Function:

//www.bilibili.com/video/BV16S4y1L7Zt/

Recording (local acquisition and online acquisition)

Playback (audio parameters adjustable)

Online speed change (adjustable speed)

Morse code decoding (two sets of mature decoding programs, three input modes, audio spectrum indication and tick waterfall indication)

Morse code text broadcasting (unlimited storage, adjustable side tone and adjustable speed)

CW keyer (touch key, adjustable audio speed)

Mqtt IOT CW communication (server address can be entered)

Morse code practice (audio, speed, adjustable keys, support free practice mode, follow practice mode, graphic memory mode, free definition mode (text can be pre stored), copy mode)

Secondary functions:

RTTY modulation and demodulation (audio adjustable)

Psk31 modulation and demodulation (not the main function, poor decoding effect)

Clock, call sign display, document editor, TF card reader, built-in wiring diagram manual, operator (run with USB keyboard or other programs)

With 8.4v power adapter (charger), it can directly punch 8.4v 2-string battery pack

Upgrade firmware st link V2 and other connecting cables from time to time. You need to prepare your own