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Remote control basics
R&S
®
NRPM
198
User Manual 1425.8663.02 ─ 07
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Text
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Character strings
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Block data
The parameters required for each command and the allowed range of values are
specified in the command description.
Numeric values
Numeric values can be entered in any form, i.e. with sign, decimal point and
exponent. Values exceeding the resolution of the instrument are rounded up or
down. The mantissa can comprise up to 255 characters, the exponent must lie
inside the value range -32000 to 32000. The exponent is introduced by an "E" or
"e". Entry of the exponent alone is not allowed. In the case of physical quantities,
the unit can be entered. Allowed unit prefixes are G (giga), MA (mega), MOHM
and MHZ are also allowed), K (kilo), M (milli), U (micro) and N (nano). If the unit is
missing, the basic unit is used.
Units
Only basic units are allowed and recognized.
Special numeric values
The texts listed below are interpreted as special numeric values. In the case of a
query, the numeric value is provided.
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MIN/MAX
MINimum
and
MAXimum
denote the minimum and maximum value.
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DEF
DEFault
denotes a preset value which has been stored in the non variable
memory. This value conforms to the default setting, as it is called by the *RST
command.
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UP/DOWN
UP
,
DOWN
increases or reduces the numeric value by one step. The step width
can be specified via an allocated step command for each parameter which
can be set via UP, DOWN.
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INF/NINF
INFinity
,
Negative INFinity (NINF)
represent the numeric values
9.9E37 or -9.9E37, respectively.
INF
and
NINF
are only sent as instrument
responses.
SCPI command structure