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a)
Before doing anything else, connect the tuner's grounding terminal.
Do not proceed with the installation, unless you have connected the tuner grounding
terminal marked GROUND to the lightning protection grounding or the radio station
grounding system, according to tuner installation location, see Section
Considerations, Explicit Definitions
Before connecting any cable to the tuner, use a voltmeter to make sure there is no AC or
DC voltage above 12 V from the pin of the cable connector to the grounding terminal of
the tuner, from the ring of the cable connector to the grounding terminal of the tuner,
and between the connector pin and ring!
b)
Assign the antenna numbers (1 to 4) in advance. After verifying that there is no dangerous
voltage, connect, one at a time, all available antenna cables to the respective antenna
sockets, ANTENNA 1 to ANTENNA 4 of the tuner, without fastening the connector rings at
first, so that the cables may still be axially turned and adjusted.
Lay out the cables in the necessary directions and attach them to the provided holes in the supporting bracket.
Finally, fasten the rings of the coaxial connectors so that swinging and vibrations from the wind will not loosen
them. If you need additional binding points besides the holes in the supporting bracket, affix the cables further,
e.g., up the mast or to other surrounding objects and walls. Use only UV-resistant materials!
Always leave a sufficient U-shaped slack in the cabling below the tuner's bottom level, so
that any water would drip off and not enter the tuner.
c)
Connect the RF coax from the radio station to the tuner socket labeled 50Ω RF +26 VDC
Power & Control in a similar way. If the distance to the radio station exceeds 30 m (100 ft),
we recommend using a RG213 type, an equivalent or a better cable. Lay out and attach the
input cable and fasten the connector ring.
Page 42 of 88 | S e c t i o n INSTALLATION
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch
DANGER
.
WARNING
NOTICE
1.9 Safety
October 2023
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