Ricoh D072 Service Manual page 621

NCU Parameters
Address
Acceptable CNG detection
6805A8
frequency lower limit (high byte)
Acceptable CNG detection
6805A9
frequency lower limit (low byte)
6805AA Not used
6805AB CNG on time
6805AC CNG off time
Number of CNG cycles required
6805AD
for detection
6805AE Not used
Acceptable AI short protocol tone
6805AF (800Hz) detection frequency
upper limit (high byte)
Acceptable AI short protocol tone
6805B0 (800Hz) detection frequency
upper limit (low byte)
Acceptable AI short protocol tone
6805B1 (800Hz) detection frequency lower
limit (high byte)
Acceptable AI short protocol tone
6805B2 (800Hz) detection frequency lower
limit (low byte)
D067/D068/D069/D072
Function
BCD (Hz)
-
20 ms
20 ms
-
-
Hz (BCD)
Hz(BCD)
7-82
If both addresses
contain FF(H), tone
detection is disabled.
Do not change the
setting.
Factory setting: 500 ms
Factory setting: 3000 ms
The data is coded in the
same way as address
680533.
Do not change the
settings.
If both addresses
contain FF(H), tone
detection is disabled.
If both addresses
contain FF(H), tone
detection is disabled.
SM Appendix