QRP Labs QCX+
firmware v1.00f
QRP Labs · Released Aug 1, 2018 · First seen Sep 7, 2026
Source:
qrp-labs.com
v1.00f is not the latest firmware for the QRP Labs QCX+: the current version is v1.09a (April 28, 2022). Go to v1.09a
In short — summary by updatemystuff.com
Improved Si5351A error display; enhanced diagnostics, configuration precision and stability
- Si5351A failures now show error message instead of blank screen
- Fixed tuning and RIT rate initialization corruption
- Improved I-Q balance and Phase configuration precision
Written from QRP Labs's release notes, which are printed in full below.
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What's in this update
- Display "Si5351A Error" rather than blank screen, in the event of Si5351A failure
- Toggle LCD D5 during "Band Select" as a diagnostic
- Increase I-Q balance and Phase Lo/High configuration frequencies by 1 digit (Allows 1500Hz offset alignment)
- Bug fix: Sometimes corruption in initialization of tuning and rit rate
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