6. CALL ALARM SeLeCTION
The TX680 provides 5 user selectable call
alarm melodies to alert other users to your
incoming call. When enabled, the melody can
be transmitted to another user where it will
be heard in the speaker of the receiving radio
To select your favourite call
alarm melody
From the Standby mode:
MOde
1 . Press the
key SIX times to select
the Call Alarm setting mode . 'C' will
be displayed.
2 . Press the
or
keys to preview (listen)
to the 5 available call melodies.
CTCSS
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CTCSS TONe fReQeNCIeS
Freq. Hz
CTCSS
67.0
71.9
74.4
77.0
79.7
82.5
85.4
88.5
91.5
94.8
97.4
100.0
103.5
107.2
110.9
114.8
118.8
123.0
127.3
INSTRUCTION MANUAL
3. To turn the call melodies off, select
4 . Press and hold the
pTT
the
key momentarily) to confirm and
store your selection .
To send the call alarm melody
Press the PTT switch twice quickly . The LED
indicator will light Red for a few seconds as
the melody is sent. The melody will be heard
in the speaker of the receiving radio .
The call alarm can only be sent once
per minute .
Freq. Hz
20
131.8
21
136.5
22
141.3
23
146.2
24
151.4
25
156.7
26
162.2
27
167.9
28
173.8
29
179.9
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186.2
31
192.8
32
203.5
33
210.7
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218.1
35
225.7
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233.6
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241.8
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250.3
of
.
MOde
key (or press
TX680