User`s guide

Chapter 4 Using the Microcal Diagnostic Utility 101
3. Type N to view the noise levels without changing the current
frequency. The following screen appears:
4. Touch the box in the lower right corner and hold your finger to the
screen.
5. Observe the fluctuating bars in the Percent Noise plots. Look at
the peak noise plot with the current setting, and then try other
frequency levels. The best setting is usually between 0 and 1.0.
6. Press F10 to hold the bar at peak.
The objective is to reduce the peak and average noise levels in these
plots by changing the frequency.
Continue to adjust the frequency until you find the best setting. If you
can obtain a good performance at many frequencies, choose the
highest frequency to obtain optimum performance. In general, a
higher frequency produces a stronger signal.
If you still need to adjust the frequency, press Esc to return to the
Noise Check screen.