Arcom Controllers RC210 (M128 CPU)
firmware v4.2
Arcom Controllers · Released Apr 1, 2004 · First seen Sep 9, 2026
Source:
arcomcontrollers.com
v4.2 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
Faster speech synthesis, improved Kenwood radio DTMF support, and Speech ID Override persistence fix.
- Speech synthesis significantly faster when combining vocabulary words
- Improved Kenwood radio DTMF control support
- Fixed Speech ID Override flag not surviving device reset
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 small enhancements and one bug fix Fixed bug where setting Speech ID Override flag didn't survive a reset.
Problem was that non-volatile memory was not properly written when this flag was programmed.
Significantly speeded up speech when piecing together sentences and phrases from individual vocabulary words Added better support for Kenwood radios that allow control via DTMF into mic port
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