Ricoh LANIER MP 301SP, Service Manual

Page: 525 / 553

NCU Parameters
SM Appendix 5-73 D127/D128
A
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Fa
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T
rou
ble
-
S
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Gu
ide
Address Function Unit Remarks
68052A Busy tone ON time: range 1
20 ms
-
68052B Busy tone OFF time: range 1
68052C Busy tone ON time: range 2
68052D Busy tone OFF time: range 2
68052E Busy tone ON time: range 3
68052F Busy tone OFF time: range 3
20 ms
680530 Busy tone ON time: range 4
680531 Busy tone OFF time: range 4
680532
Busy tone continuous tone
detection time
680533
Busy tone signal state time tolerance for all ranges, and number of cycles
required for detection (a setting of 4 cycles means that ON-OFF-ON or
OFF-ON-OFF must be detected twice).
Tolerance (±)
Bit 1: 0, Bit 0: 0 = 75% Bits 2 and 3 must always be kept at 0.
Bit 1: 0, Bit 0: 0 = 50% Bits 2 and 3 must always be kept at 0.
Bit 1: 0, Bit 0: 0 = 25%
Bit 1: 0, Bit 0: 0 = 12.5%
Bits 7, 6, 5, 4 - number of cycles required for cadence detection
680534
International dial tone frequency
upper limit (high byte)
Hz (BCD)
If both addresses
contain FF(H), tone
detection is disabled.
680535
International dial tone frequency
upper limit (low byte)
680536
International dial tone frequency
lower limit (high byte)
Hz (BCD)
If both addresses
contain FF(H), tone
detection is disabled.
680537
International dial tone frequency
lower limit (low byte)
680538
International dial tone detection
time
20 ms
If 680538 contains FF,
the machine pauses for