Apologies for simple question.
I have searched the posts and seen discussions regarding isobars however I have missed something basic and so far have been unable find out how to "switch on" isobars.
Would welcome info on how to do this......
Regards
Tony
Apologies for simple question.
I have searched the posts and seen discussions regarding isobars however I have missed something basic and so far have been unable find out how to "switch on" isobars.
Would welcome info on how to do this......
Regards
Tony