: 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.
If your CH899 does not set itself after 24 hours (e.g., in a basement or metal building), set it manually. It will still try to sync overnight. ch899 chouchin radio controlled clock instructions free
For most users, the clock will set itself if you follow these steps: Set Your Time Zone: Locate the switch on the back and slide it to your zone: (Pacific), (Mountain), (Central), or (Eastern). School Fix Toggle DST: Ensure the Daylight Saving Time switch is set to if applicable. Squarespace Insert Battery: Use one fresh 1.5V AA Alkaline : Press and hold the M
The clock will now wait for a radio signal. This can take anywhere from a few minutes to a few days. 🛠️ Manual Time Setting It will still try to sync overnight
Insert one fresh 1.5V AA alkaline battery , ensuring the +/- polarity is correct.