Icom IC-7000 Instruction Manual - Page 35

VFO description

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3 BASIC OPERATION ■ VFO description VFO is an abbreviation of Variable Frequency Oscillator, and traditionally refers to an oscillator. The IC-7000 VFO is somewhat different. The VFO display of the IC-7000 acts like a computer's window and can show one frequency and one operating mode. You can call up a desired frequency to the VFO with the memo pad-read key (p. 110) or the memory transfer function (p. 107). You can also change the frequency with [DIAL] and select an operating mode with [MODE] key or call up previously accessed frequency and modes with the band stacking register (p. 28). The IC-7000 has two VFOs, specially suited for split frequency operation. The VFOs are called VFO A and VFO B. You can use the desired VFO to call up a frequency and operating mode for operation. Select MODE KEY VFO Change DIAL Transfer BAND 21.295 MHz Transfer Transfer MEMO PAD MEMORY 28.025 MHz CHANNEL 3 7.001 MHz D Differences between VFO and memory mode VFO MODE Each VFO shows a frequency and operating mode. If the frequency or operating mode is changed, the VFO automatically memorizes the new frequency or operating mode. MEMORY MODE (pp. 100-108) Each memory channel shows a frequency and operating mode like a VFO. Even if the frequency or mode is changed, the memory channel does not memorize the new frequency or operating mode. When VFO settings are changed with frequency and mode from another VFO or memory mode, the lastused frequency and operating mode for that VFO appear. When a memory channel is changed with frequency and mode from another memory channel or VFO mode, the memorized frequency and operating mode appear. [EXAMPLE] [EXAMPLE] VFO is selected. Memory channel 1 is selected. The frequency is changed. The frequency is changed. Memory mode is selected. Another memory channel is selected. VFO is selected again. Changed frequency (14.123 MHz) appears. Memory channel 1 is selected again. Changed frequency (14.123 MHz) does not appear and memorized frequency (14.100 MHz) appears instead. 26

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D
Differences between VFO and memory mode
VFO MODE
Each VFO shows a frequency and operating mode.
If the frequency or operating mode is changed, the
VFO automatically memorizes the new frequency or
operating mode.
When VFO settings are changed with frequency and
mode from another VFO or memory mode, the last-
used frequency and operating mode for that VFO ap-
pear.
[EXAMPLE]
MEMORY MODE
(pp. 100–108)
Each memory channel shows a frequency and oper-
ating mode like a VFO. Even if the frequency or mode
is changed, the memory channel does not memorize
the new frequency or operating mode.
When a memory channel is changed with frequency
and mode from another memory channel or VFO
mode, the memorized frequency and operating mode
appear.
[EXAMPLE]
26
3
BASIC OPERATION
3
VFO is an abbreviation of Variable Frequency
Oscillator, and traditionally refers to an oscillator.
The IC-7000 VFO is somewhat different.
The VFO
display of the IC-7000 acts like a computer’s window
and can show one frequency and one operating mode.
You can call up a desired frequency to the VFO with
the memo pad-read key (p. 110) or the memory transfer
function (p. 107). You can also change the frequency
with
[DIAL]
and select an operating mode with
[MODE]
key or call up previously accessed frequency and
modes with the band stacking register (p. 28).
The IC-7000 has two VFOs, specially suited for split
frequency operation. The VFOs are called VFO A
and VFO B. You can use the desired VFO to call up a
frequency and operating mode for operation.
VFO
MODE
KEY
Select
MEMORY
CHANNEL
DIAL
MEMO PAD
28.025 MHz
7.001 MHz
21.295 MHz
BAND
Change
Transfer
Transfer
Transfer
Changed frequency (14.123 MHz) does not appear and
memorized frequency (14.100 MHz) appears instead.
Memory channel 1 is
selected.
The frequency is changed.
Memory channel 1 is
selected again.
Another memory channel
is selected.
VFO is selected.
The frequency is changed.
VFO is selected again.
Changed frequency (14.123 MHz) appears.
Memory mode is selected.
■
VFO description