1 The second rectangle has a length of 16 centimeter (6.3 in) and a width of 8 centimeter (3.1 in). 2  Find the linear scale factor between the two shapes. 3  The length of the smaller rectangle corresponds to the length of the larger rectangle. 4  The length of the smaller rectangle equals 4 centimeter (1.6 in).
Reset the Keypad. The Smart or Learn button on the motorized unit attached to the garage ceiling resets the keypad and the control unit that operate the garage door opener's motor. You'll need to enter a new code into the keypad to make it operational again and reprogram the control unit.o verify that the reset took, enter the old PIN code into the keypad to see if it opens the garage door. If it does, the reset didn't take. Repeat the step to reset the keypad and verify the old code doesn't work before proceeding.
(Please note that this process requires two people if the keyless entry keypad is already mounted outside the garage.) Enter a four digit personal identification number (PIN) of your choice on the keypad.Then press and hold ENTER. While holding the ENTER button, press and hold the LIGHT button on the keypad.Next, continue holding ENTER and LIGHT buttons while you press the push bar on the keypad (all three buttons are held). You may release the buttons when the overhead opener unit's lights blink.Please note that this process requires two people if the keyless entry keypad is already mounted outside the garage.) Enter a four digit personal identification number (PIN) of your choice on the keypad.