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When a recording is being made, any sound already on the tracks is automatically erased before
the new recording is made.
Erasure is accomplished only when the deck is in the recording mode.
If you wish to erase a tape without making a new recording, set the Recording level controls (8) at
minimum, and press the correct Tape select button @3) to match the type of tape.
Press the
Playback button @0 while pressing the Record button @9.
For erasing with less noise, remove input leads, etc.
MAINTENANCE
In order to keep this unit in optimum
operational condition,
clean the heads,
capstans and
pressure rollers periodically with a head cleaning stick moistened in alcohol, or methylated spirit.
Open the head cover with a finger as shown in diagram
for cleaning.
Never use a sharp or
metallic instrument or tool for cleaning these parts.
The easiest cleaning can be performed by using a Hitachi head cleaning cassette.
Hitachi
cassette is provided with two pieces of head cleaning tapes on both ends of the tape; therefore,
all accumulated dirt and oxide particles are removed automatically at the beginning and the end of
the tape.
Demagnetization:
The head is inevitably magnetized slightly after being used for a long time.
As
a result, high-frequency sound may be lacking or noise may be generated.
Perform demagnetiz-
ation of the head occasionally with a head eraser.
In this case, do not touch the tape running sur-
face of the head directly with the metallic part of the eraser, but use the eraser after protecting the
head with cloth or gauze.
CASSETTE TAPES
Recording Protection:
If the plastic tabs on the rear of the cassette are punched out (by a
screwdriver or similar tool), the recordings can be protected against accidental erasure.
When only one side of the cassette is to be protected, with the blank side of the cassette towards
you, punch out the tab on right.
(See diagram @0.)
Precautions:
Ifa tape is played several times continuously, especially if a thin tape (C-90, C-120)
is used, the tape might be wound too tightly on the reel and cause the tape speed to fluctuate.
In
order to avoid this, it is recommended to tap the cassette several times lightly on a table-top which
will loosen the tape on the reel.
But the tape should not be too loose.
Especially after fast for-
warding or rewinding a C-90 or C-120 cassette, the slack should be taken up by inserting a pencil
or other object in the spindle hole and tightening the tape.
4-Track Recording/Playback:
After recording or playing back one side of the cassette, remove
the tape by depressing the Eject button 62), turn the cassette over and insert it again.
Then, the
tape can be used again for the same recording time as the first side.
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