Frequency setpoint, Duty cycle, Measurement – Bird Technologies VPM3 User Manual
Page 43: Start acquisition, Stop acquisition, Enable pulse measurement, Zero, Trigger, Source, Mode
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Frequency Setpoint
See “Frequency Setpoint” on page 19.
Duty Cycle
Measurement
Start Acquisition
Starts a trace for the selected session.
Stop Acquisition
Holds a trace until a started again.
Enable Pulse Measurement
Starts a pulse trace for the selected session.
Zero
See “Zeroing a Sensor” on page 32.
Trigger
Source
Choose between three:
Internal - Triggered when the signal crosses the specified trigger level.
External - Triggered by a signal applied to the external trigger connector.
Manual - Triggered by selecting the manual trigger menu selection or
button.
Mode
The mode affects operation only when the selected source is Internal or External.
Choose between three:
Single - Once the trigger occurs the signal is displayed. No further trig-
ger events are acted upon until you stop and restart the measurement
Auto - The measurement is triggered automatically if the specified trig-
ger event does not occur within the greater of 10ms or the acquisition
interval of the last measurement.
Normal - The measurement is not triggered until the specified trigger
event occurs.