notebook / multiple visual displays - activation and control

[David Timms]

Andrea Dell'Amico wrote:
> You can use it in F-8 too, only no graphical utility exists. Use
> 
> xrandr --auto
> 
> to activate the external monitor, that's the basic functionality. You'll
> find more examples on the man page, and on the net.
OK, on F8, xrandr --verbose --auto does it to turn clone of the vga OP 
connector on off depending on whether it is plugged in.

How would I tie that command to Fn-F4 ?

DaveT.