External Keypad Connections - Icom IC-7410 Instruction Manual

EXTERNAL KEYPAD
Connect an external keypad for keyer
memory control.
When using a external keypad, set
the "External Keypad" item to "KEYER
SEND" in the Set mode. (p. 88)
D
The AH-4 must be connected to [ANT1].
Coaxial cable (from the AH-4)
[ANT1]
Transceiver
[TUNER]
Ground
Control cable
INSTALLATION AND CONNECTIONS
4.7 kø 2.2 kø 1.5 kø
± 5% ± 5% ± 5%
S4 S3 S2
(M4) (M3) (M2)
EXTERNAL KEYPAD
AH-4
Ground
1.5 kø
To pin e
± 5%
1
2 8
3
4
S1
To pin y
(M1)
[MIC]
(Front view)
Long wire or optional AH-2b
2
1
2
7
6
3
5
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
18