8.  Press Peak-Detect and see 
that a spike noise is 
captured. 
The peak detect mode reveals the occasional glitch. 
When delay time is ON, the displayed output is 
delayed for a defined amount of time from the 
trigger point.  Using the delay function is useful 
for observing an area of the waveform that occurs 
some time after the trigger point.   
With Delay On the expansion point and trigger 
point become separated by the amount of delay 
time. As the delay time is increased the trigger 
point moves left from the expansion point. When 
the horizontal scale is adjusted, the waveform 
expands from the expansion point, not the trigger 
point.