Ricoh FAX2000L Service Manual page 107

NCU PARAMETERS
Address
807F33 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
Bits 7, 6, 5, 4 - number of cycles required for cadence detection
807F34 International dial tone frequency
upper limit (high byte)
807F35 International dial tone frequency
upper limit (low byte)
807F36 International dial tone frequency
lower limit (high byte)
807F37 International dial tone frequency
lower limit (low byte)
807F38 International dial tone detection
time
807F39 International dial tone reset time
(low)
807F3A International dial tone reset time
(high)
807F3B International dial tone continuous
tone time
807F3C International dial tone permissible
drop time
807F3D International dial wait interval (low)
807F3E International dial wait interval (high)
Country dial tone upper frequency
807F3F
limit (high)
807F40 Country dial tone upper frequency
limit (low)
807F41 Country dial tone lower frequency
limit (high)
807F42 Country dial tone lower frequency
limit (low)
807F43 Country dial tone detection time
807F44 Country dial tone reset time (low)
807F45 Country dial tone reset time (high)
807F46 Country dial tone continuous tone
time
807F47 Country dial tone permissible drop
time
807F48 Country dial wait interval (low)
Function
1 0
0 0 75%
0 1 50%
1 0 25%
1 1 12.5%
Unit
Bits 2 and 3 must always
be kept at 0.
Hz If both addresses contain
(BCD) FF(H), tone detection is
disabled.
Hz If both addresses contain
(BCD) FF(H), tone detection is
disabled.
20 ms If 807F38 contains FF, the
machine pauses for the
pause time (807F3D /
807F3E).
See Note 3 (Belgium).
Hz If both addresses contain
(BCD) FF(H), tone detection is
disabled.
If both addresses contain
FF(H), tone detection is
disabled.
20 ms If 807F43 contains FF, the
machine pauses for the
pause time (807F48 /
807F49).
4-40
30 November, 1999
Remarks