3 Using the Oscilloscope
48 Keysight U1610/20A User’s Guide
Figure 3-2 Waveform before and after inversion
Bandwidth limit control
Press   and press   repeatedly to set the maximum 
bandwidth for a channel to 10 kHz or 20 MHz. For waveforms with frequencies 
below the bandwidth limit, turning on this control removes unwanted 
high-frequency noise from the waveform.
Return to zero
Press  >   to return the vertical offset to zero for 
both channels.
Before inversion
After inversion