Open the back compartment and insert fresh AA batteries (alkaline is best). The Auto-Sync:
The clock is now in "receiving mode," searching for the radio signal.
Keep the clock at least six feet away from computers, TVs, or routers, as these can interfere with the internal antenna. ch-899 chouchin radio controlled clock manual
Here is a quick guide to getting your CH-899 up and running. 1. The Initial Startup Insert Batteries:
Once the batteries are in, the hands will usually spin automatically to the 12:00, 4:00, or 8:00 position. Do not touch the hands. Open the back compartment and insert fresh AA
This can take anywhere from 3 to 12 minutes. If it finds the signal, the hands will automatically fast-forward to the correct time. 2. Manual Setup (If the signal is weak)
If the clock is acting glitchy, use a paperclip to press the Reset hole. This clears the memory and starts the auto-sync process from scratch. 3. Tips for Success Night Sync: Here is a quick guide to getting your CH-899 up and running
Radio signals are strongest at night. If it doesn't set during the day, leave it by a window overnight; it usually corrects itself by 4:00 AM.