Connect-Tek USB-2 Especificações Página 289

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Commands Listed in Alphabetical Order
SEARCH:SEARC
H<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 sea
rch number.
Group
Search
Syntax
SEARCH:SEARCH<x>:TRIGger:A :LOWerthreshold:MATH
{TTL|ECL|<NR3>}
SEARCH:SEARCH<x>:TRIGger:A :LOWerthreshold:MATH?
Arguments
TTL species a preset TTL level of 1.4 V.
ECL speciesapresetECL level of –1.3 V.
<NR3> species the threshold voltage level.
SEARCH:SEARCH<x>:TRIGger:A:LOWerthreshold:REF<x>
Sets or returns the reference waveform lower threshold to determine where to
place a mark. This setting is applied to all reference searches that use a lower
threshold.
SEARCH<x> is the search number and REF<x> is the reference channel number.
Group
Search
Syntax
SEARCH:SEARCH<x>:TRIGger:A :LOWerthreshold:REF<x>
{TTL|ECL|<NR3>}
SEARCH:SEARCH<x>:TRIGger:A :LOWerthreshold:REF<x>?
Arguments
TTL species a preset TTL level of 1.4 V.
ECL speciesapresetECL level of –1.3 V.
<NR3> species the threshold voltage level.
SEARCH:SEARCH<x>:TRIGger:A:PULSEWidth:POLarity
Sets or returns the polarity for a pulse trigger search to determine where to place a
mark. <x> is the search number.
MSO2000B, DPO2000B, MSO2000 and DPO2000 Series Oscilloscopes Programmer Manual 2-273
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