| Write/Read | About Port Extensions | 
| Description | This command is replaced by PortDelay property. Sets a Port Extension value for Port 1 | 
| VB Syntax | portExt.Port1 = value | 
| Variable | (Type) - Description | 
| portExt | A Port Extension (object) | 
| value | (double) - Port Extension value in seconds. Choose any number between -10 and 10 | 
| Return Type | Double | 
| Default | 0 | 
| Examples | portExt.Port1 = 10e-6 'Write | 
| prt1 = portExt.Port1 'Read | |
| C++ Syntax | HRESULT get_Port1(double *pVal) | 
| Interface | IPortExtension |