microHAM DIGI KEYER firmware v1.8

microHAM · Released May 15, 2005 · First seen Sep 9, 2026

Source: microham.com

v1.8 is not the latest firmware for the microHAM DIGI KEYER: the current version is v5.4 (March 5, 2008). Go to v5.4

In short — summary by updatemystuff.com

Serial PTT now supports configurable delay; PTT2 removed from WinKey and foot switch

  • Serial PTT supports configurable delay
  • PTT2 removed from WinKey and foot switch
  • New 'any PTT on' flag for router v2.0

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

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What's in this update

  • Added new input fla​g "any PTT on" that is needed by router v2.0 to display current rx/tx state on audio page.
  • PTT2 from WinKey is no longer generated (PTT1 still generated by WinKey)
  • PTT2 from foot switch is no longer gener​ated (PTT1 always delayed)
  • Serial PTT (both PTT1 and PTT2) can be delayed according to configuration.
  • Only one delay constant is used for both PTT1 and PTT2, second is reserved for extension.

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Other versions for this product

See the full firmware history for the DIGI KEYER