| Write/Read | About SA Application | 
| Description | Set and read the ON/OFF state of the DC sources. If ON, the DC sources sweep between their start and stop voltages. | 
| VB Syntax | sa.DCSourceSweepState = value | 
| Variable | (Type) - Description | 
| sa | A SpectrumAnalyzer (object) | 
| value | (Boolean) Choose from: 0 - OFF - DC sweep OFF. 1 - ON - DC sweep ON. | 
| Return Type | Boolean | 
| Default | 0 | 
| Examples | sa.DCSourceSweepState = OFF Write | 
| value = sa.DCSourceSweepState 'Read | |
| C++ Syntax | HRESULT put_DCSourceSweepState(VARIANT_BOOL bEnable); HRESULT get_DCSourceSweepState(VARIANT_BOOL* bEnable); | 
| Interface | ISpectrumAnalyzer |