Quote:   Hi Elias,   Thanks for your reply. :) But I'm still curious that could I get more close/precise value as the factory setting with multimeter?   Regards, lhan  

Hi Elias,   I just got a DAC1 recently (non USB or other, REV.C) and I want to use the Calibrated mode to output. But the prior user tuned the trim-pot, I want to turn it back to the factory setting. Sorry I can't wait your reply and I've done the tests below:   I used a multimeter...