Tektronix DPO4000 Manuel d'utilisateur Page 479

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Commands Listed in Alphabetical Order
<NR3> is the thr
eshold level, in volts.
TRIGger:B:LOWerthreshold:D<x>
Sets or queries the lower threshold for the digital channel selected. Each c hannel
can have an independent level. Used in runt and s lew rate as the lower threshold.
Used for all other trigger types as the single level/threshold.
Group
Trigger
Syntax
TRIGger:B:LOWerthreshold:D <x> {<NR3>|ECL|TTL}
TRIGger:B:LOWerthreshold:D <x>?
Arguments
<NR3> spe cies the threshold in volts.
ECL species a preset ECL high level of -1.3V.
TTL species a preset TTL high level of 1.4V.
Examples
TRIGGER:B:LOWERTHRESHOLD:D 1? might return
TRIGGER:B:LOWERTHRESHOLD:D 1 1.4000 indicating the threshold is set to
1.4 volts.
TRIGger:B:STATE
Sets or returns the state o f B trigger activity. If the B trigger state is on, the B
trigger is part of the triggering sequence. If the B trigger state is off, then only
the A trigger causes the trigger event.
Group
Trigger
Syntax
TRIGger:B:STATE {ON|OFF|<NR1>}
TRIGger:B:STATE?
Related Commands
TRIGger:A:MODe
Arguments
ON species that the B trigger is active and in causes trigger events conjunction
with the A trigger.
OFF species that only the A trigger causes trigger events.
MSO4000 and DPO4000 Series Programmer Manual 2-469
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