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>=
Qualifier
<=
For example: measure a 16 bit data bus signal, bus will appear data of "0X99" and continuous time is 50ns.
We set BUS0 to include 16 measurement channels and sample rate as "100M", trigger setting as duration
trigger. Setting steps as below:
1.
Press "Trigger MENU" and menu appears.
2.
Press "F1" till trigger mode display as "Data Width"
3.
Press "F2" till signal resource display as "BUS0"
4.
Press "F3" and data in code type as red background and green digital indicator on, then insert data value
"0X99". Press "F3" again and red background disappeared. Repeat operation of step D if setting error or
need to be modified,
5.
Press "F4" and duration in menu setting window correspond to F4 display red background. Turn "CH1
Volts/Div" knob and set duration as "50ns".
6.
Press "F5" till qualifier display as ">="
7.
Turn "Trigger level " adjust knob or press "set 50%"till trigger position display as "NEXT T POS = 50%".
Then duration trigger setting finished (refer to Fig. 87) and ready for data acquisition.
Trigger occur on condition that the bus value is equal to the code type
and the duration is more than or equal to the duration width.
Trigger occur on condition that the bus value is equal to the code type
and the duration is less than or equal to the duration width.
Fig. 87 Data width trigger
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