Elecraft KX3 firmware `v1.73`

Elecraft · Released Nov 1, 2013 · First seen Sep 14, 2026

v1.73 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

Adds DTMF tone generation in FM mode and removes KXPA100 fault limit overrides.

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

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DTMF TONE SUPPORT ADDED IN FM MODE: To generate DTMF tones: (1) Hold PTT; (2) tap FREQ ENT switch to enable DTMF keypad; (3) tap desired switches [0-9, * (ATU TUNE), # (MSG), A (MODE), B (A/B), C (DATA), D (A>B)]. Release PTT or tap FREQ ENT to disable DTMF keypad. Switches can be held indefinitely to generate longer-duration tones.
REMOVED KXPA100 FAULT LIMIT OVERRIDES. Use newest KXPA100 firmware, which already has these limits set.

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