6, 1-4-way point.5-5-way interlock: the receiver above the black jump cap inserted in the B + L and C + L two pins can be. key is on, and all other keys are off! 7, 1-2-way point action, 3-6-way self-locking, 7-8-way interlocking: the receiver above the black jump cap inserted in the A + L and C + L two pins can be.
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