If the clock is showing wrong time after a battery change:
If you have the clock but lost the paper, here is the operational guide to get it running:
If the CH899 still won’t sync after 2 nights, the radio receiver may be defective. Contact your seller for a replacement—this is common with budget Chouchin models.
For personalized help: Leave a comment below with your country and a photo of the back of your clock (showing the button layout). We’ll respond within 24 hours.
Disclaimer: CH899 and Chouchin are trademarks of their respective owners. This guide is user-provided for informational purposes. We do not sell or manufacture these clocks.
To set up or troubleshoot your CH899 Chouchin radio-controlled clock, follow this guide based on official manufacturer procedures. 1. Automatic Setup
This is the standard method for initial use or after a battery change. ch899 chouchin radio controlled clock instructions free
Time Zone Selection: Set the Time Zone switch on the back to your local zone: P (Pacific), M (Mountain), C (Central), or E (Eastern).
Battery Installation: Insert one fresh 1.5V AA alkaline battery, ensuring the +/- polarity is correct.
Synchronization: Once the battery is in, the hands will quickly advance and stop at 12:00. The clock will then search for the radio signal, which can take anywhere from a few minutes up to a few days depending on signal strength.
Placement: For the best signal, place the clock near a window, ideally facing toward Fort Collins, Colorado (for US WWVB signals). 2. Manual Time Setting
Use this if you are outside a signal range or want to set the time immediately.
Enter Manual Mode: Press and hold the M. SET button for approximately 3 seconds. Adjust Time: Single Press: Advances the time by one minute. If the clock is showing wrong time after a battery change:
Hold Button: Triggers the hands into a continuous fast motion. Release the button about a minute before the desired time, then use single presses to reach the exact minute.
Exit Manual Mode: Stop pressing any buttons for 7 seconds (or 6 seconds depending on the specific model variation) to save the setting and exit. 3. Forced Signal Reception
If the clock shows the wrong time and you want it to resync immediately: Press and hold the REC button for at least 3 seconds.
The hands will return to the 12:00 position and begin a fresh search for the radio signal. 4. Troubleshooting & Reset
Interference: Keep the clock at least 2 meters away from TVs, computers, or air conditioners to avoid signal disruption.
Signal Issues: Signals are often strongest at night (between midnight and 5:00 AM). If you have the clock but lost the
Full Reset: If the clock is unresponsive, remove the battery and wait for at least 1 minute before reinserting it. Some guides recommend inserting the battery backwards for 5 seconds to fully clear the memory before re-installing it correctly.
Low Battery: If the second hand begins moving in 2-second increments, the battery is low and needs replacement.
Are you experiencing a specific issue, such as the hands stopping at 12:00 or failing to sync after a reset? MSF Radio Controlled Wall Clock - TLC Electrical Supplies
If the clock does not receive a signal (e.g., in a basement or remote area), set it manually:
Note: The clock will still attempt radio reception at night (typically 12:00 AM, 1:00 AM, 2:00 AM). If successful, it will override your manual setting.
The CH899 Chouchin is a radio-controlled wall clock that automatically synchronizes time using standard longwave time signals (e.g., WWVB, DCF77, MSF) depending on region. It offers automatic DST adjustments, accurate timekeeping, and easy setup.
+0 (UK/Portugal), +1 (Germany/France/Spain), etc.