Vfo Operation; D Selecting Vfo A Or Vfo B; Dvfo Equalization - Icom IC-7100 Advanced Instructions

Hf/vhf/uhf all mode transceiver
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3
BASIC OPERATION

VFO operation

The IC-7100 has two VFOs; "A" and "B," and are conve-
nient for quickly selecting two frequencies, or split fre-
quency operation. You can use either VFO to call up a
frequency and operating mode.
VFO is an abbreviation of Variable Frequency Oscilla-
tor.

D Selecting VFO A or VFO B

While in the VFO mode, push
q
times to select the "M-1" screen (M-1 menu).
Touch [A/B](
D) to switch between the VFO A and
w
VFO B.
• "VFOA" or "VFOB" appears as each VFO is selected.
D VFO equalization
Push
(C) one or more times to select the
q
MENU
"M-1" screen (M-1 menu).
Touch [A/B](
D) for 1 second to equalize the data in
w
both VFOs.
• Three beeps sound when the equalization is complete.
Touch [A/B](
D) to select the other VFO.
e
• Selects VFO A or VFO B to display the VFO's frequency.
CONVENIENT!
Use two VFOs as quick memories:
When you find a new station, but wish to continue
searching, the dual VFO system can be used for quick
memory storage.
q Touch [A/B](D) for 1 second to store the displayed
contents into the undisplayed VFO.
w Continue searching for stations.
e Touch [A/B](D) to show the stored contents of the
undisplayed VFO.
r To continue searching for stations, touch [A/B](D)
again to show the previous VFO.
(C) one or more
MENU
3-5
L eft
D isplay
R ight
C enter
Example: Equalize VFO B to VFO A
The L, R, C or D in the
instructions indicate the
part of the controller.
L: Left side
R: Right side
C: Center bottom
D: Display (Touch screen)
The selected
VFO icon
Touch [A/B]
VFO A is selected
Touch [A/B]
for 1 second
Touch [A/B]
Selecting VFO B
displays same con-
tents as VFO A.

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Questions and answers

William Carpenter
January 26, 2025

IC-7100 is two months old. Power suddenly cut off. Fuses are OK. No obvious damage internally. Can something with the control head cause unit not to power up?

1 comments:
Mr. Anderson
February 10, 2025

Yes, a control head issue can cause the Icom IC-7100 to not power up. The control head receives power through the extension cable with shielded RJ45 connectors. If there is high resistance in the power wires or a poor connection in the umbilical cable, it may prevent the control head from receiving enough power to function properly. Reseating both connectors may help resolve the issue.

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