How does the indicator trim operate on the ND55 Entrance Lock with Automatic Unlocking?

ND55 Entrance Lock with Automatic Unlocking 

  • Engaging the push button will lock the outside lever and activate the outside indicator trim to read either Occupied or Locked. 
  • When locked by push button, rotating the inside lever, closing the door, or unlocking by key unlocks the outside lever. Outside Indicator trim will now read either Vacant or Unlocked. 
  • When the button is pushed and turned, rotating the inside lever will not release the button or unlock the outside lever. The outside indicator will not reset and will continue to read either Occupied or Locked until unlocked by key or button is rotated to start position to allow button to release by rotating inside lever.

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