| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To achieve quick adjustment to a reading confirmation sound suitable for a peripheral noise level. <P>SOLUTION: This bar code reader 100 for ringing a confirmation sound from a speaker 103 when reading a bar code attached to an article is provided with a volume change button 105 for accepting the volume change request of the confirmation sound from an operator, and for changing a volume setting value corresponding to a volume, and for ringing a ringing sound whose volume is based on the changed volume setting value and a tone change button 106 installed so as to be operable independently of the volume change button 105 for accepting the tone change request of the confirmation sound from the operator, and for changing a tone setting value corresponding to a tone, and for ringing a ringing sound whose tone is based on the changed tone setting value. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
