Icom IC-V80 Instruction Manual - Page 27

Repeater And Duplex Operation

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5 REPEATER AND DUPLEX OPERATION ■ Repeater operation When using a repeater, the transmit frequency is shifted from the receive frequency by the frequency offset (p. 21). This is called duplex operation. It is convenient to program repeater information into memory channels (p. 25). 144.700 MHz Repeater 144.700 MHz 145.300 MHz 145.300 MHz Uplink (transmit freq.) Downlink (receive freq.) Station A Station B q S et the receive frequency (the repeater output frequency). w P ush [FUNC](M), and then [DUP](4) several times to set the shift direction of the transmit frequency. ( "-" or "+"; See page 21 for details.) • When the auto repeater function is in use (U.S.A. version only), this selection and step e are not necessary. (p. 23). e If desired, push [FUNC](M) and then [TONE](1) several times to activate the subaudible tone encoder. • " " appears. Appears • Select the desired subaudible tone frequency. (p. 22) 1 r P ush and hold [PTT] to transmit. 2 • The displayed frequency automatically changes to the transmit 3 frequency (repeater input frequency). • If "OFF" appears, check the frequency offset and shift direction 4 (p. 21). 5 t R elease [PTT] to receive. 6 While receiving While transmitting 7 8 9 y P ush and hold [MONI] to check whether the other station's transmit signal can be directly received or not. 10 • When the other station's signal can be directly received, move 11 to a non-repeater frequency to use simplex. (duplex OFF) 12  For the U.S.A. version: Auto repeater function uses standard values of the re- 13 peater tone frequency and frequency offset. 14 15 16 17 18 19 20

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20
4
5
■
Repeater operation
When using a repeater, the transmit frequency is shifted
from the receive frequency by the frequency offset (p. 21).
This is called duplex operation. It is convenient to program
repeater information into memory channels (p. 25).
q
Set the receive frequency (the repeater output frequency).
w
Push
[FUNC](
M
)
, and then
[DUP](4)
several times to set
the shift direction of the transmit frequency. ( “–” or “+”;
See page 21 for details.)
• When the auto repeater function is in use (U.S.A. version only),
this selection and step
e
are not necessary. (p. 23).
e
If desired, push
[FUNC](
M
)
and then
[TONE](1)
several
times to activate the subaudible tone encoder.
• “
” appears.
• Select the desired subaudible
tone frequency. (p. 22)
r
Push and hold
[PTT]
to transmit.
• The displayed frequency automatically changes to the transmit
frequency (repeater input frequency).
•
If “OFF” appears, check the frequency offset and shift direction
(p. 21).
t
Release
[PTT]
to receive.
y
Push and hold
[MONI]
to check whether the other station’s
transmit signal can be directly received or not
.
• When the other station’s signal can be directly received, move
to a non-repeater frequency to use simplex. (duplex OFF)
For the U.S.A. version:
Auto repeater function uses standard values of the re-
peater tone frequency and frequency offset.
Station A
Station B
Repeater
145.300 MHz
144.700 MHz
144.700 MHz
145.300 MHz
Uplink
Downlink
(transmit freq.)
(receive freq.)
5
REPEATER AND DUPLEX OPERATION
Appears
While receiving
While transmitting
1
2
3
6
7
8
9
10
11
12
13
14
15
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