Radio Shack 43-476 Owner's Manual page 41

You can quickly erase both sides of a cas-
sette tape using a bulk tape eraser (Cat.
No. 44-232).
Note: If you use metal or high-bias type
tape, the recorded sound might not be
erased properly.
Preventing Accidental Erasure
Cassette tapes have two erase-protection
tabs — one for each side. When a tab is in
place, you can record on that side.
To prevent accidental erasure of a tape re-
cording, use a screwdriver to remove one
or both of the cassette tape's erase-protec-
tion tabs. This prevents from being
REC
pressed.
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