Wiki source code of 2.5.6-hilbert release notes
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| author | version | line-number | content |
|---|---|---|---|
| 1 | **Features**: | ||
| 2 | |||
| 3 | * The rear USB port can now be switched between **Host (Master)** and **Slave** modes via the menu. | ||
| 4 | |||
| 5 | [[image:1777545492264-514.png||height="450" width="800"]] | ||
| 6 | |||
| 7 | * In **USB Slave** mode, added composite USB gadget support with a virtual COM port (**CAT control**) and a virtual audio device for PC connection. | ||
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| 11 | * Reworked the internal DSP filters: latency reduced by **20 ms**, and the RX/TX passband lower limit was extended down to **50 Hz**. | ||
| 12 | * Improved unwanted sideband suppression to **-90 dB** across the entire audio range. | ||
| 13 | * RIT/XIT are now automatically disabled in **Split** mode. | ||
| 14 | * Redesigned the boot and startup splash screens. | ||
| 15 | * Improved the automatic update mechanism for the kernel and other system components. | ||
| 16 | * Added **Recovery Mode**: to recover a bricked device, power on the transceiver while holding the **PTT pedal**. The transceiver will boot from the recovery partition and connect to the remote server for troubleshooting. |