User Manual

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9.13 Setting the 8940 F/V UNIT
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9
.13.3 Setting the Pulse Duty Ratio Mode
Screen: CHANNEL1, DISPLAY
Call up the CHANNEL1 or DISPLAY
screen.
Use the CH.SET key to display the desired
channel screen.
Use the CURSOR key to move the flashing
cursor to the graph position.
Use the function keys or the JOG control
to set the DUTY.
：Move the arrow up in the selection
window.
：Move the arrow down in the
selection window.
Selection
Selection
Method
Method
Flashing curso
r
(1) Setting the measurement mode
Move the flashing cursor to the position
shown in the figure on the left.
Use the function keys to make selection.
Selection
Selection
Flashing curso
r
(2) Setting the pull-up resistance
Set the pull-up resistance on or off. Pull-up
resistance is used when connecting to an open
collector output signal. For normal
measurements, disable the pull-up resistance
(set to OFF).
：Pull-up resistance is enabled (ON).
(for connection to open collector
output)
：Pull-up resistance is disabled
(OFF).
Pull-up resistance: OFF
The pulse duty ratio measures the ratio of single High pulses.