how do i create a constuction key for PED500, KC2 deadbolt

To create a construction credentail for a PED-500 or  BE367:

Factory default the lock,
Disconnect battery
Press and release the SCHLAGE button 4 or 5 times.
Hold the SCHLAGE button while reconnecting  the battery
Red led should flash  
Green led illuminates solid, 
Allow SCHLAGE button go out 
Introduce yellow construction key

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