Sony DVW-250 - Manual (Page 25)

This section lists the cassettes which can be used, and
provides guidance on their handling.
This unit uses Digital Betacam cassettes with a 1/2-
inch tape width for playback and recording. The
following are the type numbers of the cassettes you
can use.
Checking that there is no slack in the tape
Before loading a cassette, press in the reels with your
fingers, and turn gently in the directions shown by the
arrows. If the reels do not turn, there is no slack.
Small cassettes
BCT-D6
BCT-D12
BCT-D22
BCT-D32
BCT-D40 —
Large cassettes
BCT-D34L
BCT-D64L
BCT-D94L
BCT-D124L
To prevent a tape from being erased, press in the red
erase-protect plug on the reverse side of the cassette.
Return this plug to its original position to be able to
record on the tape again.
Checking for slack in the tape
Preventing accidental erasure
Chapter 3 Getting Started 3-5