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@ Set the track selector (11) to position "ST" (stereo).
@ Set the input selector (9) to the correct position.
@ Make sure that the function selector (12) has been set
to ""AMP"'.
@ Adjust the recording level with recording level control
(30) and check this with recording level indicators (7) and/or
(8).
@ Adjust the volume etc. with the appropriate controls
(also see Chapter 4.1.).
@ To stop reproduction, switch off N 4450 with the mains
switch (41); do not forget to switch off the external equip-
ment (e.g. tuner) as well.
® If you wish to make a recording (e.g. from tuner) while
using the amplifier section, set the function selector (12) to
"NOR" and press the record key (17) simultaneously with
the appropriate start key for tape transport (16 or 19).
5. SPECIAL FACILITIES
5.1. MIXING SOUNDS
This recorder permits of simultaneously making a recording
from e.g. a record player and microphone. Thus, you may
for example record gramophone records and anounce them
yourself via the microphone. You can adjust the mixing
ratio yourself. In the case of mixed recordings, the illumi-
nated recording level indicator(s) indicate(s) the sum of
the recording levels.
The mixing ratio can be checked by monitoring during
recording. Preferably use headphones for this, in order to
avoid "acoustic feedback".
5.2. MULTIPLAY
Note: When repeatedly copying a recording, the quality of
sound will deteriorate (so-called transfer loss). To minimise
this loss of quality it is advisable to use the highest tape
speed and to record the main part (e.g. mehody) at the end.
The recording level of the new recording is adjusted with one
of the recording level controls (28, 29 or 30). The recording
level of the recording to be duplicated should be adjusted
with the multiplay recording level control (31).
For monitoring in the case of multiplay recordings with a
microphone, preferably use headphones to avoid acoustic
feedback. Adjust the volume etc. for the headphones with
controls 32... 35.
To. make a three-part recording with e.g. a microphone and
the tape running to the right, proceed as follows.
First run: Recording the first part on track 1.
@ Connect the headphones to socket (27) and the micro-
phone to socket (24) or (25).
@ Set the before/after-tape switch (10) to position "B".
© Set the function selector (12) to "NOR".
@ Set the speed selector (13) preferably to "19" (in view of
transfer loss).
® Set the track selector (11) to 1-4.
@ Note the reading of programme indicator (3) or set the
programme indicator to "O000" with the zero-reset button.
@ Make the microphone recording on track 1.
@ When monitoring via the headphones during trons
you hear the signal in both earshells.
e After recording, rewind the tape as far as the pedianiny:
Second run: Transferring the first part from track 1 to
track 3, simultaneously adding the second part.
®@ Set the track selector (11) to 3-2.
® Set the function selector (12) to "MP" (multiplay).
The recording level of the new recording (second part) is
adjusted with one of the microphone recording level controls
(28) or (29).
The recording level of the recording to be transferred (first
part) is adjusted with multiplay recording level control (3 1).
However, adjust the recording level of the new recording
below normal, as the multiplay signal also has to be added
during recording.
It is obvious that the multiplay recording level can be
adjusted during recording only. The illuminated recording
level indicator indicates the sum of the two signals. Of
course, this sum should not exceed 100 %.
@ Make the second microphone recording on track 3,
simultaneously adding the first part. The original recording
on track 1 is not erased, so that the second run may be
repeated if the result is not satisfactory. During recording
you hear the new recording in the left earshell of the head-
phones and the recording to be transferred in the right
earshell.
©@ Rewind the tape to the beginning of the recording.
The first and second part are now on track 3.
Third run: Transferring the first and second parts from
track 3 to track 1, while adding the third part.
@ Set the track selector (11) to 1-4.
© Leave the function selector (12) in position '"MP".
Further proceed as for the second run. After the third run,
the first, second and third runs are on track 1. The recording
of the second run on track 3 is not erased and the third
run may be repeated of the result is not satisfactory.
If desired you may proceed with a fourth and fifth run, but
you should take into account the above-stated "'transfer loss".
Playing back is possible by leaving the track selector (11)
in the last position. If desired, you can also erase the last but
one recording (see Chapter 3.6.).
5.3. ECHO AND REVERBERATION
To make recordings with echo or reverberation, proceed
as follows:
@ Set the function selector (12) to "ECHO"'.
@ Set the speed selector (13) to "4.75" or "9.5" for echo
recordings and to "19" for reverberation recordings.
@ Further proceed in the same way as for
anormal recor-
ding.
Adjust the recording level of the actual recording to a lower
level, as the echo or reverberation has to be added. Adjust
the echo or reverberation level with echo recording level
control (31). The sum of the two levels can be checked on
the recording level indicator(s) (7) and/or (8) and should not
exceed 100%.
6. SPLICING JIG
After removing the cover below the tape slot (pull forwards),
you see the built-in splicing jig for editing and splicing the
tape (Fig. 9). It may occur, for example, that you wish to
remove a certain passage from a recording or link different
passages.
However, take into account that if the other tracks have also
been used, these may be damaged by cutting and splicing.
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