Offset frequency, Subaudible tones – Icom IC-U82 User Manual
Page 30
18
5
REPEATER OPERATION
■
Offset frequency
When communicating through a repeater, the transmit fre-
quency is shifted from the receive frequency by an amount
determined by the offset frequency.
q Push
[A•
FUNC
]
, then push
[8•
SET
]
to enter
SET MODE
.
w Push
[
Y
Y
]
or
[
Z
Z
]
several times until “±” and offset frequency
appear.
e Rotate
[VOL]
to select the desired offset frequency.
• Selectable steps are the same as the pre-set tuning steps.
• The unit of the displayed offset frequency is “MHz.”
r Push
[
✱
•
ENT
]
(or
[D•
CLR
]
) to set the offset frequency
and exit
SET MODE
.
■
Subaudible tones
Some repeaters require subaudible tones to be accessed.
Subaudible tones are added to your normal signal and must
be set in advance.
q Push
[A•
FUNC
]
, then push
[8•
SET
]
to enter
SET MODE
.
w Push
[
Y
Y
]
or
[
Z
Z
]
one or more times until “rt” appears.
e Rotate
[VOL]
to select the desired subaudible tone.
r Push
[
✱
•
ENT
]
(or
[D•
CLR
]
) to set the selected tone and
exit
SET MODE
.
• Available subaudible tone frequencies
(unit: Hz)
67.0
69.3
71.9
74.4
77.0
85.4
88.5
91.5
94.8
97.4
100.0
103.5
79.7
82.5
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
USING
SET MODE
USING
SET MODE