
Note: acoustic decay relates to the fact that acoustic echoes decay exponentially with time. The settings below allow the echo canceller in the room stations to perform better with a known decay rate for a particular room.
| Setting Name | Actual Value | Usage | 
| 
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| None | 0 dB/ms | For acoustically live room (good | 
| 
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 | echo/sound reflections) | 
| 
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 | 
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| Slight | .19 dB/ms | For acoustically live rooms (good | 
| 
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 | echo/sound reflections) | 
| 
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 | 
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| Default | .38 dB/ms | For typical rooms with carpet | 
| 
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 | (default setting) | 
| 
 | 
 | 
 | 
| Rapid | .75 dB/ms | For acoustically dead rooms (poor | 
| 
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 | echo/sound reflections) | 
| 
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 | 
 | 
After 30 seconds of inactivity, the room station returns to the Greeting Menu.
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