Vector Voltmeter Commands 6-4 :TRACe Subsystem
S412E PM PN: 10580-00319 Rev. N 6-7
Trace Header Parameters
Table 6-2 describes parameters that can be returned by the :TRACe:PREamble? command.
Table 6-2. Trace Header Parameters
Parameter Name Description
SN Instrument Serial #
UNIT_NAME Instrument name
DATE Trace date/time
APP_NAME Application name
APP_VER Application firmware (FW) version
VVM_MODE Mode
0 = CW
1 = Table
VVM_CW_FREQ CW frequency
VVM_MEAS_TYPE Measurement type.
0 = Return
1 = Insertion
VVM_RETURN_MEAS_FORMAT Return Type Measurement Format
0 = dB
1 = VSWR
2 = Impedance
VVM_CABLE Selected Cable number 1 to 12
VVM_PORT_X_SAVE_RETURN_REF Saved status for Port x Return reference,
where x = 1 or 2
VVM_PORT_X_SAVE_INSERTION_REF Saved status for Port x Insertion reference,
where x = 1 or 2
VVM_PORT_X_RETURN_REF_AMP Return reference amplitude for Port x,
where x = 1 or 2
VVM_PORT_X_RETURN_REF_PHASE Return reference phase for Port x,
where x = 1 or 2
VVM_PORT_X_RETURN_REF_VSWR Return reference VSWR for Port x,
where x = 1 or 2
VVM_PORT_X_RETURN_REF_REAL Return reference real for Port x,
where x = 1 or 2
VVM_PORT_X_RETURN_REF_IMAG Return reference imaginary for Port x,
where x = 1 or 2
VVM_PORT_X_INSERTION_REF_AMP Insertion reference amplitude for Port x,
where x = 1 or 2
VVM_PORT_X_INSERTION_REF_PHASE Insertion reference phase for Port x,
where x = 1 or 2