Folks, thanks to everyone who participates in testing.
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So, a little addition.
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There is no need to connect the analyzer in advance in the Bluetooth menu of the operating system. The AntScope2 program will automatically find the analyzer. If you already have an analyzer "paired" then try deleting it.
This may be important for Windows 10. For Windows 11, I did not notice any difference.

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As practice has shown, when AntScope2 is first launched and connected to the analyzer, the probability of failure will be 99%.
Therefore, we close AntScope and start it again. This time the success rate is about 100%.
It is not yet clear why this is happening.
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There are failures when taking a screenshot of the analyzer via the BLE.
Transferring saved data from the analyzer to a PC usually works fine.
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I remind you that full support for BLE in the Windows kernel appeared only in Windows 10 later releases.
Therefore, even if you are using Win 10, then it is in your version that full support for BLE may not be available.
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For macOS, we have the ability to make the program version only in .dmg
If you get an error that this program cannot be launched because it was not downloaded from the App Store, then try this tip:?https://www.easeus.com/computer-instruction/open-dmg-files-on-mac.html#Method_4_Open_Dmg_Files_When_the_Error