234 • Crestron Pyng OS 2 for CP4-R Product Manual – DOC. 8432A
Appendix D: Source Routing Behavior for Media
Sources
When a media source is routed to a room from the media screen in user control mode,
the behavior of the media source varies depending on the device type and the routing
action that is performed.
This appendix describes the expected source routing behavior for various media sources
within the Crestron Pyng system.
When a media source is routed to a room:
• For audio-only media devices (such as the CEN-NSP-1, Autonomic streaming
devices, and CEN-TRACK devices), if the device is not yet playing, it should begin
to play automatically.
• A Sonos device does not begin to play when the "Sonos Favorites" source is
selected. The Sonos device begins to play once a specific favorites channel is
selected from inside the channel's user interface.
• The Crestron Pyng system does not attempt to start devices automatically
unless the device supports automatic play functionality.
When a room is turned off a new media source is routed to a room:
• For the CEN-NSP-1, Autonomic streaming devices, and CEN-TRACK devices, a
discrete pause command is executed. If this command is not available, no
command is executed.
• For DVD players, a discrete pause command is executed. If this command is not
available, no command is executed.
• For streaming devices (such as Amazon Fire® streaming devices or
Apple TV digital media extenders), a discrete pause command is executed. If this
command is not available, no command is executed.
• For cable boxes, no action is attempted.
• If the existing media source is still playing, no action is attempted.
NOTE: The Crestron Pyng system does not execute a discrete pause command
when switching between sources that are part of the same device and part of
the same audio output channel (such as the Autonomic MMS-2A) and when
switching between sources that are part of the same device that has single audio
output channel (such as the CEN-NSP-1).
The Crestron Pyng system also supports a "Device No Longer Used" feature. When a
source is no longer being used by the Crestron Pyng system, a power off command is
sent to the device after one minute.
Media endpoints (such as speakers and displays) are powered off immediately.
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