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Connections
For basic cable service not requiring a converter/descrambler
box, connect the Cable TV 75 ohm coaxial cable directly to the
Antenna jack on the back of the unit.
75 ohm
coaxial cable
If you subscribe to a cable TV service in which basic channels are unscrambled and premium channels require the
use of a converter/descrambler box, you may wish to use a signal splitter and an A/B Switch box (available from the
cable company or an electronics supply store). Follow the connections shown below. With the switch in the “B”
position, you can directly tune any nonscrambled channels on your unit. With the switch in the “A” position, tune your
unit to the output of the converter/descrambler box (usually channel 3 or 4) and use the converter/descrambler box
to tune scrambled channels.
Incoming
75 ohm
Cable TV
75 ohm cable to
the unit
Antenna
jack
Antenna
jack
Converter/
descrambler
If you subscribe to a cable TV service which requires the use of a converter/descrambler box, connect the
incoming 75 ohm coaxial cable to the converter/descrambler box. Using another 75 ohm coaxial cable, connect
the output jack of the converter/descrambler box to the antenna jack on the unit. Follow the connections shown
below. Set the unit to the output channel of the converter/descrambler box (usually channel 3 or 4) and use the
converter/descrambler box to select channels.
For subscribers to basic cable TV service
For subscribers to scrambled cable TV service
For subscribers to unscrambled basic cable TV service with scrambled
premium channels
Splitter
B
A
Incoming
75 ohm
Cable TV
A/B switch
75 ohm cable to
the unit
Converter/
descrambler
Antenna
jack
Cable TV connections
This unit has an extended tuning range and can tune most cable channels without using a Cable TV converter box.
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.
5S20101A [E]p11-12 12/16/04, 4:27 PM12