| Symbol | Meaning | |--------|---------| | | Actively searching for radio signal. | | Solid tower | Last sync successful (within 24 hours). | | No tower | No sync attempted or manual mode. | | Second hand at “RX” | Receiving mode active. | | Second hand at “BAT” | Low battery – replace immediately. |
The CH899 is a radio-controlled (atomic) clock featuring a large, easy-to-read "Chouchin" (lantern-style) dial. It automatically synchronizes with a time signal (DCF77 in Europe, MSF in the UK, or WWVB in North America depending on the variant) to maintain perfect accuracy. ch899 chouchin radio controlled clock instructions free
: Press and hold the M.SET button for 3 seconds. Once the hands start moving, continue holding or pulse the button to advance the time by one minute per press. | Symbol | Meaning | |--------|---------| | |