So when installing a tune using an SCT XCal2 I know you follow the instructions on the screen. What do I answer to these questions?

1. Change optional parameters? No?

2. Keep Previously entered options?

Then when I've ansered all the questions and it goes back to the main page, just unplug it?

 

http://www.youtube.com/watch?v=9ffp2uUtgGQ

i had the same questions.....the vid helps to answer
them.....

 

Thanks for the vid