Vector Voltmeter Commands :TRACe VVM Subsystem
MS20xxC PM PN: 10580-00306 Rev. E 4-9
Trace Header Transfer (continued)
Example Response Format:
[#800001070SN=83320012,UNIT_NAME=,TYPE=DATA,DATE=1999-11-30-02-00-10-10,
APP_NAME=MWVNA,APP_VER=T0.00.1001,VVM_MODE=0.000000,VVM_CW_FREQ=
0.005000,VVM_MEAS_TYPE=0.000000,VVM_RETURN_MEAS_FORMAT=0.000000,
VVM_CABLE=1.000000,VVM_PORT_1_SAVE_RETURN_REF=0.000000,VVM_PORT_1_
SAVE_INSERTION_REF=0.000000,VVM_PORT_2_SAVE_RETURN_REF=0.000000,VVM_
PORT_2_SAVE_INSERTION_REF=0.000000,VVM_PORT_1_RETURN_REF_AMP=
0.000000,VVM_PORT_1_RETURN_REF_PHASE=0.000000,VVM_PORT_1_RETURN_REF_
VSWR=1000.000000,VVM_PORT_1_RETURN_REF_REAL=0.000000,VVM_PORT_1_
RETURN_REF_IMAG=0.000000,VVM_PORT_1_INSERTION_REF_AMP=0.000000,VVM_
PORT_1_INSERTION_REF_PHASE=0.000000,VVM_PORT_1_RETURN_REF_RAW_
REAL=1000000.000000,VVM_PORT_1_RETURN_REF_RAW_IMAG=0.000000,VVM_PORT
_2_RETURN_REF_AMP=0.000000,VVM_PORT_2_RETURN_REF_PHASE=0.000000,VVM_
PORT_2_RETURN_REF_VSWR=1000.000000,VVM_PORT_2_RETURN_REF_REAL=
0.000000,VVM_PORT_2_RETURN_REF_IMAG=0.000000,VVM_PORT_2_INSERTION_
REF_AMP=0.000000,VVM_PORT_2_INSERTION_REF_PHASE=0.000000,VVM_PORT_2_
RETURN_REF_RAW_REAL=1000000.000000,
VVM_PORT_2_RETURN_REF_RAW_IMAG=0.000000, CAL_PORT=1]
Trace Header Parameters
Table 4-4 describes parameters that can be returned by the :TRACe:PREamble? command.
Table 4-4. Trace Header Parameters (Sheet 1 of 2)
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