He didn't press SET. He waited.
: If the clock is displaying the wrong time, press and hold the ch-899 chouchin radio controlled clock instructions
For the most accurate results, let the clock find the radio signal automatically: He didn't press SET
The CH-899 combines traditional analog or digital timekeeping with modern radio-controlled (RC) technology. It automatically synchronizes with a government radio time signal (like WWVB in the US, DCF77 in Europe, or MSF in the UK) to ensure perfect accuracy. DCF77 in Europe
: Before inserting the battery, set the Time Zone switch to your region (P for Pacific, M for Mountain, C for Central, E for Eastern). Ensure the DST (Daylight Savings Time) switch is in your preferred position.