Ricoh D009 Service Manual page 978

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NCU Parameters

and Di closing

Tone signals which frequency is lower than 1500Hz (e.g., 800Hz tone for AI short

protocol) refer to the setting at 6805B5h. Tones which frequency is higher than 1500Hz

refer to the setting at 6805B6h.

68054A, 68054D, 68054E: The actual inter-digit pause (pulse dial mode) is the sum of

the period specified by the RAM addresses 68054A, 68054D, and 68054E.

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D011 D012 D013