| 摘要 |
PURPOSE:To prevent useless noise due to the operation error, by operating an informing section only when an error indicated by a command input means is generated. CONSTITUTION:A speaker control switch section 18 is set with a command, in selecting and giving a command to the content of errors to activate a speaker 15 with a selecting button 4 of a keyboard 4. When an error takes place, a display parameter and a speaker data are extracted from a parameter data section 17 with the start of an error processing section 12, and the display parameter is displayed on a display 3 for alarm, and the energizing of speaker is inhibited for the speaker data when the error is set as without alarming at the selecting and indicating set of the speaker control switch section 18, and the speaker 15 is not energized. Thus, only alarm display of the display 3 is attained in this case. |
