Posted for "John Hafen" <j.hafen@comcast.net>:

 Gents:
 
From this and other posts, I understand the need to turn on the boost pump
 ascending through 10,000, as well as the need to turn off the boost
 descending through 10,000 feet.  Thank you.
 
 My question is: How is a guy supposed to know that short of happening across
 it in an email?