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adjustment can get the set frequency very rapidly, the subtle adjustment is still necessary because such kind of
rough adjustment will cause a little frequency offset.
The SE3001 uses PID control algorithm to accomplish the subtle frequency adjustment. The control module
compares the set frequency and the measured frequency, and decreases the difference between them to get a steady
and precise spinning frequency.
4.4 Frequency Display
The SE3001 uses a 320
×
240 LCD color display to show its menu and data. If the internal reference mode is used,
the display will show the internal reference frequency set by users. If the external reference mode is used, the
display will show the external reference frequency measured by SE3001.
