Ricoh D067, Service Manual

Page: 614 / 676

NCU Parameters
SM Appendix 7-75 D067/D068/D069/D072
Appe
ndix:
Fax Service
Progra
m
Address Function
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)
680535
International dial tone frequency
upper limit (low byte)
Hz (BCD)
If both addresses
contain FF(H), tone
detection is disabled.
680536
International dial tone frequency
lower limit (high byte)
680537
International dial tone frequency
lower limit (low byte)
Hz (BCD)
If both addresses
contain FF(H), tone
detection is disabled.
680538
International dial tone detection
time
680539
International dial tone reset time
(LOW)
68053A
International dial tone reset time
(HIGH)
68053B
International dial tone continuous
tone time
68053C
International dial tone permissible
drop time
20 ms
If 680538 contains FF,
the machine pauses for
the pause time (68053D
/ 68053E).
Belgium: See Note 2.