| 摘要 |
PURPOSE:To use both a timer function and a tuning function by providing a display board which has a pitch name display and a pitch display for tuning operation using an hour hand and a minute hand used for timer operation. CONSTITUTION:The display board 13 operates selectively in tuning operation mode or timer operation mode and has a 1st display element SD which displays the pitch name of a musical sound in the tuning operation mode and hour hand time in the timer operation mode and a 2nd display element LD which displays the pitch of the musical sound in the tuning operation mode and displays minute hand time in the timer operation mode. The display element DS display 12 time data, i.e. 12, 1 to 11 of the clock as the hour hand time in the time opera tion mode and also displays 12 itch names C, C to B in the tuning mode. The display element LD displays minute time from 1 minute to 60 minutes and also displays the pitch of the musical sound in the tuning mode. |
