Ricoh D146 Service Manual page 1209

Main SP Tables - 4
BO
Displays SSCG Nose Amplitude (F Side/BLUE/ODD pixel) when adjusting
SSCG.
006
Correction value will be decided depending on detected Noise Amplitude when
adjusting.
Adjustment will be done when scanner turns on.
Use for design evaluation, analyzing malfunction (abnormal images).
D146/D147/D148/D149/D150
ENG [0 to 1023 / 0 / 1digit/step]
2-490 System Maintenance Section