Setting Up Your Tv - Insignia NS-30HTV Guide De L'utilisateur

Setting up your TV

Connections
If you are using an indoor or outdoor antenna,
follow the instructions that correspond to your
antenna system. If you are using a cable TV
service (CABLE), see "Cable TV connections"
on page 4.
Antenna connections
Combination VHF/UHF antenna (separate
VHF and UHF 300 ohm twin-lead wires)
Connect the 75 ohm cable from the combination
VHF/UHF antenna to the RF IN jack.
If your combination VHF/UHF antenna has a 300
ohm twin-lead wire, you may need a 300-75 ohm
matching transformer.
RF IN jack
75 ohm coaxial
cable
Combination VHF/UHF antenna (single 75
ohm cable or 300 ohm twin-lead wire)
Connect the UHF 300 ohm twin-lead wire to the
combiner (not supplied). Connect the VHF
300 ohm twin-lead wire to the 300-75 ohm
matching transformer. Attach the transformer to
the combiner, then attach the combiner to the
RF IN jack.
RF IN jack
Combiner
UHF 300 ohm
Separate VHF/UHF antennas (75 ohm VHF
cable and 300 ohm UHF twin-lead wires)
Connect the VHF 75 ohm cable and UHF 300
ohm twin-lead wire to the combiner. Attach the
combiner to the RF IN jack.
RF IN jack
Combiner
UHF 300 ohm
4
RF IN jack
300-75 ohm matching
transformer
300-75 ohm matching
transformer
VHF 300 ohm
VHF 75 ohm
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Cable TV connections
Your TV has an extended tuning range and can
tune most cable channels without using a Cable
TV converter box. Some Cable TV 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 TV company.
For subscribers to basic cable TV service.
For basic cable service not requiring a converter/
descrambler box, connect the 75 ohm coaxial
cable directly to the RF IN jack on the back of
your TV.
75 ohm coaxial
cable
For subscribers to scrambled cable TV
service.
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 RF IN
Jack on your TV. Set your TV to the output
channel of the converter/descrambler box
(usually channel 3 or 4) and use the converter/
descrambler box to select channels.
Incoming 75 ohm cable TV
cable
Converter/descrambler
For subscribers to unscrambled basic cable
TV service with scrambled premium
channels.
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 TV company or an electronics supply
store). With the switch in the "B" position, you
can directly tune any non-scrambled channels
on your TV. With the switch in the "A" position,
you can tune your TV to the output of the
converter/descrambler box (usually channel 3 or
4) and use the converter/descrambler box to
tune scrambled channels.
Converter/descrambler
Incoming 75
ohm cable
TV cable
Splitter
RF IN jack
RF IN jack
75 ohm cable to
TV
RF IN jack
A/B
switch A
B
75 ohm cable to
TV