Icom IC-7800 Instruction Manual - Page 136

Antenna memory settings

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I Antenna memory settings [ANT] Band keys [F-2•ANT MW] 10 ANTENNA TUNER OPERATION This function stores the antenna connector number for each frequency band. q Push [EXIT/SET] several times to close multi-function screen, if necessary. w Push [ANT] for 1 sec. to select antenna set screen. e Select the desired frequency band with a band key. r Push [ANT] several times to select the desired an- tenna number that you want to set for the selected frequency band. • "#" appears. t Push [F-2•ANT MW] for 1 sec. to store the antenna selection into the antenna memory. • "#" disappears. y Repeat the steps e to t to store the antenna selection for another frequency bands, if desired. u Push [EXIT/SET] to exit antenna set screen. D Antenna type selection When no antenna is connected to [ANT2], [ANT3], and/or [ANT4], these antenna connectors can be deactivated- deleting the antenna number from selection. This prevent the transceiver from accidentally transmitting into an empty antenna connector. In addition, a receive-only antenna can be specified for [ANT4]. q Select the antenna set screen as described above. w Push [F-7•ANT TYPE] to select antenna type set screen. e Push [F-1•Y] or [F-2•Z] to select the desired an- tenna. r Rotate the main dial to select the desired antenna condition from TX/RX, RX (ANT4 only) and OFF. • TX/RX : Select when an antenna is connected. • OFF : Select when no antenna is connected. • RX : Select when a receive only antenna is connected. (available for the [ANT4] only) t Push [EXIT/SET] to exit antenna type set screen. ✔ For your information The "OFF" antennas cannot be selected with [ANT] switch operation, or with the antenna memory setting. When "RX" is selected for [ANT4], "1/R," "2/R" and "3/R" selections will be added for the selection for both [ANT] switch operation and the antenna memory setting. In these selections, using the antenna connected to [ANT1], [ANT2] and/or [ANT3] for transmission and using the antenna connected to [ANT4] for reception. 10-3

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10-3
■
Antenna memory settings
This function stores the antenna connector number for
each frequency band.
q
Push [EXIT/SET] several times to close multi-func-
tion screen, if necessary.
w
Push [ANT] for 1 sec. to select antenna set screen.
e
Select the desired frequency band with a band key.
r
Push [ANT] several times to select the desired an-
tenna number that you want to set for the selected
frequency band.
•“
★
” appears.
t
Push [F-2•ANT MW] for 1 sec. to store the antenna
selection into the antenna memory.
•“
★
” disappears.
y
Repeat the steps
e
to
t
to store the antenna se-
lection for another frequency bands, if desired.
u
Push [EXIT/SET] to exit antenna set screen.
D
Antenna type selection
When no antenna is connected to [ANT2], [ANT3],
and/or [ANT4], these antenna connectors can be de-
activated— deleting the antenna number from selec-
tion. This prevent the transceiver from accidentally
transmitting into an empty antenna connector.
In addition, a receive-only antenna can be specified for
[ANT4].
q
Select the antenna set screen as described above.
w
Push [F-7•ANT TYPE] to select antenna type set
screen.
e
Push [F-1•
Y
] or [F-2•
Z
] to select the desired an-
tenna.
r
Rotate the main dial to select the desired antenna
condition from TX/RX, RX (ANT4 only) and OFF.
• TX/RX
: Select when an antenna is connected.
• OFF
: Select when no antenna is connected.
• RX
: Select when a receive only antenna is
connected.
(available for the [ANT4] only)
t
Push [EXIT/SET] to exit antenna type set screen.
✔
For your information
The “OFF” antennas cannot be selected with [ANT]
switch operation, or with the antenna memory setting.
When “RX” is selected for [ANT4], “1/R,” “2/R” and
“3/R” selections will be added for the selection for both
[ANT] switch operation and the antenna memory set-
ting. In these selections, using the antenna connected
to [ANT1], [ANT2] and/or [ANT3] for transmission and
using the antenna connected to [ANT4] for reception.
[ANT]
[F-2
•
ANT MW]
Band keys
10
ANTENNA TUNER OPERATION