Tone Squelch Operation - Icom IC-756PROIII Instruction Manual

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.
[VFO/MEMO] [SPLIT]
Available tone squelch tones
67.0 085.4 107.2
69.3 088.5 110.9
71.9 091.5 114.8
74.4 094.8 118.8
77.0 097.4 123.0
79.7 100.0 127.3
82.5 103.5 131.8
53
Band keys
[AM/FM] Tuning dial
(Unit: Hz)
136.5 165.5 186.2 210.7
141.3 167.9 189.9 218.1
146.2 171.3 192.8 225.7
151.4 173.8 196.6 229.1
156.7 177.3 199.5 233.6
159.8 179.9 203.5 241.8
162.2 183.5 206.5 250.3
q Set the desired frequency band and select FM
mode.
w Push [TONE] several times until "TSQL" appears.
ANT ANT
1
METER METER
Po Po
P.AMP P.AMP
1
ATT ATT
OFF OFF
e Push [TONE] for 1 sec. to enter tone set mode.
AGC AGC
FAST FAST
VOX VOX
OFF OFF
[XFC]
TONE TONE
OFF OFF
é
r Push [(F-2)Z Z ] to select the "T-SQL TONE" item.
t Rotate the tuning dial to select the desired tone
254.1
squelch frequency.
• Push [(F-3)DEF] for 1 sec. to select the default setting.
y Push [EXIT/SET] to return to the previous indica-
tion.
u When 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 Operate the transceiver in the normal way.
o To cancel the tone squelch, push [TONE] to clear
"TSQL."
CONVENIENT
Store tone squelch frequencies and ON/OFF settings
in memory channels for easy recall.
BW BW 15k 15k 0
SFT SFT
VFO VFO F M F M
T X TX FIL2 FIL2 TSQL TSQL
wo.yip.pp
1 14.100.00 14.100.00 USB USB
VFO VFO FM FM
FIL2 FIL2 TSQL TSQL
wo.tip.pp
USB USB
14.100.00 14.100.00
1
TONE FREQUENCY TONE FREQUENCY
REPEATER TONE REPEATER TONE 88.5Hz 88.5Hz
T-SQL TONE T-SQL TONE 88.5Hz 88.5Hz
è DEF DEF
qw:pp
12:00
T-SCAN T-SCAN