Arcom Controllers RC210 (M128 CPU) firmware v4.40

Arcom Controllers · Released Oct 10, 2005 · First seen Sep 9, 2026

Source: arcomcontrollers.com

v4.40 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

Eliminates white noise from DVR recordings and adds AP1 memory download, plus fixes Speak Delay and CTCSS bugs.

  • DVR white noise eliminated
  • AP1 memory download added
  • Speak Delay bug fixed

Written from Arcom Controllers's release notes, which are printed in full below.

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What's in this update

New feature added Added code to allow complete download of AP1 memory to RCP Fixed bug with Speak D​elay, where it didn't delay sending CW after xmtr came up.

Reworked DVR code, to speed up COS closure when recording DVR track.

This eliminates burst of white noise at end of recording track (especially noticeable with User DVR function).

Audio crosspoint switch is now properly initialized, as long as it is not being used.

CTCSS Encod​e Control from a Command Macro now works properly Reworked some of the remote base code, particularly the Yaesu and Kenwood mobile section, to provide better reliability.

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Other versions for this product

See the full firmware history for the RC210 (M128 CPU)