Gamma Spectrometry Forum

My name is Aaron Morris and I'm the main technical person at RSSI, a small health physics consulting company in Morton Grove, IL. (Also the QA Officer, certified radon measurement professional for a number of jurisdictions, and a host of other titles besides (we're a small company).) In general, I'm...

If I recall correctly, and I'd have to dive into our calibration files to check, I think that dial needs to be set to "A" to calibrate and then back to "0" for normal operation. At least, I seem to recall that as a note on calibration certificates we issue.