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Commands Listed in Alphabetical Order
TRIGger:A
Sets the A trigger level automatically to 50% of the range of the minimum and
maximum values of the trigger input s ignal. The query returns current A trigger
parameters.
The trigger level is the voltage threshold through which the trigger
source signal must pass to generate a trigger event. This command works for the
following cases: Edge Trigger (when source is Not Line), Logic Trigger ( when
Clock Source is not Off or Logic Pattern is Don’t Care), and Pulse Width Trigger.
Group
Trigger
Syntax
TRIGger:A SETLevel
TRIGger:A?
Related Commands
TRIGger:A:EDGE?, TRIGger:A:LOGIc?, TRIGger:A:PULse?
Arguments
SETLevel sets the A trigger level to 50% of the range of the minimum and
maximum values of the trigger input signal.
Examples
TRIGGER:A SETLEVEL sets the A trigger level to 50% of the range of the
minimum a nd maximum values of the trigger input signal.
TRIGGER:A? might return a long response with A trigger parameters,
some of which could be as follows:
:TRIGGER:A:MODE AUTO;TYPE
EDGE;LEVEL 20.0000E-3;LEVEL:CH1 20.0000E-3;CH2 0.0000;
CH3 0.0 000;CH4 0.0000;:TRIGGER:A:UPPERTHRESHOLD:CH1
1.4000;CH2 800.0000E-3;CH3 8 00 .0000E-3;CH4
800.0000E-3;:TRIGGER:A:LOW ERTHRESHOLD:CH1 20.0000E-3;C H2
0.0000;CH3 0.0000;CH4 0.0000;:TRIGG ER:A:HOLDOFF:TIME
20.0000E-9;:TRIGGER:A:EDGE :SOURCE CH1;COUPLING
DC;SLOPE RISE;:TRIGGER:A:LOGIC:CLASS SETHOLD;FUNCT ION
AND;THRESHOLD: CH1 20.0000E-3;CH2 0.0000;CH3
0.0000;CH4 0.0000;:TRIGGER:A:LOGIC:INP UT:CH1
X;CH2 X ;CH3 X;CH4 X;CLOCK:SOURCE NONE;EDG E
RISE;:TRIGGER:A:LOGIC:PATT ERN:INPUT:CH1 X; CH2
X;CH3 X ;CH4 X;:TRIGGER:A:LOGIC:PATTERN:WHEN
TRUE;WHEN:LESSLIMIT 4.0000E-9;MO RELIMIT
4.0000E-9;:TRIGGER:A:SETHO LD:CLOCK:SOURCE CH1;EDGE
RISE;THRESHOLD 20.000 0E-3;:TRIGGER:A:SETHOLD:DATA:SOURCE
CH2;THRESHOLD 0.0000;:TRIGGER:A:SETHOL D:HOLD TIME
4.0000E-9;SETTIME 4.0000E-9;:TRIGGER:A:PULSE:CLASS
TRANSITION;:TRIGGER:A:PULS EWIDTH:SOURCE
CH1;POLARITY POSITIVE;WHEN LESSTHAN ;WIDTH
4.0000E-9;:TRIGGER:A:RUNT: SOURCE CH1;POLARITY POSITIVE;WHEN
MSO4000 and DPO4000 Series Programmer Manual 2-393