Automatic Map Updates

Originally Posted by Mittelwaechter

I don't know what happens with map contacts on, I never use it. But with a raised scope any contact (ship or aircraft) drops me out of TC whenever the contact comes in visual range.
This is my signal to dive while snorkeling.
If I get a hydrophone contact - fine.
If not - I wait for the bombs to fall behind me.
If nothing happens the bee didn't see me.

Interesting; this seems contrary to what I have experienced except when the mast-mounted radar detector picks up a signal but if that's how it works for you - Excellent and Good Hunting!