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A55/C55_Hitachi Company Confidential © Copyright Siemens AG 04/03
10 Keyboard
The keyboard is connected via the lines KB0 – KB9 with the EGOLD+.
KB 7 is used for the ON/OFF switch. The lines KB0 – KB5 are used as output signals.
In the matrix KB6, KB8 and KB9 are used as input signals for the EGOLD+.
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