: Place one fresh 1.5V AA alkaline battery into the compartment, ensuring the polarity ( ) is correct. Wait for 12:00
Because official sources often remove older manuals, we host a of the original CH899 Chouchin radio controlled clock instructions. ch899 chouchin radio controlled clock instructions free
: If the clock fails to set within 24 hours, move it closer to a window or an external wall. Radio reception is often better at night. Report: City Lux CH899 Chouchin Radio Controlled Clock
If the clock cannot find a signal, you can set the time manually: Manufacturer's website : Visit the Chouchin or CH899
If the clock is showing the wrong time and you want to try syncing again without pulling the battery: Press and hold the (or Wave) button for 3 seconds.
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)