Maintenance, Storage and Disposal
R&S
®
SMW200A
1281User Manual 1175.6632.02 ─ 30
Time
Displays the elapsed time since the last full adjustment.
If the last adjustment has been performed more than 100 days ago, the background
color of the parameter turns red.
Remote command:
:CALibration<hw>:ALL:TIME? on page 865
Temperature Offset
Displays the temperature difference, comparing the temperature of the last adjustment
to the current instrument temperature.
A green checkmark indícates that the offset is within the permitted range. If the temper-
ature deviates more than ±5 K, the instrument indicates a warning icon.
Remote command:
:CALibration<hw>:ALL:TEMP? on page 865
Information
Displays information to the current adjustment state.
Remote command:
:CALibration<hw>:ALL:INFormation? on page 864
Adjust I/Q Modulator Current Frequency
Starts the adjustment for the I/Q modulator for the currently set frequency and base-
band gain. The I/Q modulator is adjusted regarding carrier leakage, I/Q imbalance and
quadrature.
See also "To trigger the internal correction routine of the I/Q modulator" on page 456.
Remote command:
:CALibration<hw>:IQModulator:LOCal? on page 866
Adjust LO Level at Current Frequency
Adjusts the level of the oscillator signal to optimum, if an external LO signal is applied.
See "To adjust the LO level to current frequency" on page 486.
The function is enabled in the following cases:
●
An external "LO Coupling Mode" is selected.
●
"Out State" is on ("B On" or "On").
Note: If your test setup consists of several cascaded Rohde & Schwarz instruments,
always use an external oscillator signal and start the LO level adjustment with the first
instrument. Continue in the order up to the last.
Remote command:
:CALibration<hw>:LOSCillator:COUPling:LOCal? on page 867
Adjust External Frequency Converter
Calibrates the parameters of an externally connected R&S SZU IQ Upconverter.
The function is available when an R&S SZU is connected and activated.
Remote command:
:CALibration<hw>:FREQuency:CONVerter:EXTernal? on page 867
Performing Maintenance Tasks