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DUAL
TONE
SQUEL.CH
SYSTEM
(DTSS)
DTSS provides a more refined method than CTCSS to
selectively communicate with specific stations. A total
of
1
000
3-digit DTMF (Dual Tone Multi-Frequency)
codes are available to be used as addresses for
stations with which you want to communicate. These
codes can be changed easily and regularly
as
required.
Due to the quantity of different codes, large networks
can be set up that use DTSS for selective calling and
receiving.
If your needs are simpler, DTSS also serves a useful
purpose when you only want direct communication with
a few close friends
on
your favorite frequency. A good
example of this application
is
at Hamventions when a
particular frequency can be virtually unusable due to
overcrowding. If your group switches the DTSS
function ON, your squelch only opens when a call is
received encoded with the same code that is stored
in
your dual bander. If
no
signal is received for more than
2 seconds after DTSS has opened the squelch, the
squelch then closes. Anytime you want to monitor all
activity on the channel, you simply switch the DTSS
function OFF.
48
USING
DTSS
The squelch must
be
closed {page 16} on both bands
before beginning this procedure.
1 Press [BAND] to select the Operating band.
2 Press [F], [DTSS] to toggle the DTSS function ON
or OFF.
3 Press
[PTT] to transmit your DTSS code, then
speak into the microphone to call the other station.
To
change your stored DTSS code to any number from
000 to 999, continue with the following steps.
4 Press
[F], [DT CODE] to activate Code Select.
• The default code is 000.
1i1i1
Dt
m
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: 0
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44(1. 1)>)(1
5 Enter a 3-digit number using the numeric keys.
•
If
you press keys other than the numeric keys,
[LAMP],
or
[MONt], or
if
you do not make the
entry within
10 seconds, the values just entered
will clear. The previously set code remains
stored.
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