Dimming DZ sensors allow one set of lights to be controlled in closed loop mode, and a second set of lights to follow the first set of lights with a voltage offset. This voltage offset is set in function #17 as the "Second Zone Offset Voltage". If the Dimming DZ sensor has On/Off capability it will turn the first set of lights off completely if appropriate sunlight is available. It will then turn the second set of lights off if the second zone’s off point is satisfied. Function #18 allows the selection of the "Second Zone Offpoint" as a percentage offset from the first zone’s set point.
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