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Page 5 

Dual User Mode 

(continued)

 

• 

Example: 

- 1 - 5 - 8 - # - Master Code - # - 2 - #. 

• 

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

 

• 

The Master Code will override dual user mode. 

• 

Please see HOW TO OPEN YOUR SAFE on page 2 to use this mode

.

 

 

SETTING TIME DELAY (1 to 59 minute time delay) 

1.  Input:   

(the lock will beep twice) 

2.  Input: 1 - 5 - 9 - #  (the lock will beep twice) 
3.  Input: Current Master Code - #  (the lock will beep twice) 
4.  Input: (00 - 59) - #  (light stays green for three (3) seconds) 
      01 = 1 minute time delay 
      59 = 59 minute time delay 
      00 = Will turn time delay mode off 

• 

Example: 

- 1 - 5 - 9 - # - Master Code - # - 03 - #.                 

(This will set the 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 Master Code. 
2.  Once the code is entered the time delay will activate. 
3.  During the time delay, codes will not be accepted, when you 

press any key the light will stay orange for three (3) seconds. 

4.  The lock will beep continuously and the light will stay green for 

the last thirty (30) seconds of the time delay period. 

5.  Once the continuous beeps stop, the lock will unlock for five (5) 

seconds. 

6.  Turn the handle to open safe. 

 

Low Battery Warnings

 

• 

Red light appears when you open the safe other than the green light. 

• 

Enter your code and get a valid response but the lock doesn’t unlock.  

 

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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