| Write/Read | About Swept IMD | 
| Description | Sets and returns the offset that is applied to CTB measurements. Valid only with measurement parameters: CTB, CTBLo, CTBHi, CTBE, CTBELo, and CTBEHi. | 
| VB Syntax | imd.CTBOffset = value | 
| Variable | (Type) - Description | 
| imd | A SweptIMD Object | 
| value | (Double) Offset value in dBm. | 
| Return Type | Double | 
| Default | 0 | 
| Examples | imd.CTBOffset = 2 'Write | 
| value = imd.CTBOffset 'Read | |
| C++ Syntax | HRESULT get_CTBOffset(double *pVal) | 
| Interface | ISweptIMD |