Fab4 Proximity Notes
From SqueezeboxWiki
Proximity: None Detected | *Detected* - Shows whether proximity criteria is met or not
Density: 0-64 - Number of echos received
Control: 0-3 - 0: off, 1: left IR LED, 2: right IR LED, 3: both (Note: current Fab4s only have the left IR LED)
Duty Cycle: 0-7 - 0: lowest sensitivity 7: highest sensitivity