Teledyne LeCroy LabMaster 9Zi-A - Manual (Page 159)

Getting Started Manual
922157-00 Rev A 151
WaveStream mode operates at up to 80 GS/s with an update rate of up to
several thousand waveforms/second for better capture of higher frequency
abnormal events.
Adjusting Trace Intensity
The I NTENSITY knob adjusts the brightness of your trace.
The intensity value is shown in the bottom-right corner of the screen.