This window plays the whole Session 7 Setting video (a timecode band over the picture, the audio untouched) and keeps it where the phone says the room's copy is. Channel .
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WAITING FOR THE PHONE
Study channel the phone is speaking on
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Position inside the passage (what the study channel carries)
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This video's drift from the phone's position (video minus phone)
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Phone's sync offset (the followers run ahead by this much)
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Phone's position as heard (before the offset)
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Age of the last message
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Round trip (phone to here and back, measured on the phone's clock)
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One way, phone send time to arrival here (two clocks, not synced)
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Phone's confidence
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Phone's match delay
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Seconds since the phone's last fresh match
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Messages received
0
Channel
connecting
The big timecode is the phone's last position plus the age of the message, advancing on this window's own clock; the phone's sync offset is already inside it. The video seeks when it is more than 0.4 s away from that and otherwise nudges its speed by up to ten percent. Compare its burned-in timecode with the room's video by eye; the drift line is the same comparison in numbers. If the phone's messages stop, this video keeps running from the last position (NO SIGNAL); it stops only when the phone says it stopped listening.