I Required Connections - Icom IC-7400 Instruction Manual

I Required connections

• Front panel
CW KEY
(dot)
(com)
(dash)
A straight key can be used
when the internal electronic
keyer is turned OFF in keyer
set mode. (p. 34)
• Rear panel
144 MHz ANTENNA (pgs. 13, 74)
DC POWER SUPPLY
PS-125
(Optional)
GROUND (p. 13)
Use the heaviest gauge wire or
strap available and make the
connection as short as possible.
Grounding prevents electrical
shocks, TVI and other problems.
i7400
TUNER ANT
POWER
NR NOTCH
TRANSMIT
PHONES
NR A/NOTCH
ELEC-KEY AF RF/SQL
MIC
F 1
MENU
CW PITCH KEY SPEED
MIC GAIN RF PWR
MICROPHONES (p. 100)
HM-36
ANTENNA 1, 2 (pgs. 13, 74)
[Example]: ANT1 for 1.8–18 MHz bands
Connect a VHF
(60–144 MHz)
antenna;
impedance: 50 Ω.
STRAIGHT KEY
INSTALLATION AND CONNECTIONS
HF/VHF TRANSCEIVER
1.8 1 3.5 2
10 4 14 5
21 7 24 8
GENE 50 0
MP-W
XFC
F 2 F 3 F 4 F 5
SSB CW/RTTY AM/FM FILTER
CALL
VOX/BK-IN
P.AMP/ATT NB MONITOR
SM-20
(optional)
ANT2 for 21–50 MHz bands
2
TWIN PBT
7 3
F-INP
18 6
28 9
SPLIT
MW
PBTC
144 ENT A/B
V/M M-CL
M-CH
MP-R TS
RIT ∂TX CLEAR
RIT/∂TX
LOCK/
SPCH
(+)
(_)
14