Elecraft KX3
firmware v2.04
Elecraft · Released May 23, 2014 · First seen Sep 14, 2026
Source:
elecraft.com
v2.04 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
Temperature sensing now works only in receive mode as temporary fix for transmit-mode accuracy issues.
- Temperature measurement disabled during transmit mode
- Fixes artificially shortened key-down time caused by incorrect readings
- Only applies when PA.2 temperature display is enabled
Written from Elecraft's release notes, which are printed in full below.
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What's in this update
MCU 2.04 / DSP 1.29
- KX3-2M TEMPORARY CHANGE TO TEMPERATURE SENSING: Some field-test units have a problem that results in inaccurate temperature readings while in transmit mode. This results in max key-down time being artificially shortened. In this temporary release (2.04), temperature sensing is only done in receive mode, and only if the PA.2 xxC temperature display is in use.
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