To	Do	Response
Device-Configuration with AnonymPortableStationCPS or Chirp	Turn on the device	First turn Device on, then Plugin Kenwood Connector
Firmware-Update QSPSUpdater	Turn on the device while holding down "PTT", then connect Cable	White LED turns on
Enable Special-Menü	Turn on the device while holding down "PTT" and "Side button 1".	They temporarily activate the special menu items 52-57.

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https://cn.linkedin.com/company/quanshengradios

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CHIRP-Website

https://cn.linkedin.com/company/quanshengradios

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Programming software with the ability to save the original firmware AND the original calibration data.

Source: Jacek Lipkowski (sq5bpf)
https://github.com/sq5bpf/k5prog

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Programming software (K5Prog with graphical Windows interface) with the ability to save the original firmware AND the original calibration data.

Source: OneOfEleven
https://github.com/OneOfEleven/k5prog-win

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