microHAM MK2R
firmware v2.2
microHAM · Released Oct 17, 2007 · First seen Sep 9, 2026
Source:
microham.com
v2.2 is not the latest firmware for the microHAM MK2R: the current version is v7.19 (October 8, 2020). Go to v7.19
In short — summary by updatemystuff.com
Fixed data loss bug in computer-to-keyer communication and PS2 keyboard freeze.
- Fixed data loss from computer to keyer
- Fixed PS2 keyboard freeze
- CW output and paddle PTT restricted to CW mode
Written from microHAM's release notes, which are printed in full below.
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What's in this update
- serious bug fixed: Under some circumstances a data sended from computer to keyer could be lost. It caused various undesirable keyer behavior (incorrect PTT configuration, incorrect WK commands, lost data for WK, ...)
- bug fixed: PS2 keyboard/pad sporadically freeze in state in which it didn't respond to key strokes.
- CW output is allowed only in CW mode.
- PTT from paddle is generated only in CW mode. WinKey command "PTT On/Off" still can be used to generate PTT in non CW modes.
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