Commands Listed in Alphabetical Order
TRIGger:A:LO
Werthreshold{:AUX|:EXT}
This command specifies the lower threshold for the Aux Input connector.Usedfor
the following trigger types: runt, transition.
Conditions
This command is not available for MDO4000/B series models, or the 4-channel
MDO3000 series models as they have no Aux Input connector. However, the
2-channel
MDO3000 models do have an auxin, so this command is available.
Group
Trigger
Syntax
TRIGger:A:LOWerthreshold{:AUX|:EXT} {<NR3>|ECL|TTL }
TRIGger:A:LOWerthreshold{:AUX|:EXT}?
Arguments
<NR3> is a floating point number that specifies the threshold level in volts.
ECL specifies a preset ECL high level of –1.3V.
TTL specifies a preset TTL high level of 1.4V.
TRIGger:A:LOWerthreshold:CH<x>
This command specifies the lower threshold for the channel selected. Each
channel can have an independent level. Used in runt and transition triggersasthe
lower threshold. Used for all other trigger types as the single level/threshold.
Group
Trigger
Syntax
TRIGger:A:LOWerthreshold:CH<x> {ECL|TTL|<NR3>}
TRIGger:A:LOWerthreshold:CH<x>?
Arguments
ECL specifies a preset ECL high level of –1.3V.
TTL specifies a preset TTL high level of 1.4V.
<NR3> is a floating point number that specifies the clock level, in volts.
Examples
TRIGGER:A:LOWERTHRESHOLD:CH2 50E-3 sets the lower limit threshold for
CH2ofthepulserunttriggerto50mV.
TRIGGER:A:LOWERTHRESHOLD:CH2? might return :TRIGGER:A:
LOWERTHRESHOLD:CH2 1.2000E-01
indicating that the lower limit threshold
for CH2 of the pulse runt trigger is set to 120 mV.
2-888 MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual
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