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Last modified by UT2UK on 2026/04/30 15:44
From version 4.1
edited by UT2UK
on 2026/04/30 13:38
Change comment: Uploaded new attachment "1777545537835-544.png", version {1}
To version 15.1
edited by UT2UK
on 2026/04/30 13:50
Change comment: There is no comment for this version

Summary

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7 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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13 +[[image:1777545531725-172.png]] [[image:1777545537835-544.png]]
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11 11  * Reworked the internal DSP filters: latency reduced by **20 ms**, and the RX/TX passband lower limit was extended down to **50 Hz**.
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12 12  * Improved unwanted sideband suppression to **-90 dB** across the entire audio range.
13 13  * RIT/XIT are now automatically disabled in **Split** mode.
14 14  * Redesigned the boot and startup splash screens.
15 15  * Improved the automatic update mechanism for the kernel and other system components.
27 +* Optimised DSP code to reduce memory and core utiliztions.
16 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.
29 +* Total measured end-to-end latency from the antenna input to the PC audio output in USB mode is **128 ms** (**EAX mode: 150 ms**). Those valuse wil be improved  in the next relases.
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