While your CH-899 is designed to set itself automatically, there are scenarios where you might want (or need) to set the time manually. For example, you might be in a remote location with weak radio signal, or you might want to use the clock immediately.
The time format (12Hr/24Hr) will flash. Choose your preference and press .
This indicates the clock has successfully received the time signal, but the internal time zone setting is incorrect. If your specific version of the CH-899 features time zone switches, ensure it matches your region (e.g., PT, MT, CT, ET). The clock loses a few minutes every day ch-899 chouchin radio controlled clock manual
Clears all internal memory and restarts the initialization sequence.
: Use one fresh 1.5V AA alkaline battery . Do not use rechargeable batteries. While your CH-899 is designed to set itself
In normal mode, press and hold the M.SET button . The second hand will stop, indicating it has entered manual setting mode.
The CH-899 Chouchin radio controlled clock movement represents a beautiful fusion of traditional clockmaking and modern technology. Its ability to self-synchronize with an atomic clock, combined with thoughtful features like automated cuckoo control and a power-saving mode, makes it one of the most sophisticated yet user-friendly movements available. Choose your preference and press
: Stop pressing the button once the correct time is reached. The clock will automatically exit manual mode and resume normal operation after about of inactivity. TLC Electrical Supplies Manual Signal Reception (Forced Sync)
Allows setting the correct time zone (e.g., P=Pacific, M=Mountain, C=Central, E=Eastern). 4. Manual Setting Instructions
Emma's grandfather, a retired electronics enthusiast, noticed her fascination with the clock and smiled. "Ah, you've found the CH-899! I used to work on those back in the day. It's a great piece of engineering, but I think I lost the manual."