Before operation, Notes on cassette tape, Cleaning the head section – Kenwood UD-900M User Manual
Page 6: Beware of condensation
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Before operation
Notes on cassette tape
Safety tab
(accidental erasure prevention tab)
After an important recording has been finished, break the safety
tab, to prevent the recorded contents from being erased or re
corded on accidentally.
To store cassette tapes
Do not store the tapes in a place which is subject to direct sun
light, or near equipment that generates heat. Keep the cassette
tapes away from any magnetic field.
When there is slack in the tape
In such a case, insert a pencil into the reel hole and wind the
rael hub to remove the slack.
To re-record
Apply tape only to the position
where the tab has been removed.
Notes:-----------------------------------------------------------------------------------
1. 120-minute cassette tape
Since a 120-minute cassette tape is very thin, the tape could
adhere to the pinch roller or be easily cut. It is recommended
that these tapes not be used with this unit to prevent possible
damage.
2, Endless tapes
Do not use an endless tape, as this could damage the mecha
nism of the unit.
Cleaning the head section
Cleaning the heads and peripheral com
ponents
For maintaining the best condition of the deck
and for longer service life, always keep the
heads (recording / playback / erase), capstan and
pinch roller clean. To clean them, perform the
following:
1. Open the cassette holder.
2. Using a cotton swab dipped in alcohol, clean
the head (recording/playback/erase), cap
stan and pinch roller carefully.
Demagnetizing the head
When the recording / playback head is magne
tized, the sound quality will be deteriorated. In
such a case, demagnetize the head using a com
mercially available demagnetizer (head eraser).
There are precisely aligned parts around the
heads, including the tape guides.
When cleaning, pay special attention so as not to
apply shock to them.
Beware of condensation
When water vapor comes into contact with the surface of cold
material, water drops are produced.
If condensation occurs, correct operation may not be possible,
or the unit may not function correctly.
This is not a malfunction, however, and the unit should be dried.
(To do this, turn the POWER switch ON and leave the unit as it
is for several hours.)
Be especially careful in the following conditions:
•
When the unit is brought from a cold place to a warm place,
and there Is a large temperature difference.
• When a heater starts operating.
• When the unit is brought from an air-conditioned place to a
place of high temperature with high humidity.
• When there is a large difference between the internal tem
perature of the unit and the ambient temperature, or in condi
tions where condensation occurs easily.
6uD-900/UD-900M (En)