V-484 - Radio off-air receivers

All V-400A series clocks can be programmed to synchronise to radio time code signals from DCF or MSF when connected to the appropriate Timelord series receiver.

V-488C.00 - V-488C.00 GPS System for worldwide synchronization to the NAVSTAR GPS (UTC) Satellite Time Reference

The V-488C.00 GPS receiver system is designed to allow Timelord series master clocks and V-400A series displays to be automatically synchronised from the GPS satellite time transmissions.

V-400A Series Displays - External synchronisation

The V-400A series clocks can be synchronised from many different external sources, including radio and satellite time signals, as well as various time codes and impulse signals.