Icom IC-756PROII Marine Radio User Manual


 
48
5
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 Push [VFO/MEMO] to select VFO mode.
w Push the desired band key.
e Push [AM/FM] several times to select FM mode.
r Push [TONE] several times until TSQL appears
in the function display.
t When the received signal includes a matching
tone, squelch opens and the signal can be heard.
When the received signals tone does not match, tone
squelch does not open, however, the S-indicator shows
signal strength.
To open the squelch manually, push [XFC].
y Operate the transceiver in the normal way.
u To cancel the tone squelch, push [TONE] to clear
TSQL.
Setting the tone squelch tone
The transceiver has 50 tones from 67.0 Hz to
254.1 Hz.
q Select FM mode.
w Push [TONE] for 1 sec. to enter tone set mode.
e Push [(F-2)] to select the tone squelch tone item.
r Rotate the tuning dial to select the desired tone
squelch frequency.
t Push [EXIT/SET] to exit tone set mode.
Available tone squelch tones (Unit: Hz)
Store tone squelch frequencies and ON/OFF settings
in memory channels for easy recall.
CONVENIENT
T-SCANT-SCAN
é
è
DEFDEF
TONE FREQUENCYTONE FREQUENCY
88.5Hz88.5Hz
88.5Hz88.5HzT-SQL TONET-SQL TONE
REPEATER TONEREPEATER TONE
TONETONE
AGCAGC
FASTFAST
VOXVOX
OFFOFF
BWBW
15k15k
SFTSFT
0
FIL2FIL2
FMFM
qw:pp
VFOVFO
FMFM
USBUSB
USBUSB
FIL2FIL2
wo.yip.pp
wo.tip.pp
14.100.0014.100.00
14.100.0014.100.00
1
1
VFOVFO
TSQLTSQL
TSQLTSQL
TXTX
ANTANT
1
METERMETER
PoPo
ATTATT
OFFOFF
P.AMPP.AMP
1
BWBW
2.4k2.4k
SFTSFT
0
FIL2FIL2
USBUSB
qw:pp
TXTX
VFOVFO
USBUSB
USBUSB
USBUSB
FIL2FIL2
wq.wop.pp
qr.wpt.pp
14.100.0014.100.00
14.100.0014.100.00
1
1
VFOVFO
ANTANT
1
METERMETER
PoPo
ATTATT
OFFOFF
P.AMPP.AMP
1
67.0
69.3
71.9
74.4
77.0
79.7
82.5
085.4
088.5
091.5
094.8
097.4
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