Aeroflex 9102 - Page 308

Chapter 16 SCPI Command Reference
Sense commands
286 9102 Handheld Spectrum Analyzer Software version 5.31
:SENSe:DTF:CLENgth:UNIT
:SENSe:DTF:REFerence
:SENSe:DTF:REFerence:UNIT
Command
This command defines the cable length to be tested, in the unit selected
with the :SENS:DTF:CLEN:UNIT command.
Query
Reads and returns the current setting.
Example
:SENSe:DTF:CLENgth 50
:SENSe:DTF:CLENgth?
The value returned in this example is: "50"
.
Syntax
:SENSe:DTF:CLENgth:UNIT <PredefExpr>
Parameters
PredefExpr is one of the following predefined expressions:
METer|FEET
.
Default is METer.
Command
Defines the unit for the cable length (m, ft). It also affects the unit for the
cable attenuation.
Query
Reads and returns the current setting.
Example
:SENSe:DTF:CLENgth:UNIT FEET
:SENSe:DTF:CLENgth:UNIT?
Returns the following string: "FEET"
Syntax
:SENSe:DTF:REFerence <real1>
Parameters
real1 is a floating point real number.
The minimum value for real1 is -100.0 dB. The maximum value for
real1 is 0.0 dB. The default value for real1 is 0.0 dB
Command
This command sets the reference level of the 9102 (0 dB line), in DTF
mode.
Query
Reads and returns the current setting.
Example
:SENSe:DTF:REFerence -50
:SENSe:DTF:REFerence?
The value returned in this example is: "-50"
.
Syntax
:SENSe:DTF:REFerence:UNIT <PredefExpr>
Parameters
PredefExpr is one of the following predefined expressions:
DB|MRHO|VSWR.
Default is DB.
Command
Defines the unit in which results (on the vertical axis) are displayed (dB,
mRho). It not affects the unit for the DTF reference level.
Query
Reads and returns the current setting.
Example
:SENSe:DTF:REFerence:UNIT DB
:SENSe:DTF:REFerence:UNIT?
Returns the following string: "DB"