Promax OD-610 User Manual page 30

Press the H2 menu selection button again and select OFF for Inverted
item. The waveform goes back to its original one as it is shown in
Figure 21.
To set bandwidth limit
►
When high frequency components of a waveform are not important to its
analysis, the bandwidth limit control can be used to reject frequencies
above 20 MHz.
Taking the Channel 1 for example, the operation steps are shown as below:
June 2017
Figure 20. Original Waveform.
Figure 21. Inverted Waveform.
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