Realistic sct-20 Owner's Manual
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PLEASE READ BEFORE
USING THIS EQUIPMENT
CUSTOM MANUFACTURED FOR TANDY CORPORATION
CAT. ND.
14-B10
FEATURES
Front Loading Deck
State-of-the-art mechanism permits convenient front loading into
the
compartment. This design means you can stack com-
ponents or install this deck between shelves.
Dolby* Noise Reduction System
World-famous Dolby Noise Reduction system reduces tape hiss and
tape head noise, resulting in substantially improved signal-to-noise.
This gives an added benefit of extending the dynamic range.
Tape Selection Switch
To achieve optimum results from today's technologically advanced
ultra-low noise tapes and Chromium Dioxide tapes, bias and
equalization must be matched to the tape being used. The BIAS
and EQualization Switches provide this necessary matching —
resulting in superior signal-to-noise, wider frequency response and
greater dynamic range with either tape.
Dual VU Meters
Separate Right and Left channel Level Meters are illuminated and
can be used in conjunction with individually adjustable Right and
Left Channel Record Level Controls to precisely set recording
levels.
Headphone Jack
This is located at the lower right front of the unit for quick and
easy headphone listening. Microphone Jacks are right there too —
easy to get at.
* "DOLBY" and
DO
are trademarks of Dolby Labora-
DOL BY SYSTE M
tories Inc.
For your own protection, we urge you to record the Serial Number
of this unit in the space provided. You'll find the Serial Number on
the back panel of the unit.
Serial Number
SPECI FICATIONS
Tape System
:Standard PHILIPS Cassette
4-track stereo
C-30/60/90/120 (number indicates total
time for both sides)
Tape Speed
: 1-7/8 ips (4.75 cm/sec)
Frequency Response : Supertape Gold, 30-12, 000 Hz (± 3 dB)
(overall)
Signal-to-Noise
: Supertape Gold with Dolby, better than
(overall)
—58 dB
Distortion at +3 VU : 1.5% maximum
Cross-talk
: Better than — 60 dB
Wow & Flutter
: 0.12% maximum
(WRMS)
Erase Ratio
: Better than 60 dB
Output Level
: 0.58 volts (adjustable)
Output Impedance : Less than 10K ohms
Input Sensitivity
: Mic = — 63 dB (.053 mV)
Aux = — 18 dB (100 mV)
Input Impedance
Mic, more than 1 K ohms
Aux, 100 K ohms
Record Bias
: 85 kHz
Erase System
: 85 kHz AC erase
Fast-Forward/Rewind
Time
: Less than 110 seconds with C-60
Power Requirements : 120 volts, 60 Hz AC (220/240 volts, 50 Hz
for European and Australian models),
35 watts
Semiconductor
Integrated Circuits, 2
complement
Transistors, 14
Diodes, 13
Zener Diodes, 1
Dimensions
: 4-3/16" x 14-7/16" x 9-9/16" (HWD)
(10.6 x 36.7 x 24.3 cm)
Weight
: 11 lbs. (5.0 kg)
CONTROLS
This is a quick reference guide to the many features of your SCT-
20. For operation and installation instructions, refer to later
sections of this manual.
POWER
Press in to turn power "ON"; press again to turn power
"OF F".
PHONES Jack
Plug a pair of stereo headphones into this jack to
listen to the tape being played back, or to monitor the signal
being recorded during a recording section.
MIC LEFT and RIGHT Jacks
Plug high-quality microphones into
these jacks to make "live" recordings.
Dual VU Meters
these indicate the level of the Record or Play
signal — one for each channel. They are lighted when Power is on.
RECORD LEVEL Controls
adjust for the proper level of record-
ing for each channel, as indicated on the Level Meters.
RECORD Function LED
lights up when you are in the Record
mode.
Digital Tape Counter
use to aid you in locating desired portions
of the tape. Press the button at the right to reset to "000".
DOLBY NR Button
controls the operation of the built-in Dolby
Noise Reduction System. For making Dolby Recordings and for
playing them back, press this button in; press again to release the
Dolby function.
EQ (Tape Equalization) Button
the position of this switch
determines the proper equalization to match tapes being used.
