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Ch-899 Chouchin Radio Controlled Clock Manual May 2026

Sometimes the atomic signal is unavailable (remote locations, basements, or during maintenance). In this case, you need the manual override function. Follow these steps from the CH-899 Chouchin radio controlled clock manual:

This is the feature that makes the CH-899 special. After you have inserted the batteries and set the time zone, the clock will attempt to search for the signal.

| Problem | Possible Solution | |---------|------------------| | Clock does not set itself | Move near a window. Remove batteries, wait 1 minute, reinsert. Try manual search (hold WAVE 3 sec). | | Wrong hour (off by 1) | Check DST setting: should be AUTO. | | Wrong time zone | For USA models: set time zone (PST, MST, CST, EST) using TIME ZONE button. | | Low battery indicator | Replace with fresh AA alkaline batteries (do not use rechargeable). | | Hands not moving (analog) | Remove batteries, rotate hands manually to 12:00, reinsert batteries. | ch-899 chouchin radio controlled clock manual


The clock is programmed to search for the signal automatically at night (typically between 1:00 AM and 4:00 AM) when interference is lowest.

  • Manual Search: Press and hold the RCC/RC button for 3 seconds to force a search.
  • Disabling RC: If you are in a region with no signal coverage, you can hold the RCC button until the antenna icon disappears, or set the time manually.
  • Before setting anything, ensure your power source is fresh. The clock is programmed to search for the

    Note: Always use fresh, standard alkaline batteries. Avoid rechargeable batteries, as they often output slightly lower voltage which can cause display issues.


    The CH-899 Chouchin Radio Controlled Clock is a precision timekeeping device designed to synchronize automatically with standard time signals broadcast by atomic clocks. This ensures that the clock always displays the correct time without the need for manual adjustment, including automatic updates for Daylight Saving Time (DST). Manual Search: Press and hold the RCC/RC button

    Press and hold the WAVE or SET button for 3 seconds to force a manual signal search.


    | Icon | Status | Meaning | | :--- | :--- | :--- | | Antenna flashing | Searching | Attempting to receive atomic signal. | | Antenna solid (no slash) | Synchronized | Last reception successful. Time is atomic. | | Antenna with slash (/) | Failed | No signal in last 24h. Quartz mode active. | | DST indicator (summer sun) | Active | Daylight Saving Time is manually or automatically applied. |

    ch-899 chouchin radio controlled clock manual
    ch-899 chouchin radio controlled clock manual
    ch-899 chouchin radio controlled clock manual
    ch-899 chouchin radio controlled clock manual
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