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Agilent 2012A vertical zooming behavior with offset voltage

Question asked by darshana on Feb 27, 2014
Latest reply on Feb 28, 2014 by algoss
I am trying observe a DC signal which has a offset around 3.2V-3.3V with the maximum vertical resolution using an Agilent 2012A oscilloscope. When the V/div is greater than 500mV I can change the voltage offset to +/- 50V which is fine. But when I reduce  the vertical resolution to 200mV/div or below. The maximum offset voltage is fixed at +/- 2.00V. Is there a way to observe the signal?. Thank you.