AEMC OX III Series User Manual page 71

Oscilloscope Mode - The "Trigger" Menu
Oscilloscope Mode (cont'd)
Delay
Trigger delay
Holdoff
Qualifier
Trigger
Coupling
Level
Edge
Noise reject
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Selection of edge trigger with delay.
The delay is triggered by the auxiliary source.
Effective triggering occurs after the end of the delay on the next event from the
main source.
35.2µs Adjustment with the stylus using the setting scroll bar to choose the
required delay value.
Double-tapping in this field displays a virtual numeric keypad which can be used
to directly input the value.
108µs Adjustment with the stylus using the setting scroll bar, allows
disabling of the trigger for a predefined period and, among other
things, stabilization of the trigger on pulse trains.
Double-tapping in this field displays a virtual numeric keypad which can be used
to directly input the value.
selects the settings on the qualifier source.
selects the settings on the trigger source.
selects the filter for the auxiliary trigger source:
AC coupling (10 Hz to 200 MHz):
AC
blocks the DC component of the signal
DC coupling (0 to 200 MHz):
DC
allows the entire signal through
Rejection of source signal frequencies < 10 kHz:
LF Reject
facilitates observation of signals with a DC
component or an unwanted low frequency
Rejection of source signal frequencies > 10 kHz:
HF Reject
facilitates observation of signals with high-frequency noise
2.04V Adjustment of the trigger level with the stylus on the scroll bar.
selects the edge for the auxiliary trigger source:
rising trigger edge
+
falling trigger edge
-
No: hysteresis ≈ 0.5 div.
Yes: introduces a hysteresis of ≈ 1.5 div.
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IV - 71