Mighty Mule FM137 User Manual

25 code gto digital keypad, Keypad features

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Thank you for purchasing the GTO Digital Keypad. Be sure to read the directions carefully

and completely. Before permanently mounting the keypad, please program the keypad and test

its range.

IMPORTANT: Your keypad may need to be hard wired due to the fact that it must accept

interference according to FCC regulations listed below. For example, applications

that are relativity close to cell towers or airports may receive intermittent interference and

require hard-wiring.

The GTO Digital Keypad is a multipurpose keypad that can work with other applications in

addition to GTO gate openers and locks. As a wireless keypad it can be used with any gate or

garage door opener and must be used in conjunction with the GTO garage door receiver kit

(part # RB709U-NB).

SAFETY NOTE: Never install the keypad where a person can reach through the gate to activate

it, or where a person can touch the gate while activating the keypad. The recommended mini-

mum distance between the gate and keypad is 10 ft.

25 Code GTO Digital Keypad

Instructions for Wired and Wireless Installations (FM137-G3 only)

Limited One Year Warranty

Gate That Open, LLC (GTO) gate opener accessories are warranted by the manufacturer against defects in workmanship for a period of one (1) year from

the date of purchase, provided recommended installation procedures have been followed.
In the case of product failure due to defective material or manufacturer workmanship within the one (1) year warranty period, the accessory will be

repaired or replaced (at the manufacturer’s option) at no charge to the customer, if returned freight prepaid to GTO, 3121 Hartsfield Rd., Tallahassee,

FL 32303. IMPORTANT: Call 850/575-4144 or fax 850/575-8950 for a Return Goods Authorization (RGA) number before returning goods to factory.

Products received at the factory without an RGA will not be accepted. Replacement or repaired parts are covered by this warranty for the remainder of

the one (1) year warranty period or six (6) months, whichever is greater. GTO will pay the shipping charges for return to the owner of items repaired.
The manufacturer will not be responsible for any charges or damages incurred in the removal of the defective parts for repair, or for the reinstallation

of those parts after repair. This warranty shall be considered void if damage to the product(s) was due to improper installation or use, connection to an

improper power source, tampering, or if damage was caused by electrical power surge or lightning, wind, fire, flood, insects, or other natural agent.
After the one (1) year warranty period, GTO or one of its authorized service centers will make any necessary repairs for a nominal fee. Call GTO at

850/575-4144 for more information. This warranty gives you specific legal rights, and you may also have other rights which may vary from state to state.

This warranty is in lieu of all other warranties, expressed or implied. NOTE: Verification of the warranty period requires copies of receipts or other proof

of purchase. Please retain these for your records.

©2012 Gates That Open, LLC

rev - 09.30.13 • Printed in China

FCC WARNING: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void

the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the

FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.

This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instruc-

tions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in particular installations. If this equipment does cause harmful in-

terference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to

try to correct the interference by one or more of the following measures: • Reorient or replace the receiver antenna. • Increase the

separation between the equipment and the receiver. • Connect the equipment into an outlet on a circuit different from that to which

the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help.

Keypad Features


• The keypad illuminates and beeps at the press of any key.

• When a valid code is entered, the STATUS light will blink rapidly.

• The keypad remains active for 40 seconds after entering a valid code: pressing any key on the keypad while the gate is

in motion will stop the gate; pressing any key while the gate is stopped will cause the gate to reverse direction. After 40

seconds, the keypad will beep 3 three times and go into “idle” mode.

tone will sound for 1 second, and the keypad will go into “lock-down” mode for 40 seconds.

• If more than 10 seconds elapse between key presses, the keypad will beep 3 three times and go into “idle” mode.

Master and Entry Codes

• Up to 25 Entry Codes may be programmed into the keypad.

• Temporary Entry Codes can be programmed to expire within one to seven (1–7) days.

• Entry Codes remain stored in memory even when the keypad batteries go dead.

• All Entry Codes are deleted by pressing the RESET button on the keypad; Master Code defaults to “1234.”