TFA HiTrax Tip Handbuch Seite 21

9.0 Daily Alarm Mode
To turn the Daily Alarm on or off, press the [start/stop] button. When
the daily alarm is on, the watch starts beeping at the alarm time for
30 seconds. Press any button to stop the alarm (except light).
To turn the Hourly Chime on or off, press the [reset] button. When
the hourly chime is on, the watch will beep once every hour.