An interior lighting display device and a display panel thereof capable of effectively preventing a dark area from being formed in the display panel. A virtual reality manager receives hand position data for at least one hand of a user from a hand system. Subsequently, single fuel injection may be resumed. The relative movement between the fastener feeding track and the power actuated gun is utilized to activate a control mechanism to perform various functions on the power actuated gun, such as to advance a charge or to push a trigger firing the power actuated gun.