R&S SMB Command Description
1407.0806.32 6.67 E-2
[SOURce:]POWer:ALC:SONCe
The command briefly activates level control for correction purposes.
The command triggers an event and therefore has no *RST value and no query form.
Example:
POW:ALC OFF
'deactivates automatic level control.
POW:ALC:SONC
'level control is performed once only.
*RST value Resolution Options SCPI
- - Device-specific
[SOURce:]POWer:ALC[:STATe] ON | OFF | AUTO
The command activates/deactivates automatic level control.
Parameters: ON
internal level control is permanently activated.
OFF
internal level control is deactivated, Sample & Hold mode is activated.
AUTO
internal level control is activated/deactivated automatically depending on the
operating state.
Example:
POW:ALC ON
'activates automatic level control.
*RST value Resolution Options SCPI
AUTO - Compliant
[SOURce:]POWer[:LEVel][:IMMediate][:AMPLitude] Minimum level ... Maximal level
The command sets the RF output level in CW mode. In addition to numerical values, it is also
possible to specify UP and DOWN. The level is then increased or decreased by the value specified
under [SOURce:]POWer:STEP.
As with the Level value entered in the header, the OFFSet value is also taken into consideration
with this command.
The specified value range is therefore only effective if :SOURce:POWer:OFFSet is set to 0. The
value range for other OFFSet values can be calculated using the following formula:
Minimum level + OFFSet ...Maximum level + OFFSet
The keywords of this command are largely optional. Therefore, both the long and short form of the
command are shown in the example.
Parameters: Minimum level ... Maximum level
The value range for the level setting varies according to the instrument model.
The values are given in the data sheet.
Example:
SOUR:POW:LEV:IMM:AMPL 15 or :POW 15
'sets the RF level at output A to 15 dBm.
*RST value Resolution Options SCPI
-30 dBm 0.01 dB Compliant
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