(Back on the list after the move - note the new e-mail address, folks. JUST got the e-mail computer running here.) There's a metal backed tape someone suggested, used for interior decorating; I've looked but couldn't easily find some. I know I've seen adhesive-backed copper and gold tape sheets, but that gets pricey... Right now, I just "cheat" - I snip out a little piece of Aluminum foil, and Electrical tape it to the top of the /JW part. Works pretty well, really! Mark William M. Smithers wrote: > > What's the preferred method for covering JW part windows > during use? I seem to recall someone saying black > electrical tape isn't UV proof, and I wanted something > a bit more professional looking, anyway. Needs to be > opaque, as ambient light screws up the on-chip A/D. > > Thanks, > > -Will > William Smithers > Tradeware Corp. > 99 Wall Street > New York, NY 10005 > 212-809-7700 > 212-809-7049 (FAX)