Akai 4000DS

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TAPE ERASING 7
Any signals previously recorded on the tape will be
automatically erased as a new. recording is made. For
erasing only, set machine to recording mode. No plugs
_Should be connected to the Input Jacks and Volume
Controls should be kept at minimum. For quick and
complete erasure, the use of a bulk tape eraser is recom-
mended. ,
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HEAD DEMAGNETIZING
Normally, the steel pole pieces which form part of the
recording and playback heads become slightly magnetized.
The effect of magnetization is that it causes considerable
drop out or introduces noise into your recordings. It is
recommended that head demagnetization be performed
periodically. This can be accomplished with a bulk head
demagnetizer by bringing it very close to the heads and
making several small circular motions over the head surface
areas as well as the parts which the tape contacts,
* Be sure to cut off the power of the unit prior to demagnetizing
the heads.
* Both prongs of the demagnetizer should be-covered with a kind
of masking tape to prevent heads from being scratched.
* Do not use magnetized tools in the vicinity of the heads.
* Read the instructions of the .demagnetizer carefully before
operation.
ADJUSTMENT OF RECORDING LEVEL
When the machine is set to recording mode, the recording
input levels are registered on the VU Meters, but the record-
ing level can be more precisely set by monitoring through
headphones. Adjust Recording Level Controls while
monitoring signal strength through headphones. Adjust so
that, the VU Meters register normally. For recording with
the least possible distortion, keep the recording level as
high as possible within the yellow part of the meter scale.
For monitoring source, set Monitor Switch to TAPE
position and for monitoring recorded signals, set to
SOURCE position.
SOUND MONITORING
For sound monitoring or private listening, connect stereo
headphones of low impedance type (8 {2) to: Headphone
Jack. Akai models ASE-22 and ASE-20 are highly recom-
mended,
HOW TO USE THE DIN JACK
The Din Jack can be used instead of Rec and P.B. Jacks if
your amplifier has a corresponding connection. This one
cord system eliminates the necessity. of four separate
connections and disconnections.
* When using Din Jack, the recording level is adjusted with the
Microphone Recording Level CoWitrols.
* This, moget is equipped wi a Din Jack Aig OW INU
Selector Switch. When using the DipJack for cannection with an
exfepnal amipsifier, set itch to \HIGH pdsition—wher e
rput levelof the hb ishigh, and-fo LOWposition when
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