Icom IC-7600 Instruction Manual - Page 70

■ Tone squelch operation, TONE] MF7, EXIT/SET]

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4 RECEIVE AND TRANSMIT ■ Tone squelch operation The tone squelch opens only when receiving a signal containing a matching subaudible tone. You can silently wait for calls from group members using the same tone. q S et the desired frequency band and select FM mode. w P ush [TONE] (MF7) several times to turn the tone squelch function ON. • " " appears e P ush and hold [TONE] (MF7) for 1 sec. to enter tone frequency set mode. r P ush [Y] (F-1) or [Z] (F-2) to select T-SQL TONE item. t R otate the main dial to select the desired tone squelch frequency. • Push and hold [DEF] (F-4) for 1 sec. to select the default setting. y P ush [EXIT/SET] to return to the previous indica- tion. u W hen the received signal includes a matching tone, squelch opens and the signal can be heard. • When the received signal's tone does not match, tone squelch does not open. However, the S-indicator shows signal strength. • To open the squelch manually, push [XFC]. i O perate the transceiver in the normal way. o T o cancel the tone squelch, push [TONE] (MF7) to clear "TSQL." TONE XFC F-1 F-2 F-4 DEF Appears EXIT/SET Main dial • Tone frequency set mode • Available tone frequencies (unit: Hz) 67.0 085.4 107.2 136.5 165.5 186.2 210.7 254.1 69.3 088.5 110.9 141.3 167.9 189.9 218.1 71.9 091.5 114.8 146.2 171.3 192.8 225.7 74.4 094.8 118.8 151.4 173.8 196.6 229.1 77.0 097.4 123.0 156.7 177.3 199.5 233.6 79.7 100.0 127.3 159.8 179.9 203.5 241.8 82.5 103.5 131.8 162.2 183.5 206.5 250.3 63

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■
Tone squelch operation
The tone squelch opens only when rece±v±ng a s±g-
nal conta±n±ng a match±ng subaud±ble tone. You can
s±lently wa±t for calls from group members us±ng the
same tone.
q
Set the des±red frequency band and select FM
mode.
w
Push
[TONE] (MF7)
several t±mes to turn the tone
squelch funct±on ON.
• “
” appears
e
Push and hold
[TONE] (MF7)
for 1 sec. to enter
tone frequency set mode.
r
Push
[
Y
] (F-1)
or
[
Z
] (F-2)
to select T-SQL TONE
±tem.
t
Rotate the ma±n d±al to select the des±red tone
squelch frequency.
•
Push and hold
[DEF] (F-4)
for 1 sec. to select the
default sett±ng.
y
Push
[EXIT/SET]
to return to the prev±ous ±nd±ca-
t±on.
u
When the rece±ved s±gnal ±ncludes a match±ng
tone, squelch opens and the s±gnal can be heard.
•
When the rece±ved s±gnal’s tone does not match,
tone squelch does not open. However, the S-±nd±cator
shows s±gnal strength.
•
To open the squelch manually, push
[XFC]
.
i
Operate the transce±ver ±n the normal way.
o
To cancel the tone squelch, push
[TONE] (MF7)
to
clear “TSQL.”
• Available tone frequencies
(un±t: Hz)
67.0
69.3
71.9
74.4
77.0
79.7
82.5
0
85.4
0
88.5
0
91.5
0
94.8
0
97.4
100.0
103.5
107.2
110.9
114.8
118.8
123.0
127.3
131.8
136.5
141.3
146.2
151.4
156.7
159.8
162.2
165.5
167.9
171.3
173.8
177.3
179.9
183.5
186.2
189.9
192.8
196.6
199.5
203.5
206.5
210.7
218.1
225.7
229.1
233.6
241.8
250.3
254.1
F-4
EXIT/SET
Main dial
F-2
F-1
DEF
TONE
XFC
Appears
• Tone frequency set mode
63
4
RECEIVE AND TRANSMIT