User guide
ENGLISH
12
ViewSonic N2630w/N3230w/N3730w
Cable TV (CATV) Connection
This reminder is provided to call the CATV system installers attention to Article 820-40 of the National
Electrical Code (NEC) that provides guidelines for proper grounding and, in particular, species that the
cable ground shall be connected to the grounding system of the building accurately, or as close to the point
of cable entry as possible. Use of this TV for other than private viewing of programs broadcasted on UHF,
VHF or transmitted by cable companies for the use of the general public may require authorization from
the broadcast/cable company, and/ or program owner.
A 75-ohm coaxial cable connector is built into the set for easy hookup.When
connecting the 75-ohm coaxial cable to the set, connect the 75-ohm cable into the
ANT. Terminal.
Some cable TV companies offer premium pay channels. Since the signals of
these premium pay channels are scrambled, a cable TV converter/ descrambler is
generally provided to the subscriber by the cable TV company.
This converter/descrambler is necessary for normal viewing of scrambled channels.(Set your TV to channel
3 or 4, typically one of these channels is used. If this is unknown, consult your cable TV company.) For
more specic instructions on installing cable TV, consult your cable TV company. One possible method of
connecting the coverter / descrambler provided by your cable TV company is shown in the diagram below.
• The RF switch (not included) is required to provide two inputs (A and B). Settingthe RF switch
to position A allows viewing of all unscrambled channels byusingthe TV channel keys.
• Setting the RF switch to position B allows viewing of all scrambled channels viathe converter/
descrambler by using the converter channel keys.
2 set signal
splitter (not
included)
Cable TV Line
Cable TV converter/
descrambler
(not included)
VHF/UHF IN