Using spectral analysis
Use the following procedure for predefined spectral math expressions. See the online help for more information.
1. Select Math > Math Setup....
2. Choose one of the predefined spectral
math expressions.
3. Click Basic.
4. Click Resolution BW or Frequency Span
and use the keypad or the multipurpose
knobs to adjust the spectral display.
NOTE. Resolution BW and Frequency
Span are only adjustable in Manual
Horizontal Mode.
Use the following procedure to build an advanced spectral math expression.
Analyzing waveforms
DPO70000SX Series User 145