Ricoh FAX180 Service Manual page 71

SERVICE TABLES AND PROCEDURES
NCU PARAMETERS
Address
Bits 0 and 1 - Handset off-hook detection time
Bit 1
0
0
Other
807F82
Bits 2 and 3 - Handset on-hook detection time
(006782)
Bit 3
0
0
Other
Bits 4 to 7 - Not used
807FA1 Acceptable CED detection range
(high byte)
(0067A1)
807FA2 Acceptable CED detection range
(low byte)
(0067A2)
807FA3 Not used
(0067A3)
807FA4
(0067A4)
CED detection time
807FA5
(0067A5)
807FA6 Not used
(0067A6)
807FA7
(0067A7)
807FA8
(0067A8)
807FA9
(0067A9)
CNG detection time
807FAA
(0067AA)
807FAB CNG on time
(0067AB)
807FAC CNG off time
(0067AC)
Number of CNG cycles required
807FAD for detection
(0067AD)
Function
0 Setting
0 200 ms
1 800 ms
Not used
2 Setting
0 200 ms
1 800 ms
Not used
4-40
August 7th, 1995
Unit Remarks
BCD (Hz) See Note 2.
Do not change the factory
setting.
20 ms Factory setting: 200 ms
± 20 ms
Do not change the factory
setting.
20 ms Factory setting: 200 ms
± 20 ms
20 ms Factory setting: 500 ms
20 ms Factory setting: 200 ms
The data is coded in the
same way as address
807F33 (BRO:006733).
Factory setting: 23[H]