Operation Manual

5-8 Rel, Math, Ratio, Channel Average, dB Model 2750 Multimeter/Switch System User’s Manual
Math
The Model 2750 has three built-in math calculations that are accessed from the MATH
menu: mX+b, percent, and reciprocal (1/X). Figure 5-1 shows the MATH menu tree. Note
that the settings shown in the menu tree are the factory defaults.
NOTE The various instrument operations, including Math, are performed on the input
signal in a sequential manner. See “Signal processing sequence,” page D-2, for
details. It includes flowcharts showing where in the processing sequence that the
Math operation is performed.
Figure 5-1
MATH menu tree
NOTE A Math operation can be used with the ratio and channel average calculation.
The ratio or channel average reading will be used in the calculation for the
selected math function.
SHIFT
MATH
mX+B
1/X
PERCENT
M: +1.000000
^
B: +00.00000
m
UNITS: X
REF: +1.000000
^
2750-900-01.book Page 8 Wednesday, August 3, 2011 7:56 AM