Mighty Mule FM137, Instructions Manual

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6
Wireless Installation of the Keypad
NOTE:
For wireless applications, the distance from the keypad to the opener’s receiver should not exceed 50 ft . Always test the
keypad range before permanently mounting it .
Learning an FM137 to an MM371, MM372, MM571 or MM572
Automatic Gate Opener
1 . With the power on for your control box, press and hold the
gate opener's middle orange (S3) button ( ) located on the
control board until you hear a beep, then release it .
2 . Next, enter the master code or an entry code, but continue
pressing the last digit until the control board beeps again . Any
programmed code will work .
a .
Example: Press 1, 2, 3, and then hold down 4 until the
control board beeps .
3 . Test the keypad code by pressing any single digit if the
keypad has not yet timed out .
NOTE:
If you hear three short beeps in succession, the
programming mode has timed out and you will need to repeat
steps 1 and 2 .
To forget the FM137, simply follow steps 1 and 2 above then test
the keypad to verify that it no longer activates the Operator .
Learning an FM137 to an MM271 or MM272 Automatic Gate Opener
(A dip-switch type transmitter may be required)
1 . Use the On/Off switch on the control box to power the system down .
2 . Enter the master code or an entry code but continue pressing the last digit . Any programmed code will work .
a .
Example:
Press 1, 2, 3, and then hold down 4 .
3 . While still holding the last digit of the code, power the system on with the on/off switch .
4 . After the startup beep, there will be a long silence for about 10 seconds, followed by a continuous beep . Keep holding the last
digit of the code on the keypad .
5 . Release the button on the keypad .
6 . Test the keypad code by pressing any single digit if the keypad has not yet timed out .
To forget the FM137, simply follow steps 1 through 5 above then test the keypad to verify that it no longer activates the Operator .
Note for MM271:
The gate must be in the closed position with the arm extended to delete a PIN code . The gate can be in any
position to add a PIN code .
If programming fails on an MM271/MM272: You must use a dip-switch type transmitter (FM134/FM135, MM3BT, RB741/
RB742) to program the keypad . Simply match the dip-switch patterns between the transmitter and FM137 then learn the
transmitter to the system . Contact Tech Support for a complimentary dip-switch type transmitter to program the FM137 if you do
not have one .
S4
S3
S2
LED1
LED2
LED3