A rotary-releasing device for a power supply having two rotary arms arranged on one side thereof, and each rotary arm being coupled with the power supply by an axle end. The resist layer is developed to form a first pattern. In such aspects, the player may be located in a hotel guest room, the hotel guest room may include a video display coupled with the data network, and one or more buttons of a remote control device associated with said video display may be configured to control said player’s remote participation in the casino gaming activity. A printing head is disposed in the box body. A control command value-computing section drivingly controls the drive section such that an amount of deviation between the tracking target and an image pickup direction of the tracking image pickup device is reduced.