Sharp LC-90LE745U - Manual (Page 13)

11
Antennas
To enjoy a clearer picture, use an outdoor antenna. The following is a brief explanation of the types of connections
that are used for a coaxial cable. If your outdoor antenna uses a 75-ohm coaxial cable with an F-type connector,
plug it into the antenna terminal at the rear of the TV set. For connecting the antenna cable to the TV, use
commercially available cables.
300-ohm twin-lead cable
75-ohm coaxial cable (round)
75-ohm coaxial cable
IN OUT
300-ohm
twin-lead cable
VHF
ANTENNA UHF
ANTENNA
Combiner
To TV antenna
terminal
300/75-ohm adapter
300-ohm twin-lead cable (flat)
75-ohm coaxial cable (round)
Cable TV lead-In
Coaxial cable
Coaxial cable
Home Antenna
terminal (75-ohm)
Home Antenna
terminal (75-ohm)
or
or
Installing Batteries in the Remote Control Unit
If the remote control fails to operate TV functions, replace the batteries in the remote control unit.
1 Open the battery cover.
2 Insert two “AAA” size batteries (supplied with
the product).
• Place the batteries
with their terminals
corresponding to the (
e)
and ( f) indications in the
battery compartment.
3 Close the battery cover.
CAUTION
Improper use of batteries can result in chemical leakage or explosion. Be sure to follow the instructions below.
• Do not mix batteries of different types. Different types of batteries have different characteristics.
• Do not mix old and new batteries. Mixing old and new batteries can shorten the life of new batteries or cause chemical leakage
in old batteries.
• Remove batteries as soon as they are worn out. Chemicals that leak from batteries that come in contact with skin can cause a
rash. If you fi nd any chemical leakage, wipe thoroughly with a cloth.
• The batteries supplied with this product may have a shorter life expectancy due to storage conditions.
• If you will not be using the remote control unit for an extended period of time, remove batteries from it.
Preparation
Connecting Antenna Cable
• Connect the antenna cable to the TV using one of the methods in the illustration as shown (1, 2, 3 or 4).
1 Cable without a CATV
converter
3 Combination VHF/
UHF antenna
4 Separate VHF/UHF
antenna
2 VHF/UHF antenna
1. A 75-ohm system is generally a round cable with F-type connector
that can easily be attached to a terminal without tools.
2. A 300-ohm system is a fl at “twin-lead” cable that can be attached
to a 75-ohm terminal through a 300/75-ohm adapter.
F-type connector
300-ohm twin-lead cable (fl at)
F-type connector
75-ohm coaxial cable (round)
75-ohm coaxial cable
NOTICE
When connecting the RF cable to the TV set, do not tighten F-type
connector with tools.
If tools are used, it may cause damage to your TV set. (The breaking
of internal circuit, etc.)
F-type connector should be fi nger-tightened only.