Hi I thought it would be a good idea to get a USB isolator for my 2206 as the Dell laptop I use is grounds the USB socket through to the mains plug. In this area (south Asia) the earth pin of the outlet can be anywhere up to 120v above true ground! Just wondered if others have used such devices. Gra...

I have just started using the 2206 and upgraded to the latest software. I was using the spectrum mode to check a phone line dial tone. The two frequencies detected were twice what I expected. As a test I set the generator to 1KHz and the sweep to 5Khz and fed it to CHA. Again the scale showed a 2KHz...