Sharp 25NM180 25NM180 Operation Manual - Page 6

Antenna Connections

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Antenna Connections Antennas • The antenna requirements for good color television reception are more important than those for black & white television reception. For this reason, a good quality outdoor antenna is strongly recommended. The following is a brief explanation of the type of connections that are provided with the various antenna systems: 1. A 75 ohm system is generally a round cable with Ftype connector that can easily be attached to a terminal without tools (not supplied). The F-type connector should be finger tightened only. 2. A 300 ohm system is a flat "twin-lead" cable that can be attached to a 75 ohm terminal through a 300-75 ohm ADAPTOR (not supplied). F-type connector 75-ohm coaxial cable (round) 300-ohm twin-lead cable (flat) OUTDOOR ANTENNA CONNECTION • Use one of the following two diagrams if you connect an outdoor antenna. A: Using a VHF/UHF combination outdoor antenna. B: Using separate VHF and/or UHF outdoor antenna. • Connect an outdoor antenna cable lead-in to the COAXIAL CABLE CONNECTOR on the rear of the TV set. A. Combination VHF/ VHF/UHF ANTENNA UHF Antenna 300/75-ohm ADAPTOR (not supplied) 300-ohm VHF/UHF or twin-lead ANTENNA 75-ohm coaxial cable REAR OF TV B. Separate VHF/UHF Antenna REAR OF TV VHF UHF ANTENNA ANTENNA 300-ohm twin-lead 300-ohm twin-lead COMBINER (not supplied) IN OUT or 75-ohm coaxial cable 6 01-06/25N-M180 w/Imp. Safe 6 6/1/00, 10:09 AM

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6
Antennas
•
The antenna requirements for good color television reception are more important than those
for black & white television reception. For this reason, a good quality outdoor antenna is strongly
recommended.
The following is a brief explanation of the type of connections that are provided with the various
antenna systems:
OUTDOOR ANTENNA CONNECTION
•
Use one of the following two diagrams if you connect an outdoor antenna.
A: Using a VHF/UHF combination outdoor antenna.
B: Using separate VHF and/or UHF outdoor antenna.
•
Connect an outdoor antenna cable lead-in to the COAXIAL CABLE CONNECTOR on the rear
of the TV set.
Antenna Connections
1. A 75 ohm system is generally a round cable with F-
type connector that can easily be attached to a terminal
without tools (not supplied).
The F-type connector
should be finger tightened only.
2.
A 300 ohm system is a flat
“
twin-lead
”
cable that can
be attached to a 75 ohm terminal through a 300-75
ohm ADAPTOR (not supplied).
75-ohm coaxial
cable (round)
300-ohm
twin-lead cable
(flat)
F-type connector
A. Combination VHF/
UHF Antenna
B. Separate VHF/UHF
Antenna
75-ohm
coaxial
cable
300-ohm
twin-lead
VHF/UHF
ANTENNA
VHF/UHF ANTENNA
REAR OF TV
300/75-ohm
ADAPTOR
(not supplied)
or
300-ohm
twin-lead
300-ohm
twin-lead
75-ohm coaxial
cable
IN OUT
VHF
ANTENNA
UHF
ANTENNA
COMBINER
(not supplied)
or
REAR OF TV
01-06/25N-M180 w/Imp. Safe
6/1/00, 10:09 AM
6