Icom IC-7100 Advanced Instructions page 365

Hf/vhf/uhf all mode transceiver
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20
CONTROL COMMAND
Remote jack (CI-V) information
D
Data content description (Continued)
• Character code setting
Command: 1A 00, 1A 05 0200, 1A 05 0201,
1A 05 0206, 1A 05 0207, 1A 05 0208,
1A 05 0209, 1A 05 0211, 1F 02, 20 0001,
20 0002
Character ASCII code Character ASCII code
A–Z
41–5A
0–9
30–39
!
21
$
24
&
26
?
3F
'
27
^
5E
2D
2F
,
2C
;
3B
<
3C
(
28
[
5B
{
7B
¦
7C
¯
7E
• Band edge frequency setting
Command 02*, 1E 01, 1E 03
q
w
e
r
t
y
X X X
X X X X X X X X X 2 D X X X X X X X X X X
Lower edge
* Edge number (q) is not sent with command 02 (reading the
band edge frequencies).
a–z
61–7A
Space
20
#
23
%
25
\
5C
"
22
`
60
+
2B
2A
.
2E
:
3A
=
3D
>
3E
)
29
]
5D
}
7D
_
5F
@
40
u
i
o
!0
!1
Higher edge
• Band stacking register
Command
When sending the contents, the codes, such as op-
erating frequency and operating mode*, should be
added after the frequency band code and register
code, as shown below.
* See t to %1 on 'Memory content setting.' (p. 20-16)
Frequency band code
q
Code Freq. band Frequency range (unit: MHz)
01
1.8
02
3.5
03
7
04
10
05
14
06
18
07
21
08
24
09
28
10
50
11
144
12
430
13
GENE
Register code
w
!2
Code
Registered No.
01
02
03
To read the contents, the register code should be add-
ed after the frequency band code, as shown below.
Example: When reading the oldest contents in the
21 MHz band, the code "0703" is used.
20-12
: 1A 01
q
w
X
X
X
X
1.800000– 1.999999
3.400000– 4.099999
6.900000– 7.499999
9.900000–10.499999
13.900000–14.499999
17.900000–18.499999
20.900000–21.499999
24.400000–25.099999
28.000000–29.999999
50.000000–54.000000
144.000000–148.000000
420.000000–450.000000
Other than above
1 (latest)
2
3 (oldest)

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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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