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Some cable companies offer "premium pay" channels in which the signal is scrambled.
Descrambling these signals for normal viewing requires the use of a descrambler device
which is generally provided by the cable company.
The illustrations below show how to connect these types of converter/descrambler
devices with the TV's VHF antenna jack.
You may need a two-set signal splitter (sometime called a "two-set coupler) and an A/B
switch box from the cable installer or an electronic supply store. With the A/B switch in
the "B" position, you can then tune directly to any non-scrambled channels using your
TV's tuning system or remote control. In the "A" position, you can tune your TV to the
output channel of the decoder (generally Channel 3/4) and use the cable company's
equipment to tune scrambled channels. Since cable systems vary, you may wish to
consult your local cable company.
For subscribers to scrambled pay cable service
To allow viewing of all channels through converter/descrambler. TV must be set to the
output channel of the converter/ descrambler (usually ch 3 or 4).
NOTE: If you subscribe to a cable service which requires you to use a
converter/descrambler box, follow the connections shown above.
If your basic cable channels are unscrambled an are using a converter/descrambler for
premium channels, follow the connections shown below.
For subscribers of unscrambled basic cable with a converter/descrambler box for
viewing premium channels.
A – Allows viewing of scrambled channel through converter/descrambler box.
B – Allows full use of TV tuner and Remote Control.
NOTE: For other cable connections, consult your cable company.
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INCOMING
COAXIAL CABLE
To 75 ohm Coaxial
Jack On TV
Converter/Descrambler
A
B
Converter/Descrambler
SPLITTER
INCOMING
COAXIAL
CABLE
A/B Switch
To 75 ohm Coaxial
Jack On TV
VIDEO
INPUT
AUDIO
VOLUME CHANNEL POWER
R
VIDEO
INPUT
AUDIO
VOLUME CHANNEL POWER
R