QRP Labs QCX+ firmware `v1.04`

QRP Labs · Released Mar 15, 2020 · First seen Sep 7, 2026

v1.04 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

Improves CW display, adds CAT commands, and enhances message control

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

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Add new CAT command KS to get/set key speed
Add new CAT command AG0 (audio gain) for compatibility with N1MM logger
Add menu "7.10 CAT Notify", when enabled, operator change sends a CAT QU notification message
Add menu "7.11 Delim." to let you change the thousands delimiter characters in the frequency display
Cancel automatic message sending with a key tap, without transmitting that key tap
Now when tuning, decoded CW display is not temporarily blanked
Menus changed from two options, to ON/OFF, to save codespace: 3.7 CW-R, 4.6 Semi QSK, 7.5 Cursor Blink
Display G if GPS plugged in caused the practice mode, or M if transmitting message
Bug fix: CAT responses had a NULL character after any frequency output, which upset some software using CAT
Bug fix: Realtime clock wasn't updated during automated message transmission
Bug fix: On manually setting realtime clock, the display was updated showing frequency - causing confusion
Bug fix: Connecting GPS causing automatic practice mode to be entered incorrectly refreshed screen when in menu
Bug fix: In Split VFO mode when Clock and CW decoder enabled, left character of real time clock was deleted temporarily
Bug fix: Decoded CW could be written to wrong parts of the display under some circumstances
Bug fix: When editing text, "Enter Right (finished)" did not work; "Enter (finished)" did what Enter Right should do.

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