User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier
Sec t i o n MAINTENANCE | Page 59 of 76
Depending on the number of fault events stored in the memory, the transmission may take between 0.5
and 12 seconds. A pause of 6 seconds follows, then transmission starts again. The data can be read in a
plain-text format with a computer, using a standard terminal emulating program (TTY).
You can send the recorded file to your dealer or to ACOM accordingly. They could also provide the
necessary instructions, if you choose to decode the downloaded hexadecimal data by yourself.
To decode the downloaded hexadecimal data you have to use the ACOM Hard Faults Signatures Converter
(Excel file) for your amplifier model, distributed by ACOM free of charge. You can download ACOM Hard
Faults Signatures Converter from www.acom-bg.com.
The ACOM Hard Faults Signatures Converter for amplifier ACOM 2020S is a functionality
under development and will be available in a future.
7.5. Firmware
7.5.1. Firmware Versions
The history of available ACOM 2020S firmware versions is shown in Table 7-1 | Firmware versions history.
Table 7-1 | Firmware versions history
Amplifier CPU Module firmware / Notes
RCU model R05 firmware / Notes
Backend / Base firmware version;
Interface / Base firmware version;
Table 7-1 | Firmware versions history
The new firmware is issued as a file, for example ACOM_2020S_CPU_FW V1.3 - 25.11.2021.DAT. You can
download the available firmware from www.acom-bg.com free of charge.
7.5.2. Prequistments
Before you change the firmware version, check the new version compatibility with the
revisions of the hardware and of the boot loader in your amplifier (see Figure 5-8 | Menu
FAULTS LOG). If you have any doubts about the versions, please, consult your dealer
before you undertake any action.
When ACOM issues a new firmware version, the user can upload it in the amplifier after he checks the
compatibility. When compatibility is confirmed a return to an earlier version is also possible.
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