Handling Compact Discs; Specifications - Boss Audio Systems 639 UA User Manual

Handling Compact Discs

MOISTURE CONDENSATION
On a rainy day or in a very damp area, moisture may condense on the lenses inside the unit. Should this
occur, the unit will not operate properly. In such a case, remove the disc and wait for about an hour unit
the moisture has evaporated.
NOTES ON Cds
1. A dirty or defective disc may cause sound
dropouts while playing. To enjoy optimum
sound, handle the disc as follows.
Handle the disc by its edge. To keep the
disc clean, do not touch the surface(P.1).
P.1
2. Do not stick paper or tape on the disc(P.2).
P.2
3. Do not expose the discs to direct sunlight or
heat sources such as hot air-ducts, or leave
them in a car parked in direct sunlight where
there can be a considerable
temperature inside the car(P.3).
P.3
4. Before playing, clean the discs with an
optional cleaning cloth. Wipe each disc from
the center out(P.4).
P.4
5. Do not use solvents such as benzine,
thinner, commercially available cleaners, or
antistatic spray intended for analog discs.
NOTES ON CDs
If you use the discs explained below, the sticky
residue can cause the CD to stop spinning and
may cause malfunction or ruin your discs.
Do not use second-hand or rental CDs that have a
sticky residue on the surface (for example, from
peeled-off stickers or from ink, or glue leaking
from under the stickers).
There are paste residue.
Ink is sticky(P.5).
P.5
Do not use CDs with old labels that are beginning
to peel off.
Stickers that are beginning
to peel away, leaving a
sticky residue(P.6).
P.6
Do not use your CDs with labels or stickers
attached.
Labels are attached(P.7).
P.7
rise in
Do Not Use Special Shape CDs
Be sure to use round shape CDs only for this
unit and do not use any special shape CDs.
Use of special shape CDs may cause the unit
to malfunction.(P.8).
P.8
Be sure to use CDs with disc mark
Only for this unit.
CD-Rs and CD-RWs which have not undergone
finalization processing can not be played.(For
more information on finalization processing,
refer to the manual for your CD-R/CD-RW
writing software or CD-R/CD-RW recorder.)
Additionally, depending on the recording status,
it may prove impossible to play certain CDs
record on CD-R or CD-RW.
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Specifications

Supply voltage : 12V DC(11V-15V)
Current consumption : Less than 15A
Discs played : Compact disc
5 " (12cm) disc
Audio Signal Output : 2ch line out
Characteristics : (1) Frequency Response: 20Hz-20KHz
(2) S/N Ratio:
(3) Wow and Flutter:
(Europe)
FM
Frequency Coverage: 87.5 to 108Mhz 87.5 to 108Mhz
IF 10.7Mhz
Sensitivity (S/N = 30dB) : 20dBu
AM
Frequency Coverage: 522 to 1620Khz
IF 450 Khz
Sensitivity (S/N = 20dB) : 45dBu
NOTE:
Specifications and design are subject to modification, without notice,
due to improvements in technology.
40 dB(JIS)
Below measurable limits
(Europe) (U.S.A.)
FM FM
87.5 to 107.9Mhz
10.7Mhz 10.7Mhz
20dBu 20dBu
AM
530 to 1710Khz
450 Khz
45dBu
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