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2001 NEW
17
2
INSTALLATION AND CONNECTIONS
2001 NEW
Linear amplier connections (not usable in European countries)
CONNECTING THE IC-PW1
Turn OFF the transceivers antenna tuner while tuning the IC-PW1s tuner.
CONNECTING A NON-ICOM LINEAR AMPLIFIER
R WARNING:
Set the transceiver output power and linear ampli-
er ALC output level referring to the linear amplier
instruction manual. Be sure the linear amplier key-
ing circuit control voltage is compatible with the IC-
746PRO, before connecting to [SEND] jack.
The ALC input level must be in the range 0 V to 4
V, and the transceiver does not accept positive volt-
age. Non-matched ALC and RF power settings
could cause a re or ruin the linear amplier.
The specications for the SEND relay are 16 V/DC
0.5 A. If this level is exceeded, a large external
relay must be used.
External antenna tuner connection
CONNECTING THE AH-4
The AH-4 must be connected to [ANT1].
To an
antenna
ACC(1)
ANT
ANT1
ACC(2)
INPUT1
REMOTE
EXCITER
1
1&2
GND
GND
IC-PW1
AC outlet
(Non-European versions: 100120/220240 V
European version : 230 V)
Ground
Transceiver
REMOTE
Remote control cable (supplied with the IC-PW1)
ACC cable (supplied with the IC-PW1)
Be sure to connect the cable
to the 7-pin ACC(2) jack.
Coaxial cable
(supplied with the IC-PW1)
Coaxial cable (from AH-4)
ANT1
Transceiver
Ground
AH-4
Control cable
Long wire or optional AH-2b
Use the [ANT1] connector when connecting a linear amplier.
IC-7400.qxd 02.4.2 11:35 Page 17
30


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