How to switch from VFO A to VFO B

[iw5akt]

Hi everyone,
I use Log4OM 2 2.19.00 interfaced with the Kenwood TS-480SAT interfaced with the CAT and it works perfectly, I just have a problem I can't understand which command to give to the program to switch from VFO A to VFO B.
In the manual I found how to switch from radio 1 to radio 2, but I only have one radio and it displays the frequency of the two VFOs but I can't how to switch from one to the other.
Thanks for the help you will want to give me.

[G4POP]

Changing the VFO on the radio is reflected by the software, you cannot select the VFO within the program

You can however change the frequency of each VFO in Log4OM by hovering your cursor over the read out and rotating the mouse wheel - This works in the main display and also the CAT window

[iw5akt]

Thanks for the reply Terry.