![Icom AH-4 [2/4] Installation](/img/pdf.png)
Icom AH-4 [2/4] Installation
![Icom AH-4 [2/4] Installation](/views2/1074344/page2/bg2.png)
Fig. 2 CABLE CONNECTIONS (ex. IC-706MKII)
Coaxial cable
IC-706MKII rear panel
Control cable
Bottom cover
GND
Top cover
PL-259
connector
Antenna element
AH-2b (optional)
J8
J2
black (GND)
red (DC13V)
white (START)
green (KEY)
GND
✍ NOTE: After inserting the coaxial cable into the AH-
4 top cover, solder the PL-259 connector to the
coaxial cable.
➀ Remove the top cover (Fig. 1).
➁ Install the control cable and coaxial cable (Fig. 1).
➂ Connect and solder the PL-259 connector to the
coaxial cable (Fig. 4).
➃ Connect the control cable to the AH-4 (Fig. 2).
➄ Connect the GND cable to the AH-4 (Fig. 3).
➅ Replace the top cover.
➆ Mount the AH-4 in the desired location; on an an-
tenna pole, in your vehicle’s trunk, etc. (Fig. 5).
➇ Connect an antenna to the AH-4 (Fig. 6).
➈ Connect the control cable and the coaxial cable to
the transceiver.
INSTALLATION
Fig. 1 COVER REMOVAL AND CABLE
INSTALLATION
➀ Remove 8 screws from the top cover and remove
the cover.
➁ Loosen the screws on both cable clamps. If de-
sired, install a strain relief insert (supplied) corre-
sponding to the diameter of the cable.
➂ Install the coaxial cable through the top cover
cable clamp.
➃ Install the control cable through the bottom cover
cable clamp.
➄ After connecting the coaxial cable and control ca-
bles, tighten the cable clamp screws.
Strain relief
insert
Coaxial
cable
Control
cable
Cable
clamp
✍ NOTE: For the IC-756
and IC-746, connect
to ANT 1.
Fig. 3 GROUND CONNECTIONS
Copper pipe Metal object Copper screen
To AH-4 GND terminal
The transceiver and antenna tuner must have an ade-
quate ground connection. Otherwise, the overall ef-
fency of the transceiver and antenna tuner installation
will be reduced. Interference, RF feed back and elec-
trical shocks from other equipment could also occur.
For best results, use the heaviest gauge wire or strap
available and make the connection as short as possi-
ble. (see right)
• A long wire connected to the GND terminal as a counter-
poise is also acceptable.
• Ground example
Содержание
- Danger µ 1
- Features 1
- Hf 50 mhz automatic antenna tuner 1
- Instructions 1
- Supplied accessories 1
- Fig 1 cover removal and cable installation 2
- Fig 2 cable connections ex ic 706mkii 2
- Fig 3 ground connections 2
- Installation 2
- Fig 4 pl 259 connector soldering 3
- Fig 5 mounting the ah 4 3
- Fig 6 mounting examples 3
- Mounting on a flat location 3
- Mounting on an antenna pole 3
- Screw the coupling ring onto to the connector body 3
- Slide the connector body over the cable and sol der as shown at left 3
- Slide the coupling ring over the coaxial cable strip the cable jacket and pull it down to reveal 10 mm 0 in of braid 3
- Strip the cable as shown at left tin the center con ductor the entire length of the exposed braid 3
- Count on us 4
- Operation 4
- Options 4
- Specifications 4
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