D Split Lock Function - Icom IC-7100 Advanced Instructions

Hf/vhf/uhf all mode transceiver
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6
FUNCTIONS FOR TRANSMIT
Split frequency operation (Continued)

D Split Lock function

The Split Lock function is convenient for changing only
the transmit frequency. When the Split Lock function is
not used, accidentally releasing
the Dial, changes the receive frequency.
The Split Lock function is OFF by default, but can be
turned ON in the "SPLIT LOCK" item of the "Function"
Set mode. (p. 17-19)
• Setting
Push
(C) to enter the Set mode.
q
SET
Touch the "SPLIT LOCK" item of the "Function" Set
w
mode.
Function > SPLIT/DUP > SPLIT LOCK
• If the specified item is not displayed, touch [Y] or [Z](D)
one or more times to select the page.
Touch the option to turn ON the function.
e
Push
(C) to exit the Set mode.
r
SET
L eft
D isplay
R ight
C enter
While transmitting with both Split and Split Lock func-
tions ON, rotating the Dial will not change the fre-
quency.
• Operation
While Split frequency operation is ON, hold down
q
(R) for 1 second to activate the split lock
SPEECH
function.
• "
" appears.
While holding down
w
change the transmit frequency.
• If you accidentally release
Dial, the receive frequency does NOT change.
(R) while rotating
XFC
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)
(R), rotate the Dial to
XFC
(R) while rotating the
XFC
6-10
Push
SET
Touch
"Function"
Touch
"SPLIT/DUP"
Touch
"SPLIT LOCK"
SPEECH
XFC

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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.

This answer is automatically generated

Norman Dorn
May 3, 2025

re ICOM 7100. Digital mode operations leave the mike path inoperable. What protocols are required on the DV USB computer/transceiver cable? Transceiver control head display shows USB-D when the intent is USB.

W John Stevenson
May 5, 2025

How do I find the IO settings

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