AMETEK i Series - Manual (Page 66)

User Manual
52 i Series / iX Series
If the trigger source is set to SET VOLT, this field can be used
to specify the rms voltage to program the output to and trigger
the measurement on. The voltage value set here should not
exceed the maximum voltage range selected or the rms
capability for the waveshape selected on the phase or phases
programmed.
TRIG DELAY The trigger delay field allows the trigger point to be positioned
anywhere in the acquisition window. A negative value will
provide pre-trigger information on data leading up to the trigger
event. The pre-trigger delay can not exceed the length of the
acquisition buffer (104 ms in single phase mode, 312 ms in
three phase mode). A positive trigger delay positions the data
window after the trigger event. Positive trigger delays can
exceed the length of the acquisition buffer in which case the
trigger event itself will not be in the buffer any more. The
maximum value of the trigger delay is 1000 ms. The default
trigger delay value is 0.0 ms which puts the trigger event at the
beginning of the acquisition window.
START The START field is used to start a new acquisition run. To start
an acquisition, place the cursor on the START field and press
the ENTER key. Once the ENTER key is pressed, the display
toggles to the data display mode selected in the VIEW field as
soon as the selected trigger event occurs. To return to the
HARMONICS/TRACE ANALYSIS menu, press the ENTER key
while in the data display mode.
To change display modes without triggering a new acquisition,
make the desired changes in the menu and move the cursor to
the VIEW field. Once on the VIEW field, press the ENTER key.
This will not trigger a new acquisition which means the original
data is retained.