9 • Installing the key-in-knob mechanical
override model
PK2915-T 07_2014 E-760/770/790 SERIES RETROFIT INSTALLATION GUIDE
Page 19
Important: Read the following instructions before using
any of the 3 keys supplied (Shown in Fig. 21)
!
The E-760/770/790 with a recodable cylinder can be operated
with three different keys. The keys are numbered 1, 2 & 3, and
each key is labeled and supplied in a separate plastic bag. It is
very important to use them in order.
* Always read the label instructions on the label
before using a key.
Caution: The use of key #2 automatically cancels the
function of key #1, and the use of key #3 automatically
cancels both keys #1 and #2.
If key #3 is used first, it will immediately make keys #1 and
#2 unusable.
Once a key is cancelled, it can’t be reactivated unless
the cylinder itself is re-pinned.
Fig. 21
Key #1
Key #2
(cancels key #1)
Key #3
(cancels keys
#1and #2)
cylinder
How to change lock combination from key #1 to key #2:
35. Insert key #2 into cylinder.
36. Turn the key clockwise until it stops (see Fig. 22) for both
left-handed and right-handed locks.
Right-handed lock
Left-handed lock
Fig. 22
37. Turn the key back counter-clockwise until it is in the hori-
zontal position.
Fig. 23
Right-handed lock
Left-handed lock
38. Remove the key.
Now the lock should work with key #2, and key #1 has been
cancelled.
*Test: Try to use key #1 in the lock. It should no longer work.
How to change lock combination from key #2 to key #3
39. Insert key #3 into cylinder.
40. Turn the key clockwise until it stops.
41. Turn the key back counter-clockwise until it is in the
horizontal position.
42. Remove the key.
Now the lock should work with key #3, and key #2 has been
cancelled.
*Test: Try to use key #2 in the lock. It should no longer work.
The Recodable Cylinder with 3 different keys (for E-760/770/790 Series with override only)
9
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