radio controlled watch time

Radio-controlled watch time adjustment allows you to calibrate the radio-controlled watch time anytime and anywhere, without having to worry about whether you can receive long-wave timing station signals. Just turn up the volume, click "Start Send", put the watch in manual receiving mode near the iPhone/iPad speaker, and wait for synchronization to complete. Radio-controlled watch time synchronization function: - Covers global mainstream timing station signals: * American WWVB * Japanese JJY * Chinese BPC * British MSF * German DCF77- Accurate time can be obtained through NTP. * When using a radio-controlled clock that does not support BPC in China, please select the JJY transmitter manually. * When using a radio controlled clock in the UK that does not support MSF, please select the DCF77 transmitter manually. * If you use a radio-controlled clock that only supports a certain time zone or transmitter, please manually select the time zone where the radio-controlled clock is located in the settings interface of this application.