The is a precise radio-controlled (or "atomic") clock movement designed to synchronize automatically with national time signals, such as the MSF in the UK or WWVB in North America . While it is built to be "set it and forget it," environmental factors or battery changes can sometimes require manual intervention. Quick Setup Guide (Automatic Setting)
A: This is the "fast forward" mode, usually triggered after a RESET or new battery insertion. The clock is calibrating its gear positions. It will stop at 12:00 automatically. ch-899 chouchin radio controlled clock manual
: The clock is now searching for the radio signal. This can take 3 to 12 minutes . Do not touch any buttons during this phase. The is a precise radio-controlled (or "atomic") clock