R&S SMJ100A, Operating Manual

Page: 583 / 874

Remote Control Commands
R&S
®
SMJ100A
567 Operating Manual 1403.7458.32 ─ 14
SENSe<ch>[:POWer]:TYPE?
The command queries the type of sensor. The type is automatically detected.
Return values:
<Type> string
Example:
SENS:TYPE?
queries the type of sensor connected to the POWER SENSOR
connector.
Response: NRP-Z21
the R&S NRP-Z21 sensor is used.
Usage: Query only
Manual operation: See "Current Sensors" on page 137
:SENSe<ch>[:POWer]:ZERO
The command activates the autozero function. Zeroing is required in regular interval (at
least once a day) and if the temperature has varied more than about 5 °C, if the sensor
has been replaced or if measurements of signals with very low power are to be per-
formed. The RF power source must be switched off or disconnected from the sensor
before starting the autozero function.
Example:
SENS:ZERO
activates autozero function.
Usage: Event
Manual operation: See "Zero - Power Sensors" on page 236
:SENSe<ch>:UNIT[:POWer] <Power>
The command selects the unit used for result query with command READ. The power
sensor provides the measured value in Watt. In which unit the measured value is
returned is selected here and might be either Watt, dBm or dBuV.
Parameters:
<Power> DBM | DBUV | WATT
*RST:
DBM
Example: SENS2:UNIT DBM
selects unit dBm for the measured value returned by command
READ
.
READ2?
Response: 7.34
7.34 dBm are measured by sensor 2.
Manual operation: See "Unit" on page 236
SENSe, READ and INITiate Subsystems