Hello:
I am a new user, and just received one of the recent, but not "-H" versions of the NanoVNA.
It seems to have a build date of second half 2019. No case, but shielded, and the sides are open,
with removeable backplate to see the battery and RF shields.
Is there a command, either in the PC software via USB cable, or else via the USB serial console,
that will show what version firmware I have?
Second, how can I tell if I can use the newer firmware, perhaps the H version, so that I can
get the added features such as TDR?
Sincere Thanks for helping/teaching.
Neal, N6YFM
================================
Neal,
Welcome to the group!
I suggest installing the NanoVNA-saver software.
IIRC it can show the firmware level. It /may/ also be displayed when you boot the device (mine doesn't).
73,
David GM8ARV
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David J Taylor