Special numeric values

The following mnemonics are special numeric values. In the response to a query, the numeric value is provided.

  • MIN/MAX

    Minimum and maximum of the parameter range, setting and query possible

  • DEF

    Default, preset value as called by the *RST command, setting and query possible

  • KEEP

    Keeps a value unchanged. Example: To set the third value in a list of five parameters to 10, use KEEP,KEEP,10,KEEP,KEEP. Setting only.

  • UP/DOWN

    Increases or reduces the numeric value by one step, setting only

  • INF/NINF

    INFinity and Negative INFinity, representing the numeric values 9.9E37 or -9.9E37. Response value only.

  • NAN

    Not A Number represents the value 9.91E37. Response value only.

    This value is not defined. Possible causes are the division of zero by zero, the subtraction of infinite from infinite and the representation of missing values.

Example

Set to max value: SENSe:LIST:FREQ MAXimum

Query the set value: SENS:LIST:FREQ?

Returned value: 3.5E9

Note:Note:
Queries for special numeric values

The numeric values associated to MAXimum/MINimum/DEFault can be queried by adding the corresponding mnemonic after the question mark.

Example: SENSe:LIST:FREQ? MAXimum

Returns the maximum numeric value as a result.