Ricoh TH-C1b - Page 232

10 February, 2005 SERVICE PROGRAM MODE
5-29
Service
Tables
4
Mode No.
(Class 1, 2, and 3)
Function / [ Setting ]
800 3 B Adjusts the blue density when scanning with the ARDF
[–20 ∼ 20 / 0 / 1 %/step]
Level Adjustment: R 885
Adjusts the ADC reference voltage. Details are in
Replacement and Adjustment.
[ –128 ~ 127 / 49 / 1 /step]
Level Adjustment: G 886
Adjusts the ADC reference voltage.
[ –128 ~ 127 / 17 / 1 /step]
Level Adjustment: B 887
Adjusts the ADC reference voltage.
[ –128 ~ 127 / 29 / 1 /step]
ACC Data Display
1 R DATA 1
2 G DATA 1
3 B DATA 1
4 R DATA 2
5 G DATA 2
902
6 B DATA 2
Displays ACC data.
[0 ∼ 255 / 0 / 1 /step]
Dither selection 905*
1 Dither selection
[0 ∼ 255 / 0 / 1 /step] DFU
Binary Threshold 906*
1 Binary Threshold Specifies the black/white threshold for binary image
processing.
[0 ∼ 255 / 128 / 1 /step]
Lower values increase the proportion of black in the
image.
VPU Test Pattern Selection
1 select any test pattern:
R
2 select any test pattern:
G
907
3 select any test pattern:
B
[0 ∼ 4 / 0 / 1 /step]
• 0: CCD
• 1: Black
• 2: White
• 3: 15-grade gray scale
• 4: Vertical line
Manual Gamma Adjustment 918
Please refer to section 3.13.2
Picture Element Correction
1 R: Left
2 R: Right
3 B: Left
932*
4 B: Right
Corrects the left or right side alignment of the red or blue
filter on the CCD.
[0 ∼ 9 / 5 / 1 /step]