macOS · Research guidance. Instructions are based on publisher guidance; a UK IPTV account was not tested on this platform.
Define the intended interruption policy
A Focus filters notifications according to the choices you make. It does not pause a programme, improve its bitrate or make a shared computer private. For a viewing session, decide whose messages or which apps should still be able to interrupt. A useful configuration preserves the contact you need instead of blocking everything without review.
Open Focus settings
Use System Settings, Focus to inspect a provided Focus or add an appropriate custom one. Apple documents controls for allowed people, apps and time-sensitive notifications. Read the selected Focus rather than assuming every named mode has the same exceptions. Record any existing choices that you are about to change.
Review cross-device effects
Check the Share Across Devices setting. A Focus enabled on the Mac can be reflected on other Apple devices using the relevant account and settings. If a phone unexpectedly becomes quiet while you watch on the Mac, this shared state is a sensible setting to inspect. Do not alter unrelated message or call permissions to compensate for an unexplained shared Focus.
Use a bounded session
Turn the chosen Focus on using the Mac controls and note the visible state. Review schedules if the mode starts or ends at an unexpected time. If you only want a short session, use the available duration choices rather than creating a lasting automatic rule by accident. Check that an allowed urgent notification still follows the preference you intended.
Finish and review
Turn the Focus off when the session ends if it should no longer apply, and review missed notifications. Keep a short note of which Focus was active and whether sharing was enabled if you need support. The setting controls interruptions; it is not evidence that a streaming application has been granted additional permissions or account access.
Questions, answered
Why did another Apple device become quiet?
Review Share Across Devices and the active Focus on devices using the relevant account.
Does Focus silence every notification automatically?
Its effect depends on allowed people, apps and other exception choices.