System Commands 5
ACQUISITION TRIG_SELECT, TRSE
Command/Query
DESCRIPTION The TRIQSELECT command selects the condition that will trig-
ger the acquisition of waveforms. Depending on the trigger type,
additional parameters have to be specified.
The additional parameters are grouped in pairs. The first one
names the variable to be modified and the second one gives the
new value to be assigned. Pairs may be given in any order and may
be restricted to those variables to be changed.
Note: The state-qualified, time~event qualified and pattern trigger
types use the trigger pattern defined by the command TRIG-
GER PA TTERN.
The TRIG_SELECT? query returns the current trigger condition.
Trigger Notation
STD Standard SNG
Single source
PA Pattern SQ State qualified
TEQ
Time event qualified TI Time
PL
Pulse larger
IL
Interval larger
EV Event PS Pulse smaller
IS Interval smaller SR Source
HT Hold type HV Hold value
TV Trigger Notation
FLD Field FLDC Field Count
LINE Line CHAR Characteristics
LPIC Lines per picture ILAC Interlace
SR does not apply to the Pattern trigger.
HT and HV do not apply to the standard trigger.
NON TV TRIGGER
COMMAND SYNTAX TRig_SElect <trig_type>,SR,<source>,HT,<hold_type>,
HV,<hold_value>
<trig_type> := {STD, SNG, SQ, TEQ, PA}
<source> := {C1, C2, LINE, EX, EX10&}$
<source> := {C1, C2, LINE, C4}@
2-eh. and 4-oh.oscilloscopes with ext. trigger,
&
Not available in 9424E, @ 4-oh. oscilloscopes without ext. trigger
155
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