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Page 4 

Change User Codes 

(continued)

 

5.  Input: New User Code - #  (lock will beep twice) 
6.  Re-Input: New User Code - #  (light stays green for three (3)     

seconds) 

• 

Example: 

- 3 - 3 - 3 - # - User 2 Code - # - 2 - # - New User 

Code - # - New User Code - #.                                                      

(This will change User 2’s Code).

 

• 

Unsuccessful Code Change: five beeps, repeat steps 1 - 6.

 

 

DELETE USER CODES

 

1.  Input:  

(the lock will beep twice) 

2.  Input: 6 - 6 - 6 - #  (the lock will beep twice) 
3.  Input: Current Master Code - #  (the lock will beep twice) 
4.  Input: (

User 

#

) - #  (the lock will beep twice)        

                            

 

       (

User #

: Specify which user you would like to delete: 1, 2, 3, 4 or 5) 

5.  Re-Input: (

User #

) - #  (light stays green for three (3) seconds) 

• 

Example: 

- 6 - 6 - 6 - # - Master Code - # - 5 - # - 5 - #.    

(This will delete User 5). 

• 

Unsuccessful Code Change: five beeps, repeat steps 1 - 5.

 

 

SETTING SINGLE USER AND DUAL USER MODE 

Single User Mode (Only one code needed to open safe) 

1.  Input:  

(lock will beep twice) 

2.  Input: 1 - 5 - 8 - #  (lock will beep twice) 
3.  Input: Current Master Code - #  (lock will beep twice) 
4.  Input: 1 - #  (light stays green for three (3) seconds) 

• 

Example: 

- 1 - 5 - 8 - # - Master Code - # - 1 - #. 

• 

Unsuccessful Code Change: five beeps, repeat steps 1 - 4.

 

 

Dual User Mode (Two separate codes needed to open safe) 

1.  Input:  

(the lock will beep twice) 

2.  Input: 1 - 5 - 8 - #  (the lock will beep twice) 
3.  Input: Current Master Code - #  (the lock will beep twice) 
4.  Input: 2 - #  (light stays green for three (3) seconds) 

Summary of Contents for MSL-500

Page 1: ...Better MESA SAFE than Sorry LOCK MODEL MSL 500 ELECTRONIC LOCK OPERATING INSTRUCTIONS...

Page 2: ...the lockout penalty wait five 5 minutes and check if the lock responds See Wrong try penalty on page 2 Replace the existing batteries with new ones See CHANGING YOUR BATTERIES on page 6 The Lock Is Re...

Page 3: ...k safe SAFE OPERATION AND PROGRAMMING Your MASTER CODE is factory set to 1 2 3 4 5 6 7 8 HOW TO OPEN YOUR SAFE Single User Mode Default setting 1 Input Code light stays green for five 5 seconds 2 Turn...

Page 4: ...1 5 ACTIVATE USER CODES Code length 3 8 digit code 1 Input lock will beep twice 2 Input 3 3 3 lock will beep twice 3 Input Current Master Code lock will beep twice 4 Input User User Specify which user...

Page 5: ...5 5 Re Input User light stays green for three 3 seconds Example 6 6 6 Master Code 5 5 This will delete User 5 Unsuccessful Code Change five beeps repeat steps 1 5 SETTING SINGLE USER AND DUAL USER MOD...

Page 6: ...e time delay period to 3 minutes Unsuccessful Code Change five beeps repeat steps 1 4 The Master Code will override the time delay How to open in time delay 1 Enter any valid code other than the Maste...

Page 7: ...ng wires out of housing 3 Carefully reinsert the new 9V alkaline battery do not force the battery into the compartment 4 The lock will retain all current codes and settings IMPORTANT DO NOT RETURN SAF...

Page 8: ...Better MESA SAFE than Sorry MESA SAFE COMPANY P O Box 52282 Irvine CA 92619 Phone 714 891 8356 Fax 714 891 8474 www mesasafe com sales mesasafe com...

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