Controller - Rear And Bottom Panels - Icom IC-7100 Advanced Instructions

Hf/vhf/uhf all mode transceiver
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1
PANEL DESCRIPTION
Controller — Rear and bottom panels
Rear panel
q w
e
r
q HEADPHONE/SPEAKER JACK [PHONES/SP]
Plug in standard stereo headphones (impedance: 8
to 16
).
ø
• Output power: More than 5 mW with an 8 ø load.
• When headphones are connected, the internal speaker,
and any external speaker, are disabled.
• When the [PHONES/SP] switch (y) on the bottom panel
is set to the SPEAKER position, an external speaker can
be used instead of headphones. This is convenient for
mobile or outdoor operation.
w ELECTRONIC KEYER JACK [ELEC-KEY]
Plug in a bug or paddle type key to use the internal
electronic keyer for CW operation. (p. 4-3)
• Set the keyer type to ELEC-KEY, BUG-KEY or Straight
key in the "Keyer Type" item of the "KEYER SET" mode.
• When a straight key is connected, "Straight key" must be
selected in the "Keyer Type" item of the "KEYER SET"
mode. (p. 4-10)
• A straight key jack is located on the rear panel. See [KEY]
on pages 1-17 and 2-6.
• You can reverse the keyer paddle polarity (dot and dash)
in the "Paddle Polarity" item of the "KEYER SET" mode.
(p. 4-10)
• Four keyer memory channels are available for your con-
venience. (p. 4-10)
A standard 3.5(d) mm/
Speaker
(dot)
(com)
(dash)
inch plug
1
8
Bottom panel
y
u
t
e MICROPHONE CONNECTOR [MIC]
Plug in the supplied or an optional microphone.
• See page 21-4 for appropriate microphones.
• See page 1-20 for microphone connector information.
• The optional OPC-589 cable can be used to connect an
8-pin microphone such as the SM-30 or SM-50.
• A microphone connector is also available on the Main
unit.
DO NOT simultaneously connect two microphones.
r MAIN UNIT CONNECTOR [MAIN UNIT]
Connects to the Main unit using with the supplied
OPC-2253 Control cable.
• The OPC-2253 Control cable is 3.5 meter (11.5 feet)
long.
DO NOT use any third party's Ethernet
t STAND
The length of the stand can be adjusted in two
steps.
• Adjust to the length not to incline back when you operate
the Front panel.
y PHONES/SPEAKER SWITCH [PHONE/SP]
Selects the [PHONES/SP] jack to connect a Head-
phones or external speaker.
u SCREW HOLE FOR STAND
Accepts the screw of a tripod stand. (Third party
product.)
1-15
cables.

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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.

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