PS: I just heard that to work on Diamonds avionics you need to connect external power ? Is that with other G1000 installations also the case ?
Yeah it stops the battery going flat you
muppet.
And two rules which apply
1. Don't argue with a fool. The spectators can't tell the difference.
2. Never argue with a fool, they will lower you to their level and then beat you with experience.
So lets all be warned