Measurements and Math Functions 5
InfiniiVision 7000B Series Oscilloscopes User’s Guide 195
Square Root
Square root () calculates the square root of the selected source.
1 Press the [Math] key, press the press the Function softkey and select f(t),
press the Operator softkey and select (square root). Press the Source 1,
Scale, or Offset sofkeys if you want to change the source, scaling, or
offset for the square root function.
• Source 1 — selects the source for (square root). (See page 184 for
information about using g(t) as the source.)
• Scale — lets you set your own vertical scale factors for (square root)
expressed as V
1/2
/div (Volts- square- root/division), A
1/2
/div
(Amps-square- root/division), or W
1/2
/div (Watts- square-root/division
or Volt- Amps-square- root/division). Units are set in the channel
Probe Menu. Press the Scale softkey, then turn the Entry knob to
rescale (square root).
• Offset — lets you set your own offset for the multiply math function.
The offset value is in V
1/2
(Volts- square- root), A
1/2
(Amps-square- root), or W
1/2
(Watts- square- root) and is represented
by the center horizontal grid line of the display. Press the Offset
softkey, then turn the Entry knob to change the offset for (square
root).
A scale unit of U (undefined) will be displayed for scale and offset if
the two source channels are set to dissimilar units. Units are set using
the channel’s Probe Units softkey.
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