GW Instek GDS-1000A Series Programming Manual User Manual
Page 30

COMMA
ND
DET
A
ILS
59
:TRIGger:REJect
Set
Quer
y
Descrip
tion
Select
s t
he t
ri
gger r
eject
ion
fi
lt
er.
Same
as: Tr
ig
ger ke
y
→
F4
→
F3
Syntax
< Long >
< Short >
:trigger:reject
:trigger:reject?
:trig:rej > :trig:rej? Parameter R1> Reject ion filt er 0 off 1 LF 2 HF Note Before us ing th is comm and , se lect th e ed ge or pulse trig ger. See the exam ple below . Example :trigger:type 0 :trigger:reject 1 Selects the ed ge trig ger and L F rej ection filter :TRIGger:SLOP Set Quer y Descrip tion Sel ects the trigger sl ope. Same as: Tr ig ger ke y → F4 → F1 Syntax < Long > < Short > :trigger:slop :trigger:slop? :trig: slop < N R1> :trig: slop? Parameter R1> Trigger s lope 0 + (pos it ive) 1 – (negative) Note Before us ing th is comm and , se lect th e ed ge or pulse trig ger. See the exam ple below . GDS-1000A Pr ogramming Manual 60 Example :trigger:type 0 :trigger:slop 1 Selects the ed ge trig ger and ne gativ e trigger slope :TRIGger:STATe Quer y Descrip tion Querie s the p resent trig ger state. Syntax < Long > < Short > :trigger:state ? :trig:stat? Return Parameter R1> Trigger st ate 0 Un-trig gered 1 Trigger ed Note This funct ion is d esi gned fo r tr igg erin g wit h slow time-bases o r for sing le sho t events. This quer y wi ll return 0 bef ore the trigger poi nt a nd 1 af ter a trigger point (if any). However w ith quick er tim e-bases in aut o mode, a periodic wav eform is con st ant ly re -s am pled and thus re -trig ge red e ach time , result ing in the que ry returning 0 b efore each trigger. There fo re with qu icker ti me bases , t hi s wi ll us ua lly re su lt in 0 being ret u rne d , even if the waveform is shown as triggere d. Example :trigger:state ? 0 Return s the c u rrent trigger state as un - triggere d. :TRIGger:SOURce Set Quer y Descrip tion Sel ects the trigger source cha nnel. Same as: Tr ig ger ke y → F2 Syntax < Long > < Short >