If you are in an area with poor signal reception or wish to use the clock as a standard quartz movement, you can set it manually:
The is a high-precision timepiece designed to synchronize with official atomic time signals, such as WWVB in North America or MSF in the UK. Initial Setup Instructions
: To force the clock to look for a signal immediately, press and hold the REC button for at least 3 seconds . The hands will return to 12:00 and begin a new search. ch-899 chouchin radio controlled clock instructions
: Once powered, the hands will quickly advance and typically stop at 12:00 (sometimes 4:00 or 8:00). The clock is now in "reception mode" and will stay still while it searches for a radio signal. This can take anywhere from 3 to 15 minutes , though in some areas it may take up to 24 hours to find a stable signal. Manual Time Setting
: Place a fresh 1.5V AA alkaline battery into the compartment, ensuring correct polarity (+/-). If you are in an area with poor
: Ensure the DST (Daylight Savings Time) switch is set to "On" if you want the clock to adjust automatically in spring and fall.
Setting up the CH-899 for the first time is largely an automated process: : Once powered, the hands will quickly advance
: If the clock becomes unresponsive or shows erratic behavior, you can perform a reset by short-circuiting the two small metal pins located in the upper-left corner of the movement with a small screwdriver. Troubleshooting Tips Radio Controlled Analog Clock Instructions
: Before inserting the battery, locate the time zone switch on the back of the movement. Most North American models feature settings for P (Pacific), M (Mountain), C (Central), and E (Eastern).
: If no buttons are pressed for about 7–10 seconds , the clock will save the time and resume normal operation. Advanced Functions