The difference between professional navigation & business

[monkadill]

and how can i tell which one i have?

 

[Stuart Truman]

If you have a pop up screen you have pro nav.

 

[pvr]

Business is just on the radio and works with arrows.

99.99999% of the units were professional ...

 

[monkadill]

cheers - was a bit of a muppet question..