| 摘要 |
<p>PROBLEM TO BE SOLVED: To make the tuning operation of respective musical instruments and the handling operation of a multitrack recorder easier and simpler by building a tuner into the multitrack recorder itself. SOLUTION: The tuner is built into the multitrack recorder. Namely, the multitrack recorder is composed of a selection switch 1, a reference frequency transmitter 2, an operating element 3 including a touch panel, a waveform shaping circuit 4, a CPU 5 and a liquid crystal display 6. When the input push button mounted at the multitrack recorder having such constitution is operated to be pushed, an input assignment screen is displayed on the liquid crystal display 6 and a tuner selection section is displayed in the state of enclosing the Tuner at four corners. When the tuner selection section is touched by pressing, the liquid crystal display 6 is changed over from the input assignment screen to the tuner screen. The input to be tuned can be selected by pressing and touching the input selection section formed on the tuner screen.</p> |
