Tone scan – Icom IC-7700 User Manual
Page 142
9-8
■
Tone scan
The transceiver can detect subaudible tones in a re-
ceived signal. By monitoring a signal that is being
transmitted on a repeater input frequency, you can de-
termine the tone frequency required to access the re-
peater.
q
Set the desired frequency or memory channel to be
checked for a tone frequency.
w
Push
several times to select FM mode.
e
Push and hold [TONE]
(MF6)
for 1 sec. to enter tone
frequency screen.
r
Push [F-1•
Y
] or [F-2•
Z
] to check the repeater tone
frequency or tone squelch frequency, respectively.
t
Push [F-6•T-SCAN] to start the tone scan.
• “SCAN” blinks while scanning.
y
When the tone frequency is detected, the tone scan
pauses.
• The tone frequency is set temporarily on a memory
channel. Program the memory channel to store the tone
frequency permanently.
• The decoded tone frequency is used for the repeater
tone frequency or tone squelch frequency.
u
To stop the scan, push [F-6•T-SCAN].
• Push and hold [F-4•DEF] for 1 sec. to select the default
frequency.
i
Push
to exit tone frequency screen.
EXIT/SET
AM/FM
EXIT/SET
F-1
∫
F-2
√
F-4
F-6
T-SCAN
DEF
TONE
9
SCANS