Repeater lockout – Icom IC-U82 User Manual
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5
REPEATER OPERATION
5
D
D
Tone information
Some repeaters require different tone system to be accessed.
DTMF TONES
While pushing
[PTT]
, push the desired DTMF keys (0–9,
[A•
FUNC
]
,
[B•
CALL
]
,
[C•
MR
]
,
[D•
CLR
]
,
[#•
BANK
]
and
[
✱
•
ENT
]
) to transmit DTMF tones.
•
[
✱
•
ENT
]
transmits tone “E,”
[#•
BANK
]
transmits tone “F.”
• The transceiver has 16 DTMF memory channels (p. 27).
1750 Hz TONE
While pushing
[PTT]
, push
[
Y
Y
]
or
[
Z
Z
]
to transmit a 1750 Hz
tone signal.
✔
Convenient
Tone scan function:
When you don’t know the subaudible
tone used for a repeater, the tone scan is convenient for de-
tecting the tone frequency.
Push
[A•
FUNC
]
, then push
[3•
T
.
SCAN
]
to start the tone scan.
• Push
[D•
CLR
]
to cancel the scan.
• When the required tone frequency is detected, the scan pauses.
■
Repeater lockout
This function helps prevent interference to other stations by
inhibiting your transmission when a signal is received. The
transceiver has two inhibiting conditions, repeater and busy.
q While pushing and holding
[
Y
Y
]
and
[
Z
Z
]
, turn the power ON
to enter
INITIAL SET MODE
.
w Push
[
Y
Y
]
or
[
Z
Z
]
several times until “RLO” appears.
e Rotate
[VOL]
to select the repeater lockout function to
“RP,” “bU” or OFF.
• “RP”: Transmit is inhibited when a signal with un-matched sub-
audible tone is received.
• “bU”: Transmit is inhibited when a signal is received.
r Push
[
✱
•
ENT
]
(or
[D•
CLR
]
) to exit
INITIAL SET MODE
.
USING
INITIAL SET MODE