Ricoh A250 Service Manual page 517

Address
68041B PABX dial tone detection time
68041C PABX dial tone reset time (LOW)
68041D PABX dial tone reset time (HIGH)
68041E PABX dial tone continuous tone
time
68041F PABX dial tone permissible drop
time
680420 PABX wait interval (HIGH)
680421 PABX wait interval (LOW)
680422 PABX ringback tone detection time
680423 PABX ringback tone off detection
time
680424 PABX detection time for silent
period after ringback tone detected
(LOW)
680425 PABX detection time for silent
period after ringback tone detected
(HIGH)
680426 PABX busy tone frequency upper
limit (high byte)
PABX busy tone frequency upper
680427
limit (low byte)
680428 PABX busy tone frequency lower
limit (high byte)
680429 PABX busy tone frequency lower
limit (low byte)
68042A Busy tone ON time: range 1
68042B Busy tone OFF time: range 1
68042C Busy tone ON time: range 2
68042D Busy tone OFF time: range 2
68042E Busy tone ON time: range 3
68042F Busy tone OFF time: range 3
680430 Busy tone ON time: range 4
680431 Busy tone OFF time: range 4
680432 Busy tone continuous tone
detection time
SM
Function
4-55
NCU PARAMETERS
Unit Remarks
20 ms If 68041B contains FF,
the machine pauses for
the pause time (680420
/ 680421).
20 ms If both addresses
contain FF(H), tone
20 ms
detection is disabled.
20 ms If both addresses
contain FF(H), tone
detection is disabled.
20 ms
Hz (BCD) If both addresses
contain FF(H), tone
detection is disabled.
Hz (BCD) If both addresses
contain FF(H), tone
detection is disabled.
20 ms
A250