Posted by Randy on May 19, 2005 at 23:02:15:
In Reply to: PADI Wheel versus Tables posted by Mojo Mike on May 15, 2005 at 21:56:17:
The wheel uses 5-minute increments for bottom time (verses 10-minutes), and credit for muilti-level diving (verses your deepest depth counted for the entire dive) however, it is easy to make a mistake with it, based upon how you line up the indicator mark (it is also easy to forget how to use it, if you don't practice). Use a computer and have a table for a back up.