RIGOL
2-208
DS4000E Programming Guide
Parameter
Name
Type
Range
Default
<pch1>
Discrete
{H|L|X|R|F}
X
<pch2>
Discrete
{H|L|X|R|F}
X
<pch3>
Discrete
{H|L|X|R|F}
X
<pch4>
Discrete
{H|L|X|R|F}
X
<pext>
Discrete
{H|L|X|R|F}
X
Remarks
<pch1>-<pch4> represent the patterns of the analog channels (CH1-CH4) respectively; <pext>
represents the pattern of the external trigger channel (EXT TRIG). By default, the instrument sets the
patterns of the channels (CH1-CH4) first, and then the external trigger channel EXT TRIG. You can use
5 parameters to set the patterns of all the channels; or only use n (1≤n<5) parameters to set the
patterns of the first n channels (at this time, the state of the patterns of the other channels remain
unchanged).
H: indicates high level; higher than the trigger level of the channel.
L: indicates low level; lower than the trigger level of the channel.
X: ignores this channel, which indicates that you can ignore the state of this channel when judging the
pattern. If the patterns of all the channels are set to X, the oscilloscope will not trigger.
R, F: indicates the rising edge and falling edge. In the pattern, you can only specify one edge (rising
edge or falling edge). If one edge item has been defined, and you choose another channel and define
its edge item, then the edge item defined previously will be replaced by "X".
Return Format
The query returns the channel patterns in strings (5 in total, the pattern sequence is from CH1-CH4 to EXT
TRIG). The patterns are separated by commas.
:TRIGger:PATTern:SOURce
Syntax
:TRIGger:PATTern:SOURce <source>
:TRIGger:PATTern:SOURce?
Description
Sets or queries the current channel of Pattern trigger.
Parameter
Name
Type
Range
Default
<source>
Discrete
{CHANnel1|CHANnel2|CHANnel3|CHANnel4|EXT}
CHANnel1
Return Format
The query returns CHAN1, CHAN2, CHAN3, CHAN4, or EXT.
Содержание DS4000E Series
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