Load Commands 
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Returned value: 
NR3 
WAVE:TRIGger:CURRent[:LEVel] 
This command is used to set the current trigger level. 
Command syntax: 
WAVE:TRIGger:CURRent[:LEVel] 
Parameter 
<NRf> 
Unit 
A   
Query Syntax: 
WAVE:TRIGger:CURRent[:LEVel]? 
Returned value:   
NR3 
WAVE:TRIGger:SOURce 
This command can set or read the device taking which kind waveform as trigger 
source. 
Command syntax: 
WAVE:TRIGger:SOURce <VOLTage|CURRent> 
Parameter: 
VOLTage|CURRent 
Query Syntax: 
WAVE:TRIGger:SOURce? 
Returned value: 
VOLTage|CURRent 
WAVE:TRIGger:SLOPe 
This command is used to set trigger slope when takes waveform as trigger 
source.