Ricoh Aficio 270 - Page 674

NCU PARAMETERS
SM 4-75 A265/A267
Service
Tables
A895
Address Function Unit Remarks
6804A1
Acceptable CED detection
frequency upper limit (high byte)
6804A2 Acceptable CED detection
frequency upper limit (low byte)
BCD (Hz)
If both addresses
contain FF(H), tone
detection is disabled.
6804A3 Acceptable CED detection
frequency lower limit (high byte)
6804A4
Acceptable CED detection
frequency lower limit (low byte)
BCD (Hz) If both addresses
contain FF(H), tone
detection is disabled.
6804A5 CED detection time 20 ms
± 20 ms
Factory setting: 200 ms
6804A6
Acceptable CNG detection
frequency upper limit (high byte)
6804A7 Acceptable CNG detection
frequency upper limit (low byte)
BCD (Hz)
If both addresses
contain FF(H), tone
detection is disabled.
6804A8 Acceptable CNG detection
frequency lower limit (high byte)
6804A9
Acceptable CNG detection
frequency lower limit (low byte)
BCD (Hz) If both addresses
contain FF(H), tone
detection is disabled.
6804AA Not used Do not change the
setting.
6804AB CNG on time 20 ms Factory setting: 500 ms
6804AC CNG off time 20 ms Factory setting: 200 ms
6804AD Number of CNG cycles required for
detection
The data is coded in the
same way as address
680433.
6804AE Not used Do not change the
settings.
6804AF
Acceptable AI short protocol tone
(800Hz) detection frequency upper
limit (high byte)
6804B0 Acceptable AI short protocol tone
(800Hz) detection frequency upper
limit (low byte)
Hz (BCD)
If both addresses
contain FF(H), tone
detection is disabled.
6804B1 Acceptable AI short protocol tone
(800Hz) detection frequency lower
limit (high byte)
6804B2 Acceptable AI short protocol tone
(800Hz) detection frequency lower
limit (low byte)
Hz(BCD) If both addresses
contain FF(H), tone
detection is disabled.
6804B3 Detection time for 800 Hz AI short
protocol tone
20 ms Factory setting: 360 ms
6804B4 PSTN: Tx level from the modem -N – 3 dBm Function 06-2
(parameter 01).
6804B5
PSTN: 1100 Hz tone transmission
level
- N
6804B4
- 0.5N
6804B5
–3.5 (dB)
See Note 7.*
6804B6 PSTN: 2100 Hz tone transmission
level
- N
6804B4
- 0.5N
6804B6
–3 (dB)
See Note 7.*
6804B7 PABX: Tx level from the modem - dBm
*: notes are located on page 4-77