Philips N2521 Manual page 8

Englisii
Intreduction
This recorder can be used with ferro, chromium
and ferro-chrome cassettes. To improve the sig-
nal-to-noise ratio the recorder is provided with two
noise suppression systems, the dynamic noise
limiter DNL and the Dolby* system.
Note* Trademark of Dolby Laboratories Inc.
The recording of radio programmes and copying of
gramophone records is permissible only insofar as
copyright or other rights of third parties are not
thereby infringed.
Compact Cassettes
@ With Compact Cassettes you can make stereo
and mono recordings on the two sides of the
cassette, each recording occupying half the width
of the tape. When one side of the cassette is full,
you can turn it over and use the other side.
@ Both ends of the tape are attached by a length of
non-magnetic leader tape to the reel cores. At any
time - that is, not only at the end of the tape - the
cassette can either be turned over and the other
side used, or it can be replaced. N.B. Because of
the length of the leader tape it is necessary when
starting at the very beginning of the tape to allow
the cassette to wind on for about seven seconds
before starting to record.
@ You can prevent the accidental erasure of
valuable recordings as follows.
Having made the recording, take a screwdriver or
similar object and break out the little flap (arrow A
in Fig. 4) at the back of the cassette near the
empty reel. With the cassette in the recorder at any
time thereafter, the record key cannot be de-
pressed. You can render this safeguard ineffective
by covering the aperture now existing with a piece
of adhesive tape.
@ On the inner side of the label in the box you can
note the title of each recording and the counter
reading at which it commences. When the label is
folded the other way round, the notes you have
made can be read through the lid.
@ Protect your cassettes against dust by returning
each to its box immediately after use. Store the
cassettes at room temperature, away from the sun
and out of reach of magnetic fields generated by
the recorder, radios, television sets, loudspeaker
enclosures etc.
@ When using ferro cassettes, in which the tape
has a layer of ferric oxide, tape selector @ must be
in position 'ferro' or 'auto'.
@ When using chromium cassettes, in which the
tape has a layer of chromium dioxide, there are two
possibilities:
8
- If the chromium cassette incorporates two extra
apertures on the back (Fig. 4, arrowB), tape
selector @) may be in position 'auto' or 'chromium'.
- For chromium cassettes not having these aper-
tures, tape selector @) must be set to 'chromium'.
@ When using ferro-chrome cassettes, made from
a mixture of ferric oxide and chromium dioxide,
tape selector @) must be set to ferro-chrome'.
@ Musicassettes are Compact Cassettes contain-
ing prerecorded music. Musicassettes are safe-
guarded against accidental erasure.
Controls and connection sockets
Figures 1 and 5
headphone volume control
recording fevel meter - left channel
headphone balance control
overload/peak indicator - both channels
recording mode indicator
recording level meter - right channel
recording level control
recording balance control
head cleaning indicator
compact cassette
cassette holder
zero reset button for counter
counter
tape travel indicator
pause key
eject key
fast forward wind key
start key
stop key
fast rewind key
record key
mains on/off switch
jock for post fading control
post fading control
tape selector
socket for stereo headphones
socket for right channel microphone
mono/stereo switch for microphone record-
ings
socket for the left channel microphone or for
stereo microphone
on/off switch for FM pilot-tone suppression
filter
@) on/off switch for dynamic noise limiter DNL
@) on/off switch for Dolby system
@) line in/out socket for amplifier, radio, record
player or second recorder
monitor socket for amplifier or second re-
corder
output level control - left channel
output level control - right channel
mains voltage selector
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