----- Original Message ----- From: "arnie" Subject: Re: another istD issue
> yes rob, i can remember days when we used to use such old fashined > information recording devices. of course then if your off by one number your > test results are reversed, and because you have no feedback you need to take > many more pictures of that dont walk signal. all in all more work than i'm > actually interested in doing. here i went out and 5 minutes and six pictures > later, i had my answer. It is pretty difficult to keep these sort of things straight. William Robb
