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5.3.10. Frequency Counter function
The frequency counter function can accurately measure the signal frequency. After
clicking the Frequency Counter menu the Frequency Counter window will appear on
the screen, as shown below. The user can select the channel to be measured (CH1 or
CH2). There are four updating time to choose from (0.2, 1, 5, and 10 seconds). The
longer the updating time, the higher the precision will be. When using the frequency
counter function, we recommend adjusting the oscilloscope sampling frequency to
the maximum setting to increase precision. The signal must be able to induce trigger
so the frequency counter can display the accurate data.
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