Ricoh B264 Service Manual page 840

NCU PARAMETERS
Address
68052F Busy tone OFF time: range 3
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
0
1
1
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)
680536 International dial tone frequency
lower limit (high byte)
680537
International dial tone frequency
lower limit (low byte)
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
68053D International dial wait interval (LOW)
68053E International dial wait interval (HIGH)
68053F Country dial tone upper frequency
limit (HIGH)
680540
Country dial tone upper frequency
limit (LOW)
680541 Country dial tone lower frequency
limit (HIGH)
680542 Country dial tone lower frequency
limit (LOW)
680543 Country dial tone detection time
680544 Country dial tone reset time (LOW)
680545 Country dial tone reset time (HIGH)
680546
Country dial tone continuous tone
time
B779
Function
0
0 75% Bits 2 and 3 must always
1 50% be kept at 0.
0 25%
1 12.5%
Unit
20 ms
Hz (BCD)
Hz (BCD)
20 ms
Hz (BCD)
20 ms
88
Remarks
If both addresses contain
FF(H), tone detection is
disabled.
If both addresses contain
FF(H), tone detection is
disabled.
If 680538 contains FF,
the machine pauses for
the pause time (68053D /
68053E).
Belgium: See Note 2.
If both addresses contain
FF(H), tone detection is
disabled.
If both addresses contain
FF(H), tone detection is
disabled.
If 680543 contains FF,
the machine pauses for
the pause time (680548 /
680549).
SM