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Programming Guide for DS1000B Series

2-76

5. Pattern Trigger

Pattern trigger identifies the trigger conditions by checking the specified code.

The code is the logical combination of all the channels, each channel has three

logical values: high (H), low (L) and ignore(X).

(1) :TRIGger:PATTern:PATTern

Command Format:

:TRIGger:PATTern:PATTern□<value>,<mask>,<ext source>[,<edge

source>,<edge>]

Function:

The command sets the code pattern of signals.

 <value>: Code pattern values of 5 channels. It is a 16 bit unsigned integer,

and High is 1, Low is 0; for example:HHLLH is 11001, translate

into decimal system is 25.

 <mask>: Indicates the mask code of channel which is denoted by the low

five digits of hexadecimal number, and separately indicates

whether the mask code is 1 or 0. The relationship between

<mask> and <value> is " and" , if the mask of a channel is 0,

which denotes this channel is ineffective and the corresponding

setting of oscilloscope is "X"; if the mask is 1, <value> will

decide whether the channel is H or L.

 <ext source>:It is external trigger signal, and EXT5 is 1, EXT is 0;

 <edge source>:It is the current channel, its range: 0~4;

 <edge>: It is the code pattern of current channel.The rising <edge> is

1and the falling<edge> is 0.

Query Format:

:TRIGger:PATTern:PATTern?

Return Format:

The query returns the value, the mask, the ext source, the edge source and

the edge. The value and the mask are expressed in decimal.

Example:

:TRIGGER:PATTERN:PATTERN□1,1,1,2,1 Set the code pattern.

:TRIGger:PATTern:PATTern? Return 1, 5, EXT5, Channel3, Positive.

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Rigol DS1204B Spezifikationen Seite 84