QRP Labs QDX-M 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-M: the current version is v1_10 (July 19, 2023). Go to v1_10

In short — summary by updatemystuff.com

Status LED now flashes patterns during TX to show transmission mode and audio level.

  • 3 flashes = transmit OK with proper audio level
  • 2 flashes = transmit mode, audio level too low
  • 1 flash = transmit mode, no audio detected

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 m​ore 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 flas​h means transmit mode, but there is no audio at all

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Other versions for this product

See the full firmware history for the QDX-M