Ricoh Aficio MP C3001 Service Manual page 1963

5. The calculated level must be between 0 and 10.
The attenuation levels calculated from RAM data are:
High frequency tone:
– 0.5 x N /
680552 680554
– 0.5 x N dBm
680555
Low frequency tone:
– 0.5 x (N /
680552 680554
– 0.5 x (N + N
680555
N , for example, means the value stored in address 680552(H)
680552
6. 68054A: Europe - Between Ds opening and Di opening, France - Between Ds closing
and Di opening
68054D: Europe - Between Ds closing and Di closing, France - Between Ds opening and
Di closing
7. 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.
8. 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.
SM
–3.5 dBm
+ N ) –3.5 dBm
680553
) dBm
680553
159
NCU Parameters
D545