Remove the battery. Press the RESET pinhole button or hold the SET button down for 10 seconds to drain any residual power. Insert a brand-new battery and let the automatic calibration phase begin again. Long-Term Maintenance Tips
Check if your variant of the CH-899 has a country/transmitter switch (like UK/EU or a timezone selector). Adjust the switch and press REC . If no switch exists, you must set the clock via the Manual Set method. 4. The clock keeps losing time ch-899 chouchin radio controlled clock instructions
If you live outside a radio signal radius or have poor reception, you can configure the clock manually: Remove the battery
Note: Even when set manually, the CH-899 movement will still attempt to search for a radio signal overnight to automatically correct itself. Forced Signal Reception Long-Term Maintenance Tips Check if your variant of
Forces the clock to search for the atomic radio signal immediately.
If you are in a "dead zone" (like a basement or a building with thick masonry) and can't get a signal, you can set the time yourself: