Tektronix DPO4000 Manual do Utilizador Página 381

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Commands Listed in Alphabetical Order
SEARCH:SEARC
H<x>:TRIGger:A:LOGIc:THReshold:REF<x>
Sets or returns the reference waveform threshold level for a logic trigger search to
determine where to place a mark.
SEARCH<x> is the search number and REF<x>
is the refere
nce channel number.
Group
Search
Syntax
SEARCH:SEARCH<x>:TRIGger:A :LOGIc:THReshold:REF<x> { TTL}
SEARCH:SEARCH<x>:TRIGger:A :LOGIc:THReshold:REF<x>?
Arguments
TTL species a preset TTL high level of 1.4 V.
SEARCH:SEARCH<x>:TRIGger:A:LOWerthreshold:CH<x>
Sets or returns the channel waveform lower threshold to determine where to place
a mark. This setting is applied to all channel s earches that use a lower threshold.
SEARCH<x> is the search number and CH<x> is the channel number.
Group
Search
Syntax
SEARCH:SEARCH<x>:TRIGger:A :LOWerthreshold:CH<x> {TT L}
SEARCH:SEARCH<x>:TRIGger:A :LOWerthreshold:CH<x>?
Arguments
TTL species a preset TTL high level of 1.4 V.
SEARCH:SEARCH<x>:TRIGger:A:LOWerthreshold:MATH
Sets or returns the math waveform lower threshold to determine where to place a
mark. This setting is applied to all math searches that use a lower threshold.
<x> is the search number.
Group
Search
Syntax
SEARCH:SEARCH<x>:TRIGger:A :LOWerthreshold:MATH {TTL }
SEARCH:SEARCH<x>:TRIGger:A :LOWerthreshold:MATH?
Arguments
TTL species a preset TTL high level of 1.4 V.
MSO4000 and DPO4000 Series Programmer Manual 2-371
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