Description: The object indicates the actual status of the timing of an OAS system. A value 'notOperational(6)' indicates that the shelf doesn't have operational timing equpment available. A value 'freerun(1) indicates the free-running timing mode. A value 'external(2)' indicates the external timing mode of the shelf. A value 'loop(3)' indicates the loop-timed timing mode of the shelf. A value 'holdoverMntc(4)' indicates the timing mode was intentionally switched to 'holdover' by setting 'qbTimingHooldover' to 'holdover'. A value 'holdoverAuto(5)' indicates the timing mode was intentionally switched due to hardware problems