: Once you reach the correct time, release the button. If no buttons are pressed for about 7 seconds, the clock will exit manual mode and begin running as a standard quartz clock. Troubleshooting & Forced Signal Search
The clock will now enter signal search mode. This can take anywhere from . Step 3: Signal Acquisition ch-899 chouchin radio controlled clock instructions
Clears the memory and restarts the initialization process. : Once you reach the correct time, release the button
Forces the clock to search for the radio signal. SET: Used for manual time configuration. This can take anywhere from
The CH-899 is a popular radio-controlled (RC) clock mechanism used by Chouchin and various other clock manufacturers. It is designed to automatically receive time calibration signals (such as MSF in the UK, DCF77 in Europe, or WWVB in North America) to keep perfect time and adjust automatically for Daylight Saving Time (DST). Key Buttons on the Back
Once a signal is found, the hands will automatically move to the correct local time.
Place the clock face-down on a soft cloth to protect the lens.