| 摘要 |
PURPOSE:To improve the operability at the time of setting to the number of user's desired tempos, by presetting a specific tempo number to a tempo number register, when an up-switch and a down-switch are operated simultaneously. CONSTITUTION:A tempo number register constituted of decimal up-down counters 16-18 is set from '240' to '30', and from '30' to '240', at the operating time of up switch and at the operating time of down switch, respectively. That is to say, the counting of the number of tempos is repeated cyclically at the operating time of up and down surfaces. At the time of simultaneous pushing an up-switch 1 and a down-switch 2, the tempo is set instantaneously to '120'. Accordingly, the operability at the time of setting to the number of user's desired tempos is improved.
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