RIGOL
2-14 © Copyright RIGOL Technologies, Inc. 2007.
User Manual 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, enter the menu shown below:
Figure 2-13
Table 2-10 Math Functions Menu Function Explanation
Function
Menu
Settings Explanation
Statistic
Reading statistic functions, including: Max, Min,
Average, and Reading Count.
dB
The dB measurement is the difference between
the input signal and a stored relative value.
dBm
The dBm function is logarithmic, and is based on
a calculation of power delivered to a reference
resistance.
Limit
The limit test function enables you to perform
pass/fail testing to upper and lower limits that
you specify.
ON/OFF
ON
OFF
Turn on Math function.
Turn off Math function.
Save all changes, back to a higher level menu.
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