[Elecraft] 60 metre issue

[G4GNX]

Further to my messing about with tuners, I've just discovered that the K3 
will not allow me to tune an antenna below about 5.350MHz which appears to 
be the band edge in the USA.
In the UK, we're allowed to use 60M down to 5.258MHz, so it would be helpful 
to be able to tune the TX down to that. I've not tried to transmit voice or 
CW, but I assume the K3 won't allow that either?
Does anyone know of a way to persuade the K3 where the UK band edges are? 
I've perused the manuals and can only find a reference to eliminating the 
entire band from the band list.

73,

Alan. G4GNX