DCF 77 transmitter-controlled radio clock

摘要

The clock can be altered, so that the time to be displayed on the clock differs from the correct time transmitted from a time standard by a determined amount. The size of the time difference may be adjusted. Preferably, the adjustment may be made only in the positive direction. The difference may also be discretely altered. The adjustment may be made for only a single time interval. The adjustment may be made in only one fixed time period, and further adjustment may be prevented.