BASIC FEATURES AND FUNCTIONS
• 6 Personal Codes available. Keep notes on which code belongs to
which user (Users: Master, User 1, User 2, User 3, User 4 and User 5).
• The Mesa Model MSL-500 Electronic Lock is shipped from the factory
with a factory set master code. You should set the lock to your own
unique master code immediately.
• If four incorrect entries are entered in a row, the keypad will shut down
for a period of five (5) minutes. During this shut down period the keypad
will not accept any codes.
• Programmable time delay function can be set from 01 minute to 59 min-
utes.
• Optional dual user mode, in this mode two separate codes will need to
be entered to unlock 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 the handle clockwise before the green light disappears.
• Example: 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - #.
• Invalid Code: a solid red light along with five beeps.
Dual User Mode
(Please see SETTING SINGLE USER AND DUAL USER
MODE on page 4 to use this mode)
1. Input:1st Code - # (lock will beep twice)
2. Input: 2nd Code - # (light stays green for five (5) seconds)
3. Turn the handle clockwise before the green light disappears.
• Example: 1st Code - # - 2nd Code - #.
•
Invalid Code: a solid red light along with five beeps.
Wrong try penalty: If four incorrect entries are entered in a row,
the keypad will shut down for a period of five (5) minutes. During
this shut down period the keypad will not accept any codes.
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