RIGOL
© 2007 RIGOL Technologies, Inc.
User‟s Guide for DM3000 Series
Math Functions Selective
The DM3000 provides five math functions: Null measurements, Total measurements,
dB measurements, dBm measurements, and Limit testing. Only one of these math
functions can be enabled at the same time, and remains in effect until you turn it off
or change it.
Press key, the display shows:
Figure 2- 12
Table 2- 10 Math Functions Menu Function Description
Reading statistic functions, including: Max, Min,
Average, and number of measurement.
The dB measurement is the difference between
the input signal and a stored relative value.
The dBm function is logarithmic, and is based on
a calculation of power delivered to reference
impedance.
The limit test function performs pass/fail testing
with upper and lower limits that you specify.
Turn on Math function.
Turn off Math function.
Save all changes, back to a higher level menu.
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