Remote Control - Fundamentals R&S NRP
1144.1400.12 5.10 E-3
Responses to Queries
Unless otherwise expressly specified, a query is defined for each command. The query is created by
appending a question mark to the associated command. Some of the SCPI rules for query responses
are stricter than those of the IEEE 488.2 standard:
1. The required value is sent without header.
Example: SENSe:AVERage:TCONTrol?
Response: MOV
2. Maximum and minimum values as well as all other quantities queried by a special text parameter
are returned as numeric values.
Example: SENSe:POWer:TSLot:COUNt? MAXimum
Response: 26
3. Numeric values are output without a unit. Physical quantities refer to the basic units or to the units
set with the UNIT command.
Example: SENSe3:FREQuency?
Response: 1.000000E06 (for 1 MHz)
4. Boolean values are returned as 0 (for OFF) and 1 (for ON).
Example: SYSTem:BEEPer:STATe?
Response: 1
5. Character data is returned in short form
(Æ also see section "Parameters", page 5.11).
Example: UNIT2:POWer?
Response: DBM
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