Lab599 TX-500 Discovery
firmware v1.23.09
Lab599 · Released Dec 6, 2024 · First seen Sep 7, 2026
Source:
lab599.com
v1.23.09 is not the latest firmware for the Lab599 TX-500 Discovery: the current version is v1.30.00 (August 13, 2026). Go to v1.30.00
What's in this update
Added support for the BP-550 Battery Pack Adjusted the CW key speed
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