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1. GENERAL INFORMATION
Congratulations on purchasing one of the finest antenna tuners in the world today.
ACOM is pleased that you have chosen one of our products, and we will endeavor to provide you with the
information and support you need to enjoy your purchase for many years.
We urge you to read all of the following materials before you embark on operating your new antenna tuner.
1.1. Introduction and Description
This manual explains:
Installation
•
Operation and
•
Maintenance
•
of the ACOM 04AT remote automatic antenna tuner for HF + 6 m with integrated four-way antenna switch.
The ACOM 04AT tuner is specifically designed and developed to work exclusively with the
ACOM series of solid-state (transistor) amplifiers:
- ACOM 500S, 600S, 700S, 1200S, or ACOM 2020S.
ACOM 04AT automatically selects one of four available antenna outputs (as assigned in bands by the
operator) and matches the impedance of the chosen antenna output by transforming it to 50 Ohm with SWR
below 1.5:1 at the tuner input (typically below 1.3), providing an optimum load impedance for the amplifier.
Any necessary readjustments are swift, following the frequency changes and antenna selections.
Page 10 of 88 | S e c t i o n GENERAL INFORMATION
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch
October 2023
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