Diskette with write-protection.
........ Protection seal.
This unit uses a 5.25" mini-disk that records on both sides
as the recording medium.
Its external appearance is as
shown on the left. It's called a diskette and is a magnetic
sheet covered by a jacket.
Inserting a Diskette
1. Put a finger on the bottom of the front door and lightly
pull this door toward you to open it.
2. With the label side up and the head window forward,
insert a diskette in the slot. There is no other way to
insert a diskette correctly.
3. Push the diskette lightly until it stops and close the
If the diskette is not inserted all the way,
the front door will not close. When this happens do not
force the door closed but re-insert the diskette correctly.
3 Write-protection Notch
If the write-protection notch of the diskette is covered
with a seal of silver paper, etc., writing of data is
Reading, however, is possible. Some diskettes
supplied by Sharp that are called Masters have this part
covered with a seal.
Never remove it because it prevents
trouble from improper operation.
Do not cover the notch of
diskette that is ordinarily used
for read/write operations with a seal, etc. or writing will be
4 Data Read/Write
Operation of this unit is only by ON/OFF of the power
and insertion/removal of a diskette.
All reading and
writing of data is controlled by the host system MZ-80B.
For details refer to the software manual. A maximum of 4
drives can be operated and drives are designated by the
drive numbers on the front of the unit.