Chapter 16 SCPI Command Reference
Instrument commands
312 9102 Handheld Spectrum Analyzer Software version 5.31
:INSTrument:EREFfreq
:INSTrument:GENerator
:INSTrument:GENerator:LEVel
Example
:INSTrument:SELect CPOWer
:INSTrument:SELect?
Returns the following string: "CPOWer"
Syntax
:INSTrument:EREFfreq <PredefExpr>
Parameters
There are no parameters.
Command
There is solely a query form of this command available.
Query
Reads and returns whether an external reference frequency is connected
or not.
Example
:INSTrument:EREFfreq?
Returns the following string: "OFF"
Syntax
:INSTrument:GENerator <PredefExpr>
Parameters
PredefExpr
is one of the following predefined expressions: ON|OFF.
Default is OFF.
Command
Switches the tracking generator on and off.
Query
Reads and returns the current setting.
Example
:INSTrument:GENerator ON
:INSTrument:GENerator?
Returns the following string:
"ON"
Syntax
:INSTrument:GENerator:LEVel <real1>
Parameters
real1
is a floating point real number.
The minimum- and maximum value for real1 depend on the unit set by
SENS:REFL:UNIT. When the unit is set to dBm, the minimum value is -
100, the maximum value is 30
. When the unit is set to dBuV, the minimum
value is 7, the maximum value is 137
. When the unit is set to dBmV, the min-
imum value is
-53, the maximum value is 77. When the unit is set to dBV,
the minimum value is
-113, the maximum value is 17. The default value for
real1
is 0 dBm.
Command
This command sets output power of the 9102 tracking generator in the unit
selected with the
:SENS:REFL:UNIT command.
Query
Reads and returns the current setting.
Example
:INSTrument:GENerator:LEVel -50
:INSTrument:GENerator:LEVel?
The value returned in this example is: "-50"
.
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