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Weird phase behavior on 33600A Series Waveform Generator

Question asked by braver on Feb 26, 2016
I’ve encountered what looks like a software bug on the 33600A waveform generator. When updating the sync source of the trigger output the phase of that channel resets. This new offset in phase is then used until power down. The new phase offset can still be changed but the degrees difference will still be off by a certain amount.  I’ve added a video for clarity.

I was wondering if this bug is known and if there is a fix available. I couldn’t find any documentation of this behavior online.