Ricoh B022, Service Manual, Page: 689 / 878

F
ax Un
it
B418
NCU PARAMETERS
SM 3-67 B418
Address Function Unit Remarks
680543 Country dial tone detection time
680544 Country dial tone reset time (LOW)
680545 Country dial tone reset time (HIGH)
If 680543 contains FF,
the machine pauses for
the pause time (680548 /
680549).
680546 Country dial tone continuous tone
time
680547 Country dial tone permissible drop
time
680548 Country dial wait interval (LOW)
680549 Country dial wait interval (HIGH)
20 ms
68054A Time between opening or closing the
DO relay and opening the OHDI
relay 1 ms See Notes 3, 6 and 8.
SP2-103-012 (parameter
11).
68054B Break time for pulse dialing 1 ms See Note 3.
SP2-103-013 (parameter
12).
68054C Make time for pulse dialing 1 ms See Note 3.
SP2-103-014 (parameter
13).
68054D Time between final OHDI relay
closure and DO relay opening or
closing 1 ms See Notes 3, 6 and 8.
SP2-103-015 (parameter
14).
This parameter is only
valid in Europe.
68054E Minimum pause between dialed
digits (pulse dial mode) See Note 3 and 8. SP2-
103-016 (parameter 15).
68054F Time waited when a pause is
entered at the operation panel
20 ms
SP2-103-017 (parameter
16). See Note 3.
680550 DTMF tone on time SP2-103-018 (parameter
17).
680551 DTMF tone off time
1 ms
SP2-103-019 (parameter
18).
680552 Tone attenuation level of DTMF
signals while dialing -N x 0.5 –3.5
dBm SP2-103-020 (parameter
19).
See Note 5.
680553 Tone attenuation value difference
between high frequency tone and
low frequency tone in DTMF signals -dBm x 0.5 SP2-103-021 (parameter
20).
The setting must be less
than –5dBm, and should
not exceed the setting at
680552h above.
See Note 5.
680554 PSTN: DTMF tone attenuation level
after dialling -N x 0.5 –3.5
dBm SP2-103-022 (parameter
21). See Note 5.
680555 ISDN: DTMF tone attenuation level
after dialling -dBm x 0.5 See Note 5
680556 Not used Do not change the
settings.