R&S NRP2, User Manual

Page: 197 / 437

Remote Control Fundamentals
R&S
®
NRP2
179 User Manual 1173.9157.02 ─ 03
MIN/MAX
MINimum
and
MAXimum
denote the minimum and maximum value.
DEF DEFault denotes a preset value. This value is identical to the basic setting called by the
*RST
command.
NAN Not A Number (
NAN
) stands for 9.91E37.
NAN
is only sent as a device response. This value
is not defined.
NAN
is typically returned for dividing by zero, subtracting a value from infinity
and representing missing data.
Boolean parameters
Boolean parameters represent two states. The ON state (logical true) is represented by
ON
or a numeric value other than 0. The OFF state (logical false) is represented by
OFF
or the numeric value 0. Queries yield 0 or 1.
Example:
Command:
SENSe:POWer:BUFFered ON
Query:
SENSe:POWer:BUFFered?
Response:
1
Character data
Character data follows the syntax rules for keywords, i.e. it also has both a short and a
long form. They must be separated from the header by a white space same as any
parameter. A query returns the short form of the character data.
Example:
Command:
SENSe2:AVERage:TCONTrol MOVing
Query:
SENSe2:AVERage:TCONTrol?
Response:
MOV
Strings
Strings must always be indicated in single or double quotes.
Example:
SENSe1:FUNCtion:ON "POWer:AVG"
or
SENSe1:FUNCtion:ON 'POWer:AVG'
Block data
The block data format is suitable for the transmission of large data volumes. A command
with a block data parameter has the following structure:
Example:
DISPlay:PIXMap?
Response:
#49600xxxxxxxx.....
Structure and Syntax of device-dependent Messages