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.
1 Answer from this member: If I am reading your model number correctly you have dip switches on your remotes and on the back of the opener. Your keyless entry is wired to a receiver that is also the wall switch for the garage door opener.If I am correct you remove the cover from the wall receiver and you should have a slide switch that is marked program and operate. Move the slide switch to program and enter the new 4 digit code. Answer from this member: If I am reading your model number correctly you have dip switches on your remotes and on the back of the opener. Your keyless entry is wired to a receiver that is also the wall switch for the garage door opener.