The CH899 module relies on a microprocessor to drive the physical hands to match the internal digital register exactly. Step-by-Step Initial Setup Instructions
"What if it drifts?" Arthur asked."Reset the memory," Elias whispered. He showed Arthur the button. "Hold that for 3 seconds to force a new signal search. The hands will return to 12 and try again". If that failed, the ultimate cure was to remove the battery, wait 10 seconds (or even place it in backward for a moment to clear the circuit), and start over near a westerly window. ch899 chouchin radio controlled clock instructions free
This means the clock successfully reset but cannot find the radio transmission signal. The CH899 module relies on a microprocessor to
Keep the clock at least 2 meters away from TVs, computers, or air conditioners. "Hold that for 3 seconds to force a new signal search
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.