Preferred channels values display mode

[ajjjjjjjj]

Lets sort that out.
Most of the radios are build by default with "100.0" - single fraction point formatting. With recent builds i went for "100" no fractional point, just percent. With old releases it was raw PPM "1500".

Which one do you prefer?

[ajjjjjjjj]

Closing since this is now customized in Radio setup.
#457