Remote Control Commands
R&S
®
SMBV100A
787Operating Manual 1176.8016.02 ─ 17
Manual operation: See "Search Once - ALC" on page 228
[:SOURce<hw>]:POWer:ALC[:STATe] <State>
Activates/deactivates automatic level control.
Parameters:
<State> 0 | OFF | AUTO | 1 | ON | OFFTable | OFFHighAccuracy
ON
Internal level control is permanently activated.
OFF|ONSample
Internal level control is deactivated.
AUTO
Internal level control is activated/deactivated automatically
depending on the operating state.
ONTable
Internal level control is performed according to the ALC table.
OFFHighAccuracy
The ALC mode High Accuracy ensures improved level accuracy.
Note: This mode increases the frequency and level setting time
up to 20 ms!
*RST:
AUTO
Manual operation: See " State - ALC " on page 227
[:SOURce<hw>]:POWer:ATTenuation:RFOFf:MODE <Mode>
Selects the attenuator mode, when the RF signal is switched off.
Parameters:
<Mode> UNCHanged | FATTenuation
UNCHanged
Freezes the setting of the attenuator when RF is switched off.
The attenuator is only activated when RF is switched on.
This setting recommended if a constant VSWR (Voltage Stand-
ing Wave Ratio) is required.
FATTenuation
Sets attenuation to maximum when the RF signal is switched off.
This setting is recommended for applications that require a high
level of noise suppression.
*RST: n.a. (factory preset: FATTenuation)
Example:
SOUR:POW:ATT:RFOF:MODE FATT
sets the RF OFF attenuator to maximum.
Manual operation: See " RF OFF Mode " on page 224
SOURce Subsystem
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