Thanks for the responses. Trip Computer sounded interesting so I went looking for it. Wasn't there. Must have been deleted at some stage, but I eventually found out how to get it back. It's pretty close to what I want, but there's no Start button as John CNA suggested. You have to go through several keystrokes to Reset when you're ready to go. Other that, it's what I was looking for, so thanks.
Mineral2: Yes, there is a Stopwatch, a type of Lap Logger, which logs time and distance but no other options. It's okay, but for a certain application I wanted to see other parameters as well.