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24.2 Mode
The counter provides 3 modes. Touch mode in the counter dialog box to open the mode
selection window:
•
Frequency: Average frequency
over a period of time
•
Period: The reciprocal of the
average frequency over a
period of time
•
Totalizer: Cumulative count
When the mode is set to totalizer,
the edge of the counting source
needs to be set. When the counting
gate is turned on, the counter can
count only when the gate-source
meets the specified conditions.
Touch Gate Setting to recall the gate setting dialog box:
A. Turn on or off the gate
B. Select the gate type: Level or After Edge
C. Gate source display area. C1 and C2 are gate sources of each
other, C3 and C4 are gate sources of each other
D. When the gate type is level, set the polarity (Positive or
Negative) of the gate-source. When the gate type is edge, set
the slope (Rising or Falling edge) of the gate source.
E. Set the gate level
F. Return to previous menu
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T3DSO2000A Manual. Page 148
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