| Write / Read | About Frequency Settings | 
| Description | Sets and reads the center frequency step size of the analyzer. This command sets the manual step size (only valid when CenterFrequencyStepSizeMode is FALSE. 
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| VB Syntax | chan.CenterFrequencyStepSize = value | 
| Variable | (Type) - Description | 
| chan | (object) - A Channel object | 
| value | (Double) - Choose a value (in Hz.) below the stop frequency of the analyzer. | 
| Return Type | Double | 
| Default | Default is 40 MHz. When CenterFrequencyStepSizeMode is TRUE, this value is ignored. | 
| Examples | chan.CenterFrequencyStepSize = 1e5 'Write | 
| C++ Syntax | HRESULT get_CenterFrequencyStepSize(Double* pVal); HRESULT put_CenterFrequencyStepSize(Double pVal); | 
| Interface | IChannel25 |