QRP Labs QDX
firmware v1_01c
QRP Labs · Released Nov 12, 2021 · First seen Sep 7, 2026
Source:
qrp-labs.com
v1_01c is not the latest firmware for the QRP Labs QDX: the current version is v1_10 (July 19, 2023). Go to v1_10
In short — summary by updatemystuff.com
Status LED flash patterns indicate audio status during transmission.
- 3 flashes: all OK, transmitting power
- 2 flashes: transmit mode but audio too low
- 1 flash: transmit mode but no audio
Written from QRP Labs's release notes, which are printed in full below.
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What's in this update
- Status LED flashes more info during TX to aid audio debugging on PC:
3 flashes means all OK, TXing power; 2 flashes means transmit mode, but audio level (volume) is too low; 1 flash means transmit mode, but there is no audio at all
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