Mesa Safe Co.

MSL-300E ELECTRONIC LOCK OPERATING INSTRUCTIONS

The default Master Code is factory set to 7 - 7 - 7 - 7 - 7 - 7
The default manager code is factory set to 0 - 0 - 0 - 0
How to open your safe
Single User Mode (Default Setting)

Enter: * - Code - #
The lock will indicate a valid code entry with a double signal and the open light will stay green for five (5) seconds.
Turn the handle clockwise before the green light disappears

Dual User Mode (Please see "Setting single user and dual user mode")

Enter: * - 1st Code - # - 2nd Code - #
The lock will indicate a valid code entry with a double signal and the open light will stay green for five (5) seconds.
Turn the handle clockwise before the green light disappears.

Wrong try penalty

Entry of three (3) consecutive invalid codes starts a five (5) minute lockout period.
You will not get any response from the keypad during this period.

Changing the master code ( Code length: 1 to 10 digit code)
Always perform this operation with the door open.

Enter: # - Existing Master Code - #
The set light will stay orange for ten (10) seconds.
Enter: 1 - * - New Master Code - # - New Master Code - #, before the orange light disappears.
If a mistake is made during the change, wait thirty (30) seconds and repeat steps 1 thru 3.
Test the new code several times before closing the door.

The lock will indicate a valid code change with a double signal
The lock will indicate an invalid code chage with a triple signal and the old code is still valid.

Changing the manager code
Always perform this operation with the door open

Enter: # - Master Code or Manager Code - #
The set light will stay orange for ten (10) seconds.
Enter: 2 - * - New Manager Code - # - New Manager Code - #, before the orange light disappears
If a mistake is made during the change, wait thirty (30) seconds and repeat steps 1 thru 3.
Test the new code several times before closing the door.

The lock will indicate a valid code change with a double signal
The lock will indicate an invalid code chage with a triple signal and the old code is still valid.

Activate user codes ( code length: 1 to 10 digit code)
Always perform this operation with the door open.

Enter: # - Master Code - #
The set light will stay orange for ten (10) seconds.
Enter: (User #) - * - New User Code - # - New User Code - #, before the orange light
If a mistake is made during the activation, wait thirty (30) seconds and repeat steps 1 thru 3.

The lock will indicate a valid code change with a double signal
The lock will indicate an invalid code chage with a triple signal and the old code is still valid.
Example: # - Master Code or Manager Code - # - 5 - * - New User Code - # - New User Code - #, this will activate user five.

Changing the user code
Always perform this operation with the door open

Enter: # - User Code - #
The set light will stay orange for ten (10) seconds.
Enter: # - New User Code - # New User Code - #, before the orange light disappears
If a mistake is made during the change, wait thirty (30) seconds and repeat steps 1 - 3.
Test the new code several times before closing the door.

The lock will indicate a valid code change with a double signal
The lock will indicate an invalid code chage with a triple signal and the old code is still valid.
The Master and Manager can also change the user codes by following the Activate user codes section steps 1 thru 3.

Deleting codes
Always perform this operation with the door open.
Deleting User Code

Enter: # - Master Code or Manager Code - #
The set light will stay orange for ten (10) seconds.
Enter: (User #) - * - # - #

Deleting Manager Code

Enter: # - Master Code - #
The set light will stay orange for ten (10) seconds.
Enter: 2 - * - # - #

The lock will indicate a valid code change with a double signal
The lock will indicate an invalid code chage with a triple signal and the old code is still valid.

Setting single user and dual user mode
Always perform this operation with the door open
Setting single user mode (any code to unlock)

Enter: # - Master Code - # - 0 - # - 0 - #
The lock will indicate a valid setting change with a double signal

Setting dual user mode (any code & any code to unlock)

Enter: # - Master Code - # - 1 - # - 1 - #
The lock will indicate a valid setting change with a double signal

Setting Dual user mode (master or manager code & user code to unlock

Enter: # - Master Code - # - 2 - # - 2 - #
The lock will indicate a valid setting change with a double signal

Please see the "How to open your safe" section for unlocking in dual user mode

Setting time delay
Always perform this operation with the door open
This function will delay the opening and programming of the safe

Enter: # - Master Code - # - (01-99) - # - (01-99) - #
The lock will indicate a valid setting change with a double signal.
Example: # - Master Code - # - 05 - #, this will set a five (5) minute time delay.

Operating the lock when time delay is set

Press * or # to initiate the Time Delay
The lock will signal once every ten (10) seconds during time delay and will signal every second during the last ten (10) seconds of the time delay.
The lock will signal twice and beep once every ten (10) seconds during hte open period. The open period length is two (2) minutes.
During the open period you will need to enter your code.

De-activate time delay

Enter: # - Master Code - # - 00 - # - 00 - #
The lock will indicate a valid setting change with a double signal.

Low Battery Warnings

The green LED light will signal in red when opening your safe.
The lock is giving you a valid signal but is not unlocking.

Changing your batteries

Always perform this operation with the door open, unless the keypad is dead.

Turn the keypad housing counter clockwise and carefully pull away from the mounting plate to expose battery compartment.
Remove the four AAA Alkaline batteries and replace.
Caution: Hold onto battery terminal to avoid pulling wires out of housing.
Carefully position the keypad into the inserts on the mounting plate and turn keypad clockwise. Ensure that there are no wires or cables trapped between the keypad and the inserts on the mounting plate. Pinced cables result in a short circuit.