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Hitachi HT-350 Bedienungsanleitung Seite 4

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* Howling
Cartridges are very sensitive and may pick up slight
sound pressure or vibrations of the speaker coming
along the floor or through the air — resulting in
howling.
Therefore, the location of your turntable
is very important.
Find a location which is very
stable and free from vibration.
* Induction Hum
Your turntable utilizes a brushless DC servo motor to
reduce inductive hum.
If annoying inductive hum is
heard, it can be caused by the electromagnetic field
produced from the motors or transformers used in
another device.
Do not place the turntable near a
device in which a motor or transformer is used.
To
prevent the turntable from being affected by the
power transformer of your amplifier, receiver or tape
deck, position the turntable on the opposite side of
the power transformer.
* Overhang adjustment
Adjust the overhang when the cartridge is attached.
In case of HT-350,overhang of the tone arm is 15mm.
Adjust it by moving the cartridge back and forth
after loosening the cartridge fixing screw.
Tighten the cartridge fixing screw after adjustment
is completed.
Overhang
\\
Center
of
ae
v
/
platter
* Attaching / detaching the dust cover
The dust cover and main body are hinged so that they
can be detached from each other.
Detach the dust
cover from the hinge by pulling off one side at a
time
in the direction
shown by the arrow
while
keeping it open.
Remove the hinge from the main
body
after the dust cover is detached.
Follow the
reverse procedure described above for attaching them.
r
q : i
50000
CED
00000
9090
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CED
o0o00a000
9000
HEAD
SHELL
— Stroboscope
SPEED
ADJUST
SLOW |
FAST
\
Neon
lamp
case
Frequency
of
power
source
Pitch
contro!
knob
Fig. 3
NEON
LAMP
CASE
Since operation of the servo-amp.
is unstable for
approx. 30 sec. after power is switched on perform
pitch control approx. 30 sec. after the platter starts
.
revolving.
Dust
cover
Hinge
Fig. 2

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