Icom IC-80AD Instruction Manual - Page 41

Hz tone

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5 REPEATER AND DUPLEX OPERATIONS N 1750 Hz tone To access some European repeaters, the transceiver must transmit a 1750 Hz tone burst. For such European repeaters, perform the following. • This tone can be use as a 'Call signal' in countries out of Europe. q Push and hold [DTMF.M](0) for 1 sec. to select DTMF memory. w Push [ ](8) several times (or rotate [DIAL] counter-clockwise) until "T-CALL" appears. 1 e Push [ ](5) to set. 2 r Push [V/MHz] to exit DTMF memory. 3 t Set the receive frequency (repeater output frequency). y Set the shift direction of the transmit frequency. (-DUP or 4 +DUP; see p. 31 for details.) 5 u While pushing [PTT], push [SQL] to transmit a 1750 Hz tone burst signal. 6 • If "OFF" appears, check the offset frequency or shift direction. 7 (p. 31) • The displayed frequency automatically changes to the transmit 8 frequency (repeater input frequency). i Push and hold [PTT] to transmit. 9 o Release [PTT] to receive. 10 !0 Push and hold [SQL] to check whether the other station's transmit signal can be received directly or not, by listening 11 on the repeater input frequency. 12 13 14 15 16 17 18 19 33

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33
5
REPEATER AND DUPLEX OPERATIONS
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1750 Hz tone
To access some European repeaters, the transceiver must
transmit a 1750 Hz tone burst. For such European repeaters,
perform the following.
•
This tone can be use as a ‘Call signal’ in countries out of Europe.
q
Push and hold
[DTMF.M]
(0) for 1 sec. to select DTMF
memory.
w
Push
[
µ
]
(8)
several times (or rotate
[DIAL]
counter-clock-
wise) until “T-CALL” appears.
e
Push
[
]
(5) to set.
r
Push
[V/MHz]
to exit DTMF memory.
t
Set the receive frequency
(repeater output frequency)
.
y
Set the shift direction of the transmit frequency.
(–DUP or
+DUP; see p. 31 for details.)
u
While pushing
[PTT]
, push
[SQL]
to transmit a 1750 Hz
tone burst signal.
•
If “OFF” appears, check the offset frequency or shift direction.
(p. 31)
•
The displayed frequency automatically changes to the transmit
frequency (repeater input frequency).
i
Push and hold
[PTT]
to transmit.
o
Release
[PTT]
to receive.
!
0
Push and hold
[SQL]
to check whether the other station’s
transmit signal can be received directly or not, by listening
on the repeater input frequency.