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of
the
recording mechanism and
cannot
be
changed
by
the
customer since replacement of
either
requires
partial
disassembly
of
the
mechanism. Facilities are provided for limiting
the
maximum
recording
time
to
15-second
increments (from
15
seconds to
90
seconds) or
30
-second increments (from
90
seconds to
180
seconds). This is done
by
adjusting
the
variable
limit switch assembly. The adjustment may
only be made
by
the installer.
(b) KS-19245, List 3 Recorder (Fig. 5 and
6)
is
the
incoming message recording mechanism.
It
provides a maximum recording capacity of 2
hours on 1/4-inch wide plastic base magnetic
recording tape. This tape is contained in the
KS-19245,
List
6
cartridge
which
may
be
conveniently changed
by
the customer. Facilities
are provided for limiting
the
message recording
time to 1
or
2 hours. This is done by adjusting
the limitswitchactuator (Fig.
6).
The adjustment
may only be made
by
the installer.
(c)
KS-19245, List 4 Amplifier (Fig. 7) is a
printed circuit wiring board transistor amplifier
for recording and reproducing. The amplifier
incorporates
an
automatic volume control feature.
It
also contains the
1400
-cycle oscillator and notch
rejection filter.
(d) KS-19245, List 5 Amplifier (Fig. 8) is a
printed circuit wiring board.
It
contains
the voice-operated circuit and the calling
part
y
control circuit.
(e) KS-
19245,
List 6 Cartridge (Fig.
9)
provides
a 1/4-inch wide plasticbase magnetic recording
tape with a capacity for 2 hours of incoming
message recording time.
(f)
KS-19245,
List
11
Power Cord is
an
8-foot
light
olive
graycolored cord.
It
is
plug-connected
to the answering
set
and provides for connection
to a 3-wire, 110-volt ac outlet.
3.
02
KS
-
19245,
Li
st
13
Te
l
ep
hone
Answering
Set:
(a)
KS-19245,
List
21
Tape Deck,
A8,
(Fig.
10
and 11) is the combined announcement and
message recording mechanism. The announcement
record mechanism (Fig.
10)
provides a maximum
recording capacity of 3 minutes and incorporates
a variable cycle feature
that
limits the reproduce
ISS
3, SE
CTI
ON
51
4-155-100
cycle to the duration of the recorded announcement
only. This recorder is equipped with 1/4-inch
wide plasticbase magnetic recording tape installed
on special reels. The tape and reels form an
integral
part
of the recording mechanism and
cannot
be changed by
the
customer since
replacementof either requires partial disassembly
of
the mechanism. Facilities
are
provided for
limiting
the
maximum recording time to 15-second
increments (from
15
seconds to
90
seconds) or
30-second increments (from
90
seconds to
180
seconds). This is done by adjusting the timer
cap. The adjustment may only be made
by
the
installer.
The
incoming message recording
mechanism (Fig.
11)
provides a maximum recording
capacity of 2 hours on 1/4-inch wide plastic base
magnetic recording tape. This tape is contained
in
the
KS-19245,
List 6 cartridge which may be
conveniently changed
by
the customer. Facilities
are provided for limiting the message recording
time to 1
or
2 hours. This is done
by
adjusting
the limit switch actuator (Fig.
10).
The adjustment
may only be made
by
the installer.
(b) KS-19245, List
19
Power Supply,
A3,
(Fig.
12)
is a combination subchassis consisting of a
power transformer, and a printed circuit wiring
board containing
the
regulated power supply
circuitry, and line connection terminals.
(c) KS-19245,
List
15 Amplifier Board, A4,
(Fig.
13)
is a printed circuit wiring board
containing the record/playback amplifier, automatic
gain control, tone generator, and relay driver
circuitry.
(d)
KS-19245,
List
16
Deck Control Board,
A5,
(Fig.
14)
is a printed circuit wiring board
containing
the
necessary control circuitry for
operating
the
tape
recording
and
playback
mechanism.
(e) KS-
19245,
List 17 Logic Board,
A6,
(Fig.
15
)
is a printed circuit wiring board containing
the
line seizure, ring-up circuitry, and installer
options.
3.03
Optional
Equipme
nt:
(a) KS-19245,
List
8
Foot
Switch (Fig. 16)
provides for foot control operation during
playback of the recorded incoming messages.
The foot switch pedal has two active positions,
P
age
5