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3

ENGLISH

2

  

 A

   Slide out the battery drawer 

on the side of the keypad.

 

 B

   Insert 4 AAA alkaline  

       batteries (not included)

 

 Note: Do not use rechargeable 
batteries or any other type of 
non-alkaline battery. Do not mix 
old and new batteries. Do not mix 
alkaline and standard batteries.

  

 C

    Slide battery drawer back 

into keypad.

3

   

M100TEST

SN100TEST01*

12345

Find your 5 digit factory code on 
the 

back of this owner’s manual.

 

 

   WARNING: Test your code several times before putting 

valuables inside.

Unlocking your safe

1

   

FOR DUAL KEY/COMBINATION 
LOCKS ONLY,
 insert key into the 
lock, turn to the ’unlocked’ 
position, then remove the key

 

This is a secondary locking 
feature not an override key.

2

  

 A

   Enter the 5 digit factory code 

found on the back of the 
owner’s manual. 
Note: You may have to lift 
the handle while entering 
the combination.

  

 

 B

  A green light will indicate the 

code is correct. You will have 
4 seconds to turn the handle 
to unlock your safe.

3

  

  Rotate the handle downward to 

open the door.

 

This may take a limited 
amount of force if you have a 
water-resistant safe.

NOTE: •  Make sure the handle is rotated all the way up in the 

horizontal position before unlocking the safe.

 

•  If you exert too much force on the handle, the handle will 

move without moving the bolts. If this happens, you will 
hear a ’click.’ DO NOT be alarmed. This feature is designed 
to protect the bolts from being over powered by force. If this 
occurs, simply exert force in the opposite direction (lifting up) 
until the handles ’clicks’ back into place and repeat steps 1-3 
to open your safe.

 

•  Delay mode will occur if three consecutive invalid entries have 

been tried. Red LED will blink on and off to let you know the 
safe is in delay mode. This will cause the system to shutdown 
for two minutes. DO NOT remove the batteries to restart the 
system it will only increase the length of time for the system 
shutdown.

Locking your safe

1

  

Close the door and pull the 
handle upward until the handle is 
horizontal. 

 

 

For water-resistant units, 
additional pressure to the front,  
left side of the door may need 
to be applied prior to rotating 
the handle. 

2

  

 FOR DUAL KEY/ELECTRONIC 
LOCKS ONLY,
 insert key into the 
lock, turn to the ’locked’ position, 
then remove the key. 

 

  NOTE:  If your safe does not 
appear to be working properly, 
please check to make sure you 
are using NEW alkaline batteries 
before contacting Master Lock 
Customer Service. 

Programming information

Three code options:
Factory code:  
The safe will ALWAYS unlock using 
this 5 digit code (found on the back of 
the owner’s manual). This code cannot 
be deleted.
User code:  
A 5 digit programmable code of your 
choosing that can be changed or 
deleted or changed.
Secondary code: 
A second 5 digit programmable code of 
your choosing that can be changed or 
deleted. Can only be programmed after 
a user code has been activated.

NOTE:  •  The “C” key is a clear key. This can be used at anytime to 

clear the system and return to standby mode – unless you are 
in delay mode (3 consecutive invalid entries).

 

•  The 5 digit factory code cannot be deleted. However, you may 

add and delete additional codes.

This safe can store up to three codes at one time. One factory 
code and two additional programmable codes. 

Programming the user code

To ADD a user code:

    

1

   Press the “P” key.

    

2

   Enter the 5 digit factory code found on the back of your owner’s 

manual. 

    

3

   The light will flash green and then you will have five seconds to 

enter your own personal 5 digit user code.

To DELETE a user code:

    

1

   Press the “P” key.

    

2

   Enter the 5 digit factory code.

    

3

   Enter 0,0,0,0,0.

NOTE:  •  The electronic lock will NOT indicate that it has deleted the 

user code – please test the code to make sure it has been 
deleted.

  

•  Test with door open when programming. 

Programming the secondary code

To ADD a secondary code:

    

1

   Press the “P” key two times.

    

2

   Enter the 5 digit user code previously programmed.

    

3

   The light will flash green and then you will have five seconds to 

enter your own personal 5 digit secondary code.

To DELETE a secondary code:

    

1

   Press the “P” key two times.

    

2

   Enter the 5 digit user code.

    

3

   Enter 0,0,0,0,0.

NOTE:  •  The electronic lock will NOT indicate that it has deleted the 

secondary code – please test the code to make sure it has 
been deleted.

How to operate the light

The safe you have purchased may include a light. This is a long-lasting 
LED light. Not all safes include a light. 

The batteries that operate the keypad 
are the same batteries that operate the 
light. If the light in your unit does not 
turn on, please change your batteries. 
The light will turn on every time you 
enter your code and will remain on 
for 30 seconds. The light duration has 

three options – off, 30 seconds, and 60 seconds.
To turn the light off:

    

1

   Press the “0” button.

    

2

   Press the “P” button.

    

3

   Press the “3” button.

To turn the light on for 30 seconds:

    

1

   Press the “0” button.

    

2

   Press the “P” button.

    

3

   Press the “4” button.

To turn the light on for 60 seconds:

    

1

   Press the “0” button.

    

2

   Press the “P” button.

    

3

   Press the “5” button.

NOTE:  •  If the light duration is 60 seconds, the battery life will be 

reduced at a faster rate.

Operating sound features

For Programmable Electronic Lock Only

The tones of the key pad may be turned on and off depending on user 
preference. 
Turn sound off:

    

1

   Press “O”.

    

2

   Press “P” key. 

    

3

   Press “2”. 

Turn sound on:

    

1

   Press “O”.

    

2

   Press “P” key. 

    

3

   Press “1”.

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