If the time is slightly off and you want to force a resynchronization: Press and hold the button for 3 seconds.
Keep the clock at least 2 meters away from electronic devices like TVs, computers, or microwaves that can block the radio signal. ch899 chouchin radio controlled clock instructions free
For the best reception, place the clock near a window, preferably facing towards Fort Collins, Colorado (for US signals). If the time is slightly off and you