ADI AR-446 - TONE;CTCSS Operation; C.SQ (Code Squelch System) Operation

To
return
to
normal
press
the
SHFT/REV
key
again.
The
REV
indicator
will
turn
off.
This
function
is
also
useful
to
check
the
input
frequency
of
the
repeater
so
that
you
can
determine
if
you
are
within
range
for
simplex
communications.
5-7-3 Tone Operation
Some
repeaters
require
the
use
of
a
control
signal
to
activate
the
repeater.
Several
different
methods
are
currently
in use.
In
the
United
States
sub-audible
tones
are
sometimes
used.
38
different
Sub-audible
frequencies
are
possible.
In
Europe
a
1750
Hz
tone
is
used
in
transmit.
Press
and
hold
the
PTT
key
to
transmit,
then
press
the
Micro
phone
CALL
key
will
generate
a
1750
Hz
tone.
5-7-4 Tone Frequency Selection
Press the F key for longer than 1 second. The F indicator will begin
to
flash.
Press
the
TONE/DUAL
key
within
10
seconds
of
pressing
the F key. The current tone frequency will show in the display.
——
Press
the
key
for
longer
than
1
second.
25
2. Rotate the Tuning control or press the microphone UP/ON
switches to select the desired CTCSS tone frequency.
3. Press any front panel key to return to the normal frequency
display, Tone Frequency(Hz)
Daa [ites 1798"
Tayo [tree | vee? |
F797 | 1280 | 1928
rasa [aan | 2107 |
are [oars | a7 |
ros ez,
5-8 TONE/CTCSS OPERATION
With the use of the optional Sub-Audible tone decoder unit
(CTS146)
you
will
be
able
to
operate
in
a
Tone
Operated
Squelch
Mode. When this option is installed and the CTCSS function has
been activated the radio will not open squelch until the proper
TONE IS RECEIVED.
Press the TONE/DUAL key and select the desired Tone mode. When
the T indicator appears in the display the transmitter will transmit the
desired tone. When the T.SQ indicator appears in the display the
transceiver will transmit the desired tone and will also operate in the
Tone Squelch mode. i.e. squelch will not open until the same tone is
received as
indicator is:
N
5-9 C.S
[Re
This functio
reception of
your radio.
Once squel
operates no
than 3 seco
received.