Sony BM-850D Operating Instructions Manual page 7

This unit uses only standard
Microcassettes.
Non standard cassettes cannot be
used because their "L" dimension
(see illustration) is different.
Only standard
Microcassettes have
Standard
a small indentation
on side A.
L Approx. 5 mm
Non standard
Approx.
L
2.5 mm
Cassette Insertion
1
Microcassette
1
Take up any slack in the tape.
2
Set POWER to ON.
3
Press the eject button to open the cassette holder.
4
Insert a cassette into the cassette holder with the side to
be recorded on or played back facing upward.
Push the cassette into the holder completely.
5
Close the cassette holder.
Notes on the Microcassette
To protect cassettes from accidental
erasure
When a recording is made, the previous
recording is automatically erased.
To prevent erasure, break the cassette tabs.
To reuse a cassette
To record on a cassette with removed tabs,
cover each slot with a piece of plastic tape.
3
]
2
4
5
Break out and
remove the tab.
Plastic tape
Setting Up 7