| 摘要 |
PROBLEM TO BE SOLVED: To enable the sound volume of a game machine to be changed from outside and the sound volume of the game machine to be easily managed. SOLUTION: By operating a sound volume DOWN button 27 and a sound volume UP button 28, sound of a level corresponding to the operation quantity is output from speakers 21L/21R. When the sound level is out of a preset sound level output range, the sound volume level is adjusted so that the sound level is within the sound level output range. COPYRIGHT: (C)2008,JPO&INPIT
|
