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Precautions for use
2. Precautions for handling discs
2-1. Concerning DVD-RAM discs
Either 12cm
double-sided
5.2GB
or single-sided
2.6GB DVD-RAM discs are used with this unit.
DVD-RAM discs
e LM-DA52U and LM-DA26U or their equivalent
There are two types of DVD-RAM discs, Type 1 and
Type 2. Although a Type 2 disc can be removed from
its cartridge, it should be kept inside the cartridge for
use in this unit.
Do not remove
a disc from its
cartridge and then insert it into the unit.
When a disc is removed, it becomes easier for the
disc surface to be exposed to dirt or to be scratched,
and it may become impossible to read the recorded
data or some other kind of trouble may occur.
2-2. Concerning the handling of discs
Bear in mind the following points when handling discs.
e Do not leave them in dirty or dusty locations.
e Do
not leave
them
in locations
with
a high
temperature
or high humidity
or in locations
exposed to direct sunlight.
è Do not leave them in locations which are subject to
wide fluctuations in temperature.
e Do not touch the disc surfaces.
@ Do not drop or bend the discs or place heavy
objects on top of them.
è Do not re-adhere a label which has been peeled off.
è Store a disc inside its protective case when it is not
being used.
tn order to ensure that the data will be recorded ona
disc and played back properly, take care to keep the
disc free from dust and scratches.
Since it will no longer be possible to read out the
frames, search operations will become unstable and
so on once the disc surface becomes dirty, exercise
all due care in handling the discs.
In addition,
recording and playback may become unstable if the
lens area in the unit's drive is allowed to become
dusty Or dirty.
Discs do not take kindly to heat.
Leaving them in
conditions which exceed their ambient environment
specifications may cause the discs to be bent out of
shape,
rendering
them
useless
for recording
or
playback.
2-3. Disc and lens maintenance method
Use of the unit over an extended period of time may
cause dust to adhere to the lens area in the unit's
drive or disc surface so that it may no longer be
possible to read and write data properly. Although it
will depend
on
the operating
environment
and
conditions, it is recommended that the disc and lens
be cleaned
every one to four months
using the
cleaning kit available as an optional accessory.
Cleaning kit (optional accessory)
LF-K200DCA:
Disc cleaner
LF-K123LCA:
Lens cleaner
(These cleaners are specifically designed for use with PDs
but they may be used with this unit.)
CAUTION:
When the lens cleaner (LF-K123LA) is inserted, the
BUSY
lamp lights in orange,
when
cleaning is
completed, it changes to green.
To remove the lens cleaner, be absolutely sure to
press
the CLR
button first, and
then
press the
EJECT button.
Noise and vibration may be generated and READ
ERROR displayed during the actual cleaning: this is
normal and not indicative of a malfunction.
Dust may well be to blame as the cause of any
errors (such as WRITE ERROR,
READ
ERROR,
FORMAT
PROCESS
ERROR,
SEEK
ERROR
or
SCSI
ERROR)
that
may
occur
during
normal
operation.
Cleaning is recommended as the first
step to take when an error has occurred.
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