Arcom Controllers RC210 (M128 CPU)
firmware v4.22
Arcom Controllers · Released Apr 23, 2004 · First seen Sep 9, 2026
Source:
arcomcontrollers.com
v4.22 is not the latest firmware for the Arcom Controllers RC210 (M128 CPU): the current version is v6.0454 (January 5, 2021). Go to v6.0454
In short — summary by updatemystuff.com
CTCSS Encode control line now programmable to active open collector or active low; fixes unwanted speech in macros.
- CTCSS Encode control line programmable to open collector or active low
- Fixed unintended speech output from command and message macros
Written from Arcom Controllers's release notes, which are printed in full below.
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What's in this update
minor upgrade with one new feature addition and one minor bug fix Fixed bug in command and message macros where using the maximum space available for each might produce extraneous speech to occur.
The CTCSS Encode control line is now programmable to be either an active open collector or active low.
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