A dual mode architectural structure covering (100, 200) comprising: a covering drive shaft (130, 325); a covering coupled to rotate with rotation of the covering drive shaft (130, 325); a drive motor having a motor drive shaft; and a dual mode operation system (200, 300), the dual mode operation system including a bearing housing (206, 306), a slip clutch (213, 313), and a one-way bearing (250, 350); wherein: the bearing housing (206, 306) is coupled to rotate with the motor drive shaft; the slip clutch (213, 313) is coupled to selectively rotate with or slip with respect to the covering drive shaft (130, 325); and the one-way bearing (250, 313) is selectively rotatably coupled between the bearing housing (206, 306) and the slip clutch (213, 313) such that, with relative rotation of the bearing housing (206, 306) and the slip clutch (213, 313) in a first direction, the slip clutch (213, 313) and the bearing housing (206, 306) are rotatably coupled with each other so that the slip clutch and the bearing housing (206, 306) rotate together, and, with relative rotation of the bearing housing (206, 306) and the slip clutch (213, 313) in a second direction opposite to said first direction, the slip clutch (213, 313) and the bearing housing (206, 306) are freely rotatable with respect to each other so that the slip clutch (213, 313) and the housing (206, 306) are rotatable with respect to each other. a covering drive shaft (130, 325); a covering coupled to rotate with rotation of the covering drive shaft (130, 325); a drive motor having a motor drive shaft; and a dual mode operation system (200, 300), the dual mode operation system including a bearing housing (206, 306), a slip clutch (213, 313), and a one-way bearing (250, 350); wherein: the bearing housing (206, 306) is coupled to rotate with the motor drive shaft; the slip clutch (213, 313) is coupled to selectively rotate with or slip with respect to the covering drive shaft (130, 325); and the one-way bearing (250, 313) is selectively rotatably coupled between the bearing housing (206, 306) and the slip clutch (213, 313) such that, with relative rotation of the bearing housing (206, 306) and the slip clutch (213, 313) in a first direction, the slip clutch (213, 313) and the bearing housing (206, 306) are rotatably coupled with each other so that the slip clutch and the bearing housing (206, 306) rotate together, and, with relative rotation of the bearing housing (206, 306) and the slip clutch (213, 313) in a second direction opposite to said first direction, the slip clutch (213, 313) and the bearing housing (206, 306) are freely rotatable with respect to each other so that the slip clutch (213, 313) and the housing (206, 306) are rotatable with respect to each other. the bearing housing (206, 306) is coupled to rotate with the motor drive shaft; the slip clutch (213, 313) is coupled to selectively rotate with or slip with respect to the covering drive shaft (130, 325); and the one-way bearing (250, 313) is selectively rotatably coupled between the bearing housing (206, 306) and the slip clutch (213, 313) such that, with relative rotation of the bearing housing (206, 306) and the slip clutch (213, 313) in a first direction, the slip clutch (213, 313) and the bearing housing (206, 306) are rotatably coupled with each other so that the slip clutch and the bearing housing (206, 306) rotate together, and, with relative rotation of the bearing housing (206, 306) and the slip clutch (213, 313) in a second direction opposite to said first direction, the slip clutch (213, 313) and the bearing housing (206, 306) are freely rotatable with respect to each other so that the slip clutch (213, 313) and the housing (206, 306) are rotatable with respect to each other.