Agilent Technologies E1300B User Manual page 181

Comments
Example
Specifying the Trigger Source.
:SOURce?
TRIGger:SOURce? returns the current trigger source configuration. Response
data can be one of; BUS, EXT, HOLD, or IMM. See the TRIG:SOUR
command for more response data information.
Example Querying the Trigger Source.
The following table explains the possible choices.
Parameter Value
BUS
EXTernal
HOLD
IMMediate
While an instrument which uses the "Event In" signal has EXT set, no
other instrument which uses the "Event In" signal may set EXT, or an
error 1500 "External trigger source already allocated" will result.
While TRIG:SOUR is IMM, you need only INITiate the trigger system to
start the Pacer.
Related Commands: ABORt, INITiate, *TRG
*RST Condition: TRIG:SOUR IMM
TRIG:SOUR HOLD
SOUR:PULS:COUN 1E3
SOUR:PULS:PER .1 S
TRIG:DELAY .75 S
INIT
TRIG
TRIG:SOUR HOLD
TRIG:SOUR?
enter statement
System Instrument Command Reference 7-53
Source of Trigger
Group Execute Trigger (GET) bus command,
*TRG common command, or TRIGger
command.
"Event In" signal at rear panel BNC
connector, or TRIGger command.
Only the TRIGger command will cause
trigger.
The trigger signal is always true (continuous
triggering).
trigger source is TRIG
command
output 1000 Pacer pulses
pulse period set to .1 second
start Pacer .75 sec after trigger
go to Wait For Trigger state
trigger the Pacer to output
pulses.
trigger source is TRIG
command
ask System Instrument to
return trigger source
configuration
input selection of trigger source
TRIGger :SOURce?