| 摘要 |
Herein disclosed is a keyboard apparatus which comprises a plurality of keys each including a key holder, a scan board operative to input a key holder signal of each of the key-pushed actions of the keys, a memory for memorizing a key code relevant to the key holder, a plurality of numerical keys each having a key code inputted therein and outputting a key code signal indicative of the key-pushed actions of the numerical keys, a CPU having the key holder signal and the key code signal inputted therein, and state setting means for selectively setting two operation states respectively having the key holder signal and the key code signal outputted from the CPU.
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