Rigol DSA815, User Manual

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RIGOL Chapter 2 Front Panel Operation
User’s Guide for DSA800/E Series
2-18
Figure 2-7 After Auto Range
Key Points:

Unlike Auto Scale, this function can solve the problem of signal overrange due
to parameter settings and adjust the maximum mixing level according to the
signal under measurement.

Unlike Auto, this function adjusts the signal within the current channel and
does not modify the channel frequency setting. While, Auto will search for
signal within the full frequency range and locate the signal at the center
frequency.