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WHY USE CTCSS?
CTCSS (Continuous Tone-Coded
Squelch System) helps eliminate inter-
ference between different users of the
same frequency. When CTCSS is
turned on, the transceiver transmits a
selected tone with your transmission.
This tone is too low for you to hear, but
other transceivers can detect it. If CTC-
SS is turned on and set to the same
tone on the receiving transceiver, it only
receives those transmissions that in-
clude the tone.
If two different groups operate transceiv-
ers in the same area on the same fre-
quency, they do not hear each other’s
broadcasts if they both use CTCSS and
each select a different CTCSS tone.
There are 38 different CTCSS tones
available. The CTCSS tone default for
this unit is 100 Hz. See “Available CTC-
SS Tones” on Page 15 for a complete
list. Only authorized RadioShack Ser-
vice Centers can change the CTCSS
tone.
OPERATIONAL HINTS
Your transceiver’s range varies depend-
ing on factors such as position, terrain,
and battery condition. Buildings absorb
transmitted signals and, if they contain
metal, might completely block the sig-
nals. Trees and heavy cloud formations
have a similar effect, though not as se-
vere. If you are near a lake or the ocean,
you might get excellent range.
To ensure maximum range, operate the
transceiver with the battery pack fully
charged. As the voltage decreases, the
range decreases.
19-1205.fm Page 11 Tuesday, August 3, 1999 10:30 AM