First, you should be using the MC26.exe executable, which is the Command Launcher for MC.
What you need is covered here:
https://wiki.jriver.com/index.php/The_Command_LineSpecifically, the command:
MC26.exe /ShowTreePath Television
If MC is running, that will change to the Television section of the Navigation Bar in Standard View. If MC isn't running you can either run the above command twice, or launch a batch file or VBScript to run:
MC26.exe
MC26.exe /ShowTreePath Television
The first line will launch MC, the second line will switch to Television. Of course, if you use a batch file you will want to make that run invisibly, which is easier in VBScript. Google can help with that.
I added both the above to my Logitech G15 keyboard G keys and they worked fine, although I didn't bother making the batch file invisible.
Also, as the MC Command Launcher is MC version specific you may want to implement Glynor's MCcl to make such keyboard configuration version agnostic. See:
https://yabb.jriver.com/interact/index.php/topic,81514.msg627715.html#msg627715https://glynor.squarespace.com/mcclhttps://blog.glynor.com/mcutilities