Hi All !

If you get no response to bandchange than try this parameter in the setup of WSPR2.

Menu -> Setup -> Station Parameters -> Handshake

Select "Hardware" and add "-C write_delay=0" so that this is shown:
Hardware -C write_delay=0

It worked for my FT-950.
I think it could work for other TRX as well.

Background:
The hamlib rigctl is using as default for write_delay 50ms.
(But the listing of parameters with -L shows default 0ms.)
This gives to long delays between the transfered bytes of data and therefor the FT-950 cannot recognize the commands.

73, Michael
OE1MSB