Dust the exterior casing with a dry microfiber cloth. Never spray liquid cleaners or water directly onto the back movement housing.
While possible, it is not recommended . Rechargeable batteries typically have a lower voltage (1.2V) than alkaline batteries (1.5V). The CH-899 is calibrated to operate at the higher voltage, and using rechargeable batteries can lead to erratic movement, especially when the clock tries to perform its power-intensive high-speed hand corrections.
If storing the clock for an extended period, always remove the battery to prevent corrosion damage to the metal terminal contacts. ch-899 chouchin radio controlled clock manual
When the alarm rings, press the button on top for a 5-minute delay.
Press and hold the [M. SET] button for approximately 3 seconds . Dust the exterior casing with a dry microfiber cloth
If the cuckoo call does not align with the actual hour or half-hour, the internal linkage between the clock hands and the cuckoo mechanism may have slipped.
: Keep it at least 6 feet away from TVs, computers, or routers , as electronic noise blocks the signal. Rechargeable batteries typically have a lower voltage (1
Atmospheric interference is lowest at night. If your clock fails to catch a signal during the day, leave it overnight near a window; it will usually update by morning.