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I cannot set amplitude below 1 V on model 4003A, 4010A, 4011A, 4012A, 4017A, or 4040A. Is something wrong?

Last Updated: May 01, 2014 12:24PM PDT
Q:  I cannot set amplitude below 1 V on model 4003A, 4010A, 4011A, 4012A, 4017A, or 4040A.  Is something wrong?

A:  No, there is nothing wrong with the unit.  Lower range of amplitude can only be set when you enabled the "-20dB" button from the front panel.  To enable, push the button so that it is in the pushed-in position. 
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