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For magnetic recording and reproduction, only the lower socket marked
MAGNETIC RECORDING and REPRODUCE
(Magnetton-Aufnahme
und -Wieder-
gabe)
should
be used.
Recording stage for universal amplifier
For dubbing work on magnetic sound film, the recording stage should be
screwed to the front of the amplifier. Universal amplifier and recording stage
are electrically interconnected by blade contacts b
(Fig.
3 a).
The magic-fan tuning indicator c is for checking the modulation of the recording.
An automatic record lockout d prevents inadvertent erasure. The recording
stage is automatically disconnected by a relay every time the masterswitch of
the projector is switched on or off.
Fig.
3a
Universal
amplifier
w1th
recording
stage
Fig.
3b
Front
of
recording
stage
~
w
e~
O--(g
b
c
d
a recording
stage
b blade contact strip
c
tuning indicator
d record
lockout button
e
switch
for
erase
head
f
record
control
fhe red pushbutton d must be pressed prior to
each
magnetic recording. The
projector will thereupon be ready for service.
When mounting or dismounting the recording
stage,
make sure that master
switch a (Fig. 2 a) of the universal amplifier is switched off.
5
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