D Series Keyed Knobs

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Entrance:
Push-button or Turn/push-button locking. Inside button locks outside knob until unlocked with key or by turning inside knob. Inside knob is always free for immediate egress.

Classroom:

Outside knob locked and unlocked by key. Inside knob always unlocked. Inside knob is always free for immediate egress.

Storeroom:

Outside knob fixed. Entrance by key only. Inside knob always unlocked. Inside knob is always free for immediate egress.

Faculty Restroom:

Outside knob fixed. Entrance by key only. Push-button in inside knob activates visual “occupancy” indicator, allowing only emergency master key to operate. Turning inside knob or closing door releases visual occupancy indicator. Rotation of inside spinner-button provides lock-out feature by keeping indicator thrown. Inside knob is always free for immediate egress.

Vestibule:

Latch retracted by key from outside when outside knob is locked by key in inside knob. Inside knob is always unlocked. Inside knob is always free for immediate egress.

Corridor:

Locked or unlocked by key from outside. Push-button locking from inside. Turning inside knob or closing door releases button. When outside knob is locked by key it can only be unlocked by key. Inside knob is always unlocked. Inside knob is always free for immediate egress.

Institution:
Both knobs fixed. Entrance by key in either knob.

Store:

Key in either knob locks or unlocks both knobs.

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