Hi fellow Maddog drivers!  I am having trouble getting the auto brakes to arm.  I switch the knob to land MED for example, and click the arm/disarm switch and all it does is switch up then back down.  I will not set in the arm position.  What am I doing wrong?  I am sure I have simply missed a step here.

You need to have set flaps to 28 degrees or more iirc

That's what it was, thank you!