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How do I change the keypad code for my Linear garage door operator?

The Linear series of garage door operators uses the model MDTK keypad, part number DNT00058. This keypad has no memory, and acts only as a transmitter.

In order to change the keypad code, you must erase the memory in the LDO/LSO/LCO. If you will look at the upper right hand corner of the left hand side of the LDO/LSO/LCO, you will see the learn button. Simply press and hold this button for 10 seconds or more. When you release the learn button, the red LED above the button will blink 3 times and then come on bright for 15 seconds. When the LED goes out, the memory in the operator is erased. To learn in a new keypad code, press and release the learn button. The LED will come on for 15 seconds. While the LED is on, go to your keypad and enter your desired code (1 to 6 digits long) and press start/stop on the keypad. The LED will blink to indicate receipt of the new code. You will also have to reenter all of your hand held remotes into the memory.

Again, simply press and release the learn button. When the LED comes on, press the button on the remote you wish to use. Repeat for any additional remotes. If you hold the learn button down for 10 seconds or more, you will have to start over, since the memory will be erased again.

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