Counter
180
18.2
Mode
The counter provides 3 modes. Touch mode in the
Counter
menu to open the mode selection window:
Figure 18.3
Mode 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 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 display the
counter gate menu.
1.
Touch
Gate
to toggle on and off the gate.
2.
Touch
Type
to toggle between
Level
and
After Edge
gate type.
3.
Gate source display area. C1 and C2 are gate sources of each other, C3 and
C4 are gate sources of each other
4.
Touch
Polarity
when type level is set to level to toggle between
Positive
and
Negative
polarity of the gate-source.
–
When the gate type is edge, set the slope
Rising
or
Falling
edge of the
gate source.
5.
Touch
Level
and turn the
Universal Knob
or use the virtual keypad to set
the gate level.
Figure 18.4
Counter Gate
Menu
