Chapter 2 Operating Your Frequency Counter
Using the MEASURE Menu Keys
Operating Guide 2-13
2
To Measure Frequency Ratio (Optional)
1 Connect signals to be measured to channels 1 and 2.
2 Press Other Meas key until RATIO 1 TO 2 is displayed to measure the frequency
ratio between a signal applied to CHANNEL 1 input and a signal applied to the
optional CHANNEL 2 input.
RATIO 1 TO 2 will be momentarily displayed and the Freq, Ch1, and Ch2
annunciators will light. The Counter will be ready to measure the frequency ratio of a
signal applied to CHANNEL 1 in relation to a signal applied to CHANNEL 2
(Ch1/Ch2).
RATIO 2 TO 1 is also available (Ch2/Ch1).
Note that Ratio 1 to 2 and Ratio 2 to 1 menu items are not available in Counters that
do not contain the optional Channel 2.
Note the result is not scaled by 100; it is not a percentage.
The front-panel “arrow” (or entry/select) keys can also be used when sequencing
through the Other Meas menu. Refer to the section titled “Using Entry/Select
(Arrow) Keys” for details.
To Measure Period
Press Other Meas key until PERIOD 1 is displayed.
PERIOD 1 is momentarily displayed, the Period and Ch1 annunciators light, and
the Counter is ready to measure the period of a signal applied to CHANNEL 1.
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