| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a game machine including sound volume setting means formed on both front and rear surfaces thereof, configured to prevent a situation where a player cannot hear the broadcast in a parlor. <P>SOLUTION: The sound volume setting means includes: a first sound volume setting means 46 that is provided on the back of the game machine and cannot be operated by a player during a game; and a second sound volume setting means 25 that is provided on the front of the game machine and can be operated by the player during a game. A performance control unit includes a function of controlling output sound volume of a speaker on the basis of settings configured by the sound volume setting means. In setting sound volume by the second sound volume setting means, the sound volume set by the first sound volume setting means is set to the upper limit of sound volume that can be set by the second sound volume setting means, and sound volume not more than the upper limit can be set. When an abnormal condition is detected, warning sound is output from a speaker regardless of frame update timing. When elimination of the abnormal condition is detected, the warning sound is stopped in synchronization with the frame update. <P>COPYRIGHT: (C)2013,JPO&INPIT |
