User Manual

RIGOL 6 To Make Measurements
DS4000 Users Guide
6-20
Frequency Counter Measurement
The hardware frequency counter supplied with this oscilloscope can make more
precise measurement of the input signal frequency.
Press Measure Counter to select anyone of CH1 to CH4 as the 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 figure is the result of frequency measurement of the input signal
of CH1.
Select OFF to disable the frequency counter measurement function.