If the time is slightly off and you want to force a resynchronization: Press and hold the button for 3 seconds.
For the best reception, place the clock near a window, preferably facing towards Fort Collins, Colorado (for US signals). ch899 chouchin radio controlled clock instructions free
The is designed to synchronize with atomic time signals (like WWVB in the US or MSF in the UK) to provide near-perfect accuracy. Quick Setup Guide (Automatic Setting) If the time is slightly off and you
If you are out of range of a radio signal or the clock fails to sync, you can set it manually. place the clock near a window