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Chapter 1 SCPI Overview RIGOL
DSA800 Programming Guide 1-3
Parameter Type
The command parameters introduced in this manual include 6 types: Bool, Keyword, Integer, Consecutive
Real Number, Discrete and ASCII String.
Bool
The parameter could be "OFF", "ON", "0" or "1". For example,
:DISPlay:ANNotation:CLOCk[:STATe] OFF|ON|0|1
Keyword
The parameter could be any of the values listed. For example,
:DISPlay:AFUnction:POSition BOTTom|CENTer|TOP
The parameter could be "BOTTom", "CENTer" or "TOP".
Integer
Unless otherwise noted, the parameter can be any integer within the effective value range. Note that do not
set the parameter to a decimal; otherwise errors will occur. For example,
:DISPlay:BRIGhtness <integer>
<integer> can be set to any integer between 0 and 10.
Consecutive Real Number
The parameter could be any value within the effective value range according to the accuracy requirement
(by default, there are 6 digits after the decimal points). For example,
:CALCulate:BANDwidth:NDB <rel_ampl>
<rel_ampl> can be set to any real number between -100 and 100.
Discrete
The parameter could only be one of the specified values and these values are discontinuous. For example,
:CALCulate:MARKer<n>:MAXimum:MAX
<n> could only be set to 1, 2, 3 or 4.
ASCII String
The parameter should be the combinations of ASCII characters. For example,
:SYSTem:DATE <year>,<month>,<day>
The parameter is a string in the specified date format.
Command Abbreviation
Since all the commands are case-insensitive, you can use any of them. But if abbreviation is used, all the
capital letters in the command must be written completely. For example,
:CALCulate:BANDwidth:NDB? can be abbreviated to :CALC:BAND:NDB?
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