Network and Remote Operation
R&S
®
FSVA3000/ R&S
®
FSV3000
659User Manual 1178.8520.02 ─ 01
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INF and NINF: INFinity and negative INFinity (NINF) represent the numeric values
9.9E37 or -9.9E37, respectively. INF and NINF are only sent as instrument respon-
ses.
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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.
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
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
header by a white space. In the response to a query, the short form of the text is provi-
ded.
Example:
Setting command: HCOPy:PAGE:ORIentation LANDscape
Query: HCOP:PAGE:ORI?
Response: LAND
Character Strings
Strings must always be entered in quotation marks (' or ").
Remote Control Basics
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