Ricoh M160, Service Manual

Page: 463 / 836

Main SP Tables-4
M160/M161 3-50 SM Appendix
4656
[Black Level Adj. Display]
Displays Black level digital adjustment value.
Black level adjustment is continuously done hardwarelly by SBUs ASIC
(SCAT).
Black level is checked when Scanner turns on, then Adjustment value is
given.
Use for design evaluation, analyzing cause of malfunction (abnormal
images, SC).
4-656-001
Last Correct Value: B Color
600
E*
[0 to 255 / 0 / 1digit/step]
4-656-002
Last Correct Value: B Color
1200
E*
4661
[Digital Gain Adjust]
Displays Digital gain adjustment value.
White level adjustment will be done to keep hold of image signal’s dynamic
range when scanner turns on.
Gain adjustment will be done hardwarelly by SBUs ASIC (SCAT) and be
given, cause to the fact that White level adjustment will amplify or
attenuated image signal.
Use for design evaluation, analyzing cause of malfunction (abnormal
images, SC).
4-661-001
Last Correct Value: R Color
600
E*
[0 to 511 / 0 / 1digit/step]
4-661-002
Last Correct Value: R Color
1200
E*