Ch-899 Chouchin Set Time đŸ”¥ Extended
The CH-899 does not have a real-time clock battery. If you remove the main battery pack or let the unit drain to 0% for over 48 hours, you will need to reset the time from scratch.
Press and hold the (or Sync) button for 3 seconds . The hands will return to 12:00 and start searching for the radio signal. Common Troubleshooting: ch-899 chouchin set time