: Avoid using rechargeable or heavy-duty zinc batteries, as they often lack the consistent voltage needed for the signal receiver.

Closing note The CH-899 Chouchin is intended for low-maintenance, accurate timekeeping when placed where it can receive the regional time signal. If you need a copy of the original manual, check the seller’s website or request a PDF from the manufacturer.

: If the clock shows the wrong time, press and hold the REC button for 3 seconds. The hands will return to 12:00 and start a fresh signal search.