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“Better MESA SAFE than Sorry!” 

LOCK MODEL: MSL-500 

ELECTRONIC LOCK 

OPERATING INSTRUCTIONS 

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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