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Safety warning: all codes must be safely stored. Do 

NOT

 use any personal records (birthdays, phone 

 

numbers etc.) as a code. Change the factory code 

 

immediately before using your key cabinet!

 

This lock is used on the series SLA, SLN, SLR and 

SLP on all the E

-

models.

 

• 

After you have received your key cabinet we 

strongly advice to change the codes before 

using it.

 

• 

Please remember to always keep the door of 

the cabinet in an open position whilst changing 

the code.

 

• 

Please do not store the emergency key inside 

the cabinet, but in a different safe place.

 

L&F 3780 electronic 

lock

 

Important!

 

Options per code

 

 

 

Basic information about the codes

 

• 

The master code has 3 options:

 

1. Opening the lock

 

2. Changing the master code

 

3. Set, change or delete the sub

-

master code and 

the user code

 

• 

The sub

-

master code has 3 options:

 

1. Opening the lock 

 

2. Changing the sub

-

master code

 

3. Set, change or delete the user code

 

• 

The user code has 2 options:

 

1. Opening the lock

 

2. Changing the user code

 

• 

The lock has 3 different kind of codes:

 

1. Master code

 

2. Sub

-

master code

 

3. User code

 

• 

The lock is programmed with 2 factory codes:

 

1. Master code: 

 1 1 3 3 5 5 7 7

 

2. User code: 

 2 2 4 4

 

• 

The master code has 8 digits

 

• 

The user code has 4 digits

 

• 

The lock will close automatically after 4 

 

seconds after the code has been entered.

 

Penalty time

 

After entering the wrong code 3 times, the lock will be 

blocked for 10 seconds.

 

Changing the batteries and using the 

 

emergency key

 

When the batteries are almost out, the lock will show a 

blinking red light. Please change the batteries as soon 

as possible. 

 

You can check the batteries by pushing the big button 

on the lock twice.

 

When the batteries have completely gone out, you can 

always open the cabinet by using the emergency key. 

Please change the batteries as soon as possible.

 

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