JOHNSON SYSTEMS Presidor Wall Station Installation Manual And User's Manual page 25

9. PROXIMITY - Motion detection. Sensitivity selection of the
proximity sensor for auto recognition. PWS will automatically
"wake up" from its Low Power/Energy Saving "SLEEP MODE"
when it detects a user within range of it. Maximum Infrared
detection distance approx. 6' or 1.5m.
10. BACKLIGHT - Sensitivity selection of the ambient light sensor
for desired level of station illumination during operation. SLEEP
MODE illumination select.
11. BLUETOOTH (FUTURE) - Coming for 2021.
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