Locates the telescope's "home" position (synchronous)
ASCOM.DriverAccess (in ASCOM.DriverAccess.dll) Version: 188.8.131.52 (184.108.40.20639)
Returns only after the home position has been found.
At this point the AtHome
property will be True.
Raises an error if there is a problem.
Raises an error if AtPark is true.
This is only available for telescope InterfaceVersions 2 and 3