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RIGOL Chapter 2 Front Panel Operation
User’s Guide for DSA700 Series
2-4
Stop Freq
Set the stop frequency of the current channel. Press this key to switch to start/stop
frequency input mode. The start and stop frequencies are displayed at the lower
left and right sides of the grid respectively.
Key Points:
The span and center frequency vary with the stop frequency. The change of
span would affect other system parameters. For more details, please refer to
"Span".
In Zero Span mode, the start frequency, stop frequency and center frequency
are always the same. If one is changed, the others are updated to match.
You can modify this parameter using the numeric keys, knob or direction keys.
For more details, please refer to "Parameter Setting".
Freq Offset
You can set a frequency offset value to account for frequency conversions between
the device under test and the input terminal of the spectrum analyzer.
Key Points:
The change of this parameter only changes the display values of the center
frequency, start frequency and stop frequency; but does not impact any
hardware settings of the spectrum analyzer.
You can modify this parameter using the numeric keys, knob or direction keys.
For more details, please refer to "Parameter Setting".
To eliminate an offset, you can perform Preset operation or set the frequency
offset to 0Hz.
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