HP 1652B Programming Reference Manual page 340

Query Syntax:
where:
Example:
HP 16528/16538
The FREQency query makes a frequency measurement on the selected
channel. The measurement is made using the first complete displayed
cycle at the 50% voltage level.
<value> <NL>
:: = frequency in HerQ
10 DIM Frcy$[lOO]
30 ENTER XXX;Frcy$
40 PRINT Frcy$
50 END
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