Commands Listed in Alphabetical Order
TRIGger:A:LOG
Ic:CLAss to further select the logic trigger class (either
LOGIC
or SETHOLD ).
PULSe specifie
s that a trigger occurs when a specified pulse is found. Use
TRIGger:A:PULse:CLAss to further select the pulse trigger class (either runt,
width, transition or timeout).
BUS specifies that a trigger occurs when a bus signal is found. Supports CAN,
I
2
C, SPI, RS-232, Ethernet, MIL-STD-1553, LIN, USB, audio, FlexRay buses
(with the appropriate application module installed) as well as parallel buses
(MSO4000B, MDO4000/B/C, and MDO3000 Series oscilloscopes with option
MDO3MSO installed only). Use TRIGger:A:BUS to set the bus type.
VIDeo specifies that the trigger occurs when a video signal is found.
Examples
TRIGGER:A:TYPE PULSe sets the A trigger type to PULSE.
TRIGGER:A:TYPE? might return :TRIGGER:A:TYPE PULSE indicating that the
A trigger type is a pulse trigger.
TRIGger:A:UPPerthreshold:CH<x>
This command sets the upper threshold for channel <x>, where x is the analog
channel number 1–4. Each channel can have an independent level. Used only for
runt and transition trigger types.
Group
Trigger
Syntax
TRIGger:A:UPPerthreshold:CH<x> {<NR3>|ECL|TTL}
TRIGger:A:UPPerthreshold:CH<x>?
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.
Examples
TRIGGER:A:UPPERTHRESHOLD:CH2 50E-3 sets the upper limit of the pulse
runt trigger to 50 mV for channel 2.
TRIGGER:A:UPPERTHRESHOLD:CH2? might return :TRIGG ER:A:
UPPERTHRESHOLD:CH2 1.2000E-01
indicating that the upper limit of the pulse
runt trigger is set to 120 mV.
MDO4000/B/C, MSO/DPO4000B and MDO3000 Series Oscilloscopes Programmer Manual 2-911
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