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Chapter 6 MATH and Measurements RIGOL
MSO2000A/DS2000A User’s Guide 6-23
Frequency Counter Measurement
The hardware frequency counter supplied with MSO2000A/DS2000A oscilloscope can
make more precise measurement of the input signal frequency.
Press Measure Counter to select CH1, CH2 or any channel of D0-D15 as the
measurement source. Besides, the signal input from the [EXT TRI G] connector can
also be used as measurement source. The measurement result is displayed at the
upper right corner of the screen and you can identify the current measurement
source according to the color of the icon. The following f igure is the result of
frequency measurement of the input signal of CH1.
Select “OFF” to disable the frequency counter measurement function.
Note: When the frequency of the input signal of the measurement source is lower
than 15 Hz, the measurement result displayed is “< 15 Hz”.
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