The Ring/Silent (or Silent) switch does not silence sounds that result from user actions that are solely and explicitly intended to produce sound. For example: Apple Mobile HIG p.103 – Media playback in a media-only app is not silenced because the media playback was explicitly requested by the user. – A Clock alarm is not silenced because the alarm was explicitly set by the user.
Conceptual Model User Performance User Competence User Interface Language bildet die Basis des ... erhöht dadurch die durch neues Verständnis Anpassung des erweitert den abgestimmt auf User‘s Background: - experience - comprehension erhöht Verständnis steigert die nach Mihai Nadin »Interface design: A semiotic paradigm«