Elecraft KX3
firmware v2.72
Elecraft · Released Feb 27, 2017 · First seen Sep 14, 2026
Source:
elecraft.com
v2.72 is not the latest firmware for the Elecraft KX3: the current version is v3.02 (April 8, 2022). Go to v3.02
In short — summary by updatemystuff.com
Fixed sidetone hang in digital modes and corrected PX3 preamp data updates.
- Sidetone hang fixed for slow digital mode transmissions with paddles
- PX3 preamp data now syncs correctly with menu preamp adjustments
Written from Elecraft's release notes, which are printed in full below.
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What's in this update
MCU 2.72 / DSP 1.49
- PX3 UPDATED WITH CORRECT PREAMP DATA: When the MENU: PREAMP setting is changed, we now update the PX3.
- PSK-D/FSK-D SIDETONE HANG FIXED: Corrected a problem where sending characters at very slow speeds or with paddles continuously pressed could cause a transmit timeout, leaving the sidetone on.
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