Pioneer XR-P740M Operating Instructions Manual page 27

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The heads, capstan and pinch roller are parts which are liable
to become dirty quite easily, In particular, if the heads are dirty,
the high frequency components of the sound will not be
reproduced and the stereo balance will be impaired, resulting
ina deterioration of sound quality. tis therefore recommended
that the head section be cleaned regularly.
1. Turn the power off.
2. Press EJECT & to open the cassette door.
3. Dip a cleaning swab into head cleaning fluid and use it to
wipe the head, capstan, and pinch rollers. Wait 2-3 minutes
until the cleaning fluid dnes.
NOTE:
This unit uses a head-slant standby system, with the result
that the heads are mounted at an angled position.
Head
Capstan
Selecting fine audio equipment such as the unit you've just
purchased is only the start of your musical enjoyment, Now it's
time to consider how you can maximize the fun and excitement
your equipment offers, This manufacturer and the Electronic
Industries Association's Consumer Electronics Group want you
to get the most out of your equipment by playing it at a safe
jevel, One that lets the sound come through Joud and clear
without annoying blaring or distortion-and, most importantly,
without affecting your sensitive hearing.
Sound can be deceiving. Over time your hearing "comfort
level" adapts to higher volumes of sound. So what sounds
"normal" can actually be loud and harmful to your hearing.
Guard against this by setting your equipment ai a safe level
BEFORE your hearing adapts.
To establish a safe level:
@ Start your volume control at 4 low setting.
® Slowly increase the sound until you can hear it corefortably
and clearly, and without distortion.
Once you have established a comfortable sound level:
@ Set the dial and leave it there.
Taking 4 minute to do this now will help to prevent hearing
damage or loss in the future. After all, we want you listentag for
a lifetime.
The deck heads may become magnetized after the deck has
been used for a long period of time, or if a magnet or other
magnetized object (screwdriver, etc.) is brought near the
heads. Magnetization of the heads results in increased noise
and reduced ability to reproduce high-frequency sounds.
In this case, please use a commercially available head
demagnetizer at regular intervals to eliminate the magnetic
field onthe heads. When using a head demagnetizer, turn this
unit's power switch ON. In order to prevent adverse effects
on the receiver and speakers, however, be sureto turn down
the receiver's volume control to its lowest position, and
disconnect any headphones from their headphones jack, For
details, consult the instructions accompanying your head
demagnetizer.
| Maintenance of external surfaces "Al
® Use a polishing cloth or dry cloth to wipe off dust and dirt.
@ When the surfaces are very dirty, wipe with a soft cloth
dipped in sorne neutral cleanser diluted five or six times
with water and wrung out well, then wipe again with a dry
cloth. Do not use furniture wax or cleaners.
@ Never use thinners, benzene, insecticide sprays or other
chemicals on or near this unit, since these will corrode the
surfaces.
Used wisely, your new sound equipment will provide a
lifetime of fun and enjoyment. Since hearing damage from loud
noise is often undetectable until it is too late, this manufacturer
and the Electronic Industries Association's Consumer Electronics
Group recommend you avoid prolonged exposure to excessive
aise, This list of sound levels is included for your protection.
Decibel
Level Example
30 Quiet library, soft whispers
49 Living room, refrigerator, bedroom away from traffic
50 Light traffic, normal conversation, quiet office
60 Air conditioner at 20 feet, sewing machine
79 Vacuum cleaner, hair dryer, noisy restaurant
80 Average city traffic, garbage disposals, alarm clock
at two feet.
JHE FOLLOWING NOISES CAN BE DANGEROUS
UNDER CONSTANT EXPOSURE
90 Subway, motorcycle, truck traffic, lawa mower
100 Garbage truck, chain saw, pneumatic drill
120 Rock band concert in front of speakers, thunderctap
140 Gunshot blast, jet plane
180 Rocket launching pad
Information courtesy of the Deafness Research Foundation.
- <ARB7006>
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