accesses cassette memory only if the recorder is set
to [AUTO ].
To save a recording
To prevent accidental erasure of a recording, set the
REC/ SAVE switch on the cassette to SAVE. To record
or dub audio on a tape, set the switch to REC.
Mini cassette Standard cassette
REC/SAVE switch
Set to SAVE