Insert one fresh 1.5V AA Alkaline battery , matching the polarity (+/-).
Locate the time zone switch on the back. Slide it to your region: P (Pacific), M (Mountain), C (Central), or E (Eastern). ch-899 chouchin radio controlled clock manual
Continue holding the button to make the hands advance quickly. Release the button once you are close to the correct time, then press the button repeatedly for one-minute increments to reach the exact time. Insert one fresh 1
Remove the battery for 15 minutes and press the SET button several times to clear the memory before reinserting. Continue holding the button to make the hands
The is a high-precision timepiece designed to synchronize automatically with atomic clock signals. Whether you are setting it up for the first time or troubleshooting a signal issue, this manual provides the necessary steps for both automatic and manual operation. Quick Setup Guide (Automatic Setting)