QRP Labs QMX Multimode Transceiver Operating Manual

The QRP Labs QMX is a high-performance, five-band, multimode 5W QRP transceiver kit. It integrates a sophisticated Software Defined Radio (SDR) receiver within a 168MHz 32-bit ARM Cortex M4 microcontroller (STM32F446). This manual details its operation, covering features developed through ongoing firmware advancements.

Key Features

High Portability: Compact design and low current consumption make it ideal for portable operations like SOTA and POTA activations.
Versatile Operation: Functions as a standalone CW transceiver or a Digimodes modem when connected to a PC via USB, supporting software like WSJT-X.
Advanced Tuning: Features a synthesized VFO with a rotary encoder for tuning, offering dual VFOs (A/B), RIT, and adjustable tuning rates.
Integrated CW Keyer: Includes an Iambic keyer with configurable modes and variable speed, supporting straight key operation as well.
Digital Modes Support: Built-in USB soundcard and CAT control enable seamless integration with digital mode software.
Beacon Functionality: Supports CW, FSKCW, and WSPR beacon modes, with optional GPS integration for time and frequency discipline.
User-Friendly Interface: Features a clear LCD display, intuitive controls, and a comprehensive menu system for configuration.
Connectivity: Offers various connectors including paddle, audio, DC, RF (BNC), PTT, and USB-C for PC interaction and accessories.

This manual provides essential information for operating the QMX, from basic controls and display elements to advanced menu system configurations, terminal applications, and firmware updates.

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QRP Labs QMX Multimode Transceiver

Key Features

References

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