Mighty Mule FM500 Blue Board - Manual (Page 31)

Turn the “STALL FORCE” arrow in the center of the potentiom-
eter with small flat head screwdriver. Adjust the sensitivity from the
MINIMUM position up to the point where the gate operates without
obstructing from its own weight or the wind conditions in your area. Turn the “AUTO CLOSE TIME” arrow in the center of the potenti-
ometer with small flat head screwdriver. Turning the pot all the way
counter-clockwise will turn the auto close feature off. The minimum
auto close time is 3 seconds.The maximum (turn the pot all the way
clockwise) auto close time is 120 seconds.
15
1 2 3 4
ON
S
TA
T
U
S
LE
A
R
N
R
M
T
LE
A
R
N
M
A
S
T
L
IM
IT
LE
A
R
N
S
LV
L
IM
IT
S
O
FT
S
TA
R
T
O
FF
W
A
R
N
IN
G
O
FF
O
P
E
N
P
U
LL
S
LV
O
P
E
N
D
LY
.
M
O
D
E
1
O
FF
M
O
D
E
2
O
FF
O
N
O
N
P
U
S
H
S
IM
U
LT
.
O
N
O
N
1
2
0
M
IN
M
A
X
A
UT
O CL
OSE
TIME
ST
ALL FOR
CE
1
15
1 2 3 4
O
FF
S
O
FT
S
TA
R
T
O
FF
W
A
R
N
IN
G
O
FF
O
P
E
N
P
U
LL
S
LV
O
P
E
N
D
LY
.
M
O
D
E
1
O
FF
M
O
D
E
2
O
FF
1
2
0
M
IN
A
UT
O CL
OSE
TIME
ST
ALL FOR
CE
2
IMPORTANT: For safety reasons the obstructions setting or Stall Force on the Mighty Mule®
control board comes from the factory set at MIN (minimum). In many installations this setting
will need to be adjusted to overcome the weight and size of the gates.
ALWAYS KEEP SAFETY AT THE TOP OF YOUR LIST WHEN ADJUSTING OR SERVICING YOUR
AUTOMATIC GATE OPENER
28
Control Box Settings
Setting Obstruction Stall Force & Auto Close Time
Setting Personal Transmitter Code
Remove back cover of the opener remote. Flip opener remote over. Use small screwdriver to move switch-
es to random positions. If you have more than one transmitter,
now is a good time to set them all with the same code.
1
1 2 3 4 5 6 7 8 9
2
All GTO transmitters are set to a standard code at the factory and are ready to operate your GTO PRO® Gate Opener ® .
For your safety and security, however, we strongly recommend that you replace the factory setting with your own personal code.
Follow the directions below: