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SCPI Command Structure
R&S
®
RTB2000
467User Manual 1333.1611.02 ─ 03
Example:
HCOP:PAGE:SCAL 90PCT
A.3.2 Special Numeric Values
The following mnemonics are special numeric values. In the response to a query, the
numeric value is provided.
●
MIN and MAX: denote the minimum and maximum value.
●
DEF: denotes a preset value which has been stored in the EPROM. This value
conforms to the default setting, as it is called by the *RST command.
●
NAN: Not A Number (NAN) represents the value 9.91E37. NAN is only sent as a
instrument response. This value is not defined. Possible causes are the division of
zero by zero, the subtraction of infinite from infinite and the representation of miss-
ing values.
Example:
Setting command: SENSe:LIST:FREQ MAXimum
Query: SENS:LIST:FREQ?
Response: 3.5E9
Queries for special numeric values
The numeric values associated to MAXimum/MINimum/DEFault can be queried by
adding the corresponding mnemonic after the quotation mark.
Example: SENSe:LIST:FREQ? MAXimum
Returns the maximum numeric value as a result.
A.3.3 Boolean Parameters
Boolean parameters represent two states. The "ON" state (logically true) is represen-
ted by "ON" or a numeric value 1. The "OFF" state (logically untrue) is represented by
"OFF" or the numeric value 0. The numeric values are provided as the response for a
query.
Example:
Setting command: HCOPy:DEV:COL ON
Query: HCOPy:DEV:COL?
Response: 1
A.3.4 Text Parameters
Text parameters observe the syntactic rules for mnemonics, i.e. they can be entered
using a short or long form. Like any parameter, they have to be separated from the
SCPI Parameters
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