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Definite length block:
#<non-zero digit><digit(s)><data byte(s)>
Where the value of <non-zero digit> equals the number of
<digit(s)>. The value of <digit(s)> taken as a decimal integer
indicates the number of <data byte(s)> in the block.
Optional
Parameters
Command parameters shown within square brackets ([ ]) are optional. The
brackets are not part of the syntax and are not sent to the digitizer. If you do
not specify a value for an optional parameter, the instrument chooses a
default value.
For example, consider the command
CONFigure[<
chan
>]:ARRay[:VOLTage][:DC] (<
size
>)
[,<
expected value
>[,<
resolution
>]] [,(@<
input port
>)]
If you send the command without specifying the expected value, resolution,
or input port parameters, the digitizer sets default values. Similarly, if chan
in the command keyword is not specified, the default channel 1 is used.
Querying
Parameter Settings
Unless otherwise noted in the subsystem syntax, parameter settings can be
queried by adding a question mark (?) to the command. For example:
TRIG:SOUR HOLD
sets the trigger source to HOLD. The value can be queried by executing:
TRIG:SOUR?
The MINimum or MAXimum value of a parameter is determined by adding
the word MIN or MAX to the end of the query. See below.
SENS:SWE:OFFS:POIN? MIN
SENS:SWE:OFFS:POIN? MAX
The minimum and maximum values returned are based on the current
settings of other digitizer parameters.
SCPI Command Execution
The following information should be remembered when executing SCPI
commands.
Command Coupling Some of the digitizer SCPI commands are functional or value coupled.
Functionally coupled commands are those that for one command to have
affect, another command must be set to a particular value. A value coupled
command changes the settings of other commands.
182 Command Reference Chapter 4