Sharp Aquos LC-57D90U Operation Manual page 15

Liquid crystal television
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Preparation
Use the remote control unit by pointing it towards the remote control sensor on
the TV. Objects between the remote control unit and the remote control sensor
may prevent proper operation.
• Do not expose the remote control unit to shock.
In addition, do not expose the remote control unit to liquids, and do not place
in an area with high humidity.
• Do not install or place the remote control unit under direct sunlight.
The heat may cause deformation of the remote control unit.
• The remote control unit may not work properly if the remote control sensor on
the TV is under direct sunlight or strong lighting. In such cases, change the
angle of the lighting or the TV, or operate the remote control unit closer to the
remote control sensor.
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.
1. A 75-ohm system is generally a round cable with F-type
connector that can easily be attached to a terminal without
tools (Commercially available).
F-type connector
+
---.
75-ohm coaxial cable (round)
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
adapter (Commercially available).
300-ohm twin-lead cable (flat)
~
F-type connector
~
~F""
~~~~
-
75-ohm
coaxia~b~
\
F-type connector should be finger-tightened only.
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.)
Coaxial cable
(com mercially
available)
300/75-ohm adapter
300 h
. I
d (fl ) (commerc . . iall y available)
, . . . . .
~ ~
. . . . : . .
~ :.I.~~
. .
~ ~
at
==.
Combiner
\
commerciall Y
available)
3OO-ohm twin-lead
~~~~=-IN
OUT
l'
75-ohm
C?~:~I:a~/
VHF
UHF
ANTENNA ANTENNA
Separate VHF/UHF
antenna
Connecting Antenna Cable
Combination
VHF/UHF antenna
Cable
W
'lthout a CAJV
Cable TV lead-In
1l1lt11ffl
Home Antenna
converter
ii4
~ermlnal(7[ijm~
,
(00-14

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