Use Cr02 (press in) for ChrOmium Dioxide tapes; use NORMal
(out position) for all other tapes. If functions in both the Record
and Play modes.
BIAS Button
the position of this button determines the proper
bias level to match tapes yo are using. Use Cr0
2
(in position) for
Chromium Dioxide tapes; use NORMal (out position) for all other
tapes. Use this
BIAS
switch simultaneously with
EQ,
(Equalization)
switch. It function only in Record mode.
RECORD
Key...press simultaneously with
PLAY
key to record.
The
RECORD LED
will light indicating you are in the Record
mode.
REWIND
Key...when you have a cassette loaded, press down to
rewind tape rapidly. To release this function, press
STOP/EJECT.
FAST-Forward
Key...when you have a cassette loaded, press down
to move tape rapidly in a forward direction. To release this
function, press
STOP/EJECT.
PLAY
Key...press for playback operation. For Record, press this
key simultaneously with the
RECORD
key.
STOP/EJECT Key...to
stop the tape during any function, press
once; to eject the cassette, press again.
PAUSE Key...to
temporarily stop tape travel during Record or
Play, press this key. Press again to restart tape movement.
— 3 —
TO LINE IN
TO LINE OUT
PATCH CORDS
fi
t
To TAPE IN or
AUX IN
To TAPE OUT or
LINE OUT
FULL REEL
INSTALLATION
OPERATION
FIGURE
4
Using one of the patch cord provided, connect the Left and Right
LINE OUT jacks to the corresponding tape input jacks of you
stereo Amplifier/Receiver. Plug the line cord into any 120 volt,
60 Hz AC outlet. (220/240 volt, 50 Hz for European and
Australian models as indicated on the rear of the unit.)
Use the other patch cord to connect the LINE IN jacks to the
TAPE OUT (or RECORD OUT) jacks on your Amplifier/Receiver.
(For European models only)
If your Amplifier/Receiver has a DIN jack, use a DIN cord (not
provided) to connect the rear panel R EC/PLAY DIN jack to the
DIN jack on your Amplifier/Receiver. When using DIN jack,
disconnect LINE IN/LINE OUT jacks.
NOTE: It may be necessary to adjust the OUTPUT LEVEL controls to match the input of your Amplifier/Receiver. Do this as
follows: Set up your stereo system with another signal source
(FM or records, etc.). Adjust volume, tone and balance for normal
listening conditions.
Now, switch the Amplifier/Receiver to
operate with the Tape Deck and play a cassette tape. If necessary,
adjust the OUTPUT LEVEL controls on the back of the Tape
Deck to obtain a similar output level. Switch back and forth be-
tween the two signal sources and make adjustments until you are
satisfied with the balance of the sound output. Once set, this
control requires no further attention.
PLAYING BACK TAPES
To Turn the Deck On
The SCT-20 offers the convenience of a separate ON/OFF switch.
To turn the Deck on, push POWER once; push again to turn off.
Loading a Cassette
1.
Open the Cassette Door.
2.
Press STOP/EJECT key. This brings all the keys into the "up"
position.
3.
Load the Cassette, open end
down with the full reel to your
left, into the cassette compartment and push it down
until it locks.
4.
Close the Cassette Door.
To remove the Cassette, the tape
movement must be stopped
(either automatically, or manually, by pressing STOP/EJECT).
Then, press STOP/EJECT again
to Eject the Cassette.
Playing the Tape
1.
Press POWER to turn the unit on. Press the Digital Tape Counter
button to reset to 000.
2.
Load a pre-recorded Cassette as noted above.
3.
Set E Q switch to the appropriate position. Press in if the tape
is Cr02 type; leave out if it is standard type tape.
4.
If you are going to play a Dolbyized tape, press DOLBY NR in.
5.
Press PLAY key and the tape will begin moving. Adjust Volume,
Tone and Balance controls on your Amplifier/Receiver for
desired sound.
6.
To temporarily stop tape playing, press PAUSE; to restart the
tape, press PAUSE again.
7.
To stop playing, press STOP/EJECT.
To move tape rapidly in a forward direction press FAST-F.
To move tape rapidly in a reverse direction, press REWIND.
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