| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an informing means having a function to automatically change the sound volume of a buzzer in accordance with ambient noise, a function to enable a user to set the sound volume of the buzzer, a function to automatically change the brightness of an LED in accordance with ambient brightness and a function to enable the user to set the brightness of the LED, and satisfying the user. <P>SOLUTION: The printer system has a buzzer sound volume input means for setting the sound volume of the buzzer, an LED brightness input means for setting the brightness of the LED, an LED automatic adjustment input means for selecting the automatic adjustment of the brightness of the LED, a buzzer automatic adjustment input means for selecting the automatic adjustment of the sound volume of the buzzer, an LED instruction means for designating the brightness, a buzzer sounding means for designating the sound volume, an LED display means, a buzzer sounding means, a brightness detecting means for detecting the ambient brightness and a noise detecting means for detecting the ambient noise. <P>COPYRIGHT: (C)2004,JPO |
