{HEAD ~ A motorized shade control system} includes {TAIL ~ electronic drive units} having programmable control units directing a motor to move an associated shade in response to command signals directed to the control units from wall mounted keypad controllers or from alternate devices or control systems connected to a contact closure interface  
includes
{ HEAD ~ A motorized shade control system } includes { TAIL ~ electronic drive units } having programmable control units directing a motor to move an associated shade in response to command signals directed to the control units from wall mounted keypad controllers or from alternate devices or control systems connected to a contact closure interface
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