When used together with at least one GoFlight GF-P8 8-pushbutton/LED module, the GF-166 radio mode can be linked to one or more buttons on the GF-P8. This allows you to select between one of the six radio modes while in flight, allowing one GF-166 to operate GoFlight software provides a group of GF-P8 button functions with names GF166__FUNC_COM1, GF166__FUNC, COM2, etc., where equals a GF-166 unit number between 1 and 7. When these functions are assigned, the GF-166 radio mode is changed when the associated GF-P8 button is pushed.