Mighty Mule FM137 - Manual (Page 2)

Wired Installation of the Keypad
NOTE: If you also plan to power the keypad with the gate opener’s power source, run two pairs
of wires as described below. One pair to hard-wire the keypad and the other pair to connect the
keypad to the gate opener’s battery.
Step 1: Turn the gate opener’s power switch OFF. Use 16 gauge, stranded, direct burial low
voltage wire (part no. RB509) to connect the keypad to the opener control board. Run wire
through PVC pipe from the ground to keypad and from the ground to the opener control board
to protect the wire from lawn mowers or grazing animals.
Determine how the wire will enter the keypad (i.e. from the back through a hole drilled in the
mounting post or running the wire on the surface of the post). Remove the small rectangular
knock-out on the back of the keypad cover and pull the wire into the cover. Then mount the
cover to the post using the screws provided.
Keypad Description
Installing Batteries
NOTE: 3 AA batteries are required to power the keypad unless an external
power supply such as the gate openers power source is used. Low voltage
wire from the external power source must be connected to the POWER IN
terminals on the keypad control board, if batteries are not installed.
Step 1: Remove the two screws from the bottom of the keypad and sepa-
rate the keypad from its housing.
Step 2: Install 3 AA batteries (not included).
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STATUS Light:
This led will blink once when
any key is pressed and provides
visual feedback during access
code programming.
PROGRAM button:
Used to program access codes.
Keypad - Front
Battery Holder:
Use 3 AA batteries if hard-wired power supply
is not used. If external power source is used the
3 AA batteries will provide a back-up power
source.
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RESET button:
Pressing this button for 2 seconds will
reprogram key pad to factory settings. All
codes are deleted. Default master code is 1234.
DIP Switches:
Match these switches to your remote
transmitter to program the keypad.
Relay output:
Used to connect Keypad to gate opener in
hard-wired applications.
Power Input:
Used to connect power supply (8-24 Vac/dc)
when using outside power source.
Keypad - Inside
Knock-out
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 key-
pad range before permanently mounting it.
Step 1: Mount the keypad cover using the screws provided. Set the keypad
DIP switches to match your entry transmitter’s DIP switch settings.
NOTE: If you have not changed your open-
er’s transmitter code from the factory setting,
see the “Setting Your Personal Transmitter
Code” section in the gate openers manual
then set the keypad DIP switches to match the
new transmitter DIP switch setting.
Step 2: Slide the keypad into the cover and secure with the small screws
provided.
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ABC
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DEF
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GHI
5
JKL
6
MNO
7
PRS
8
TUV
9
WXY
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