Legrand OS300S 120/277VAC - Manual (Page 7)

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ADJUSTMENTS
Sensor Adjustment
Your OS300S has been preset for optimum performance at the factory. It is
designed with SmartSet technology for “Install and Forget” functionality. If you
need to change the settings follow the directions below.
All major adjustments to the OS300S must be made with the wall plate
removed. To access DIP switches, remove the button cap by squeezing the top
sides of the button and pull it gently away from the unit.
When the adjustments are completed, replace the button by inserting its hinges
into the LED light bar and then squeeze the top of the button while pressing it
into the unit. Reinstall the cover plate.
Light Level Adjustment
To set, or reset, the threshold to match a current ambient light level, put the
sensor into TEST mode. Press and hold the button for 3 seconds, until a beep is
heard, then step away from the sensor. After 25 seconds another short beep will
sound, indicating that the threshold level has been set. This threshold will be
retained, even if power is lost, or Light Level Control is temporarily disabled,
until it is re-programmed in this manner.
Automatic Reset
Holding the On/Off button for ten seconds will cause the OS300S to reset to
default settings. This includes resetting the light level threshold to maximum
(i.e. even the brightest ambient light will not hold the light OFF). The sensor
occupancy history is also reset.
Auto On/Off Button
DIP Switches
LED
Lens
OS300S Diagram