Testing Performance 2
Keysight InfiniiVision 1200 X-Series and EDUX1052A/G Oscilloscopes Service Guide  35
 
The trigger is stable when the displayed waveform is stable. If the trigger is 
not stable, try adjusting the trigger level. If adjusting the trigger level makes 
the trigger stable, the test still passes. If adjusting the trigger does not help, 
see the “Troubleshooting” chapter. Then return here.
f Record the result as Pass or Fail in the Performance Test Record (see 
page 36).
g Repeat this step for the remaining oscilloscope channels.