Chapter 6 Operations and Measurements RIGOL
DS4000E User’s Guide 6-35
To Turn the Frequency Counter On/Off
The hardware frequency counter supplied with this oscilloscope can make more
precise measurement of the input signal frequency.
Press Measure Counter and turn the multi-function knob to select the
desired channel as the measurement source of the frequency counter. You can also
press Counter continuously to switch the current measurement source. Any of CH1
to CH4 or EXT can be selected as the measurement source. When “OFF” is selected,
the frequency counter measurement function is turned off.
The measurement result is displayed at the upper right side of the screen. The color
of the icon corresponds to that of the current measurement source. The following
figure is the result of frequency measurement of CH1.
Note: When the frequency of the input signal of the measurement source is lower
than 15 Hz, the measurement result displayed is “< 15 Hz”.
To Set the Measurement Results Display
1. To Set the Font Size of the Measurement Results
The one-key measurement results can be displayed at the bottom of the screen
in different font size. Press Measure FontSize to select "Normal", "Large"
or "UltraLarge".
If "Normal" is selected, measurement results of 5 items are displayed.
If "Large" is selected, measurement results of 4 items are displayed.
If "UltraLarge" is selected, measurement results of 3 items are displayed.
2. To Turn the Measurement Results Display On/Off
Press Measure DisItem and select "ON" or "OFF" to turn the one-key
measurement results display on or off.
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