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* Flash Time selectable on the keyboard (100, 303, 604 mS) Hands-Free and Hold functions Tone/Pulse .
Pin No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Symbol R5 R1 R2 R3 R4 HS M/B MDS/DRS OSCI OSCO C5 HDO VDD VSS TONE X’MUTE DP C1 C2 C3 C4 HFO O Hands-free control output I Column key input I I I I O I O S S O O O Hook switch Make/Break.
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