Ricoh A217 Service Manual page 31

SP MODE
Mode No.
Class 1 Class 2
2 *
3 *
4 *
#4901 5 *
*
6 *
7 *
4903 * 1 *
GA 1 Setting The value of the standard AGC gain
(L-GAIN2) for the analog processing IC 2 after
automatic white level adjustment in
the factory.
This SP mode is for factory use
only.
Do not change the value.
GA 1 Setting The value of the standard AGC gain
(W-GAIN1) for the analog processing IC 1 when
the main switch is turned on.
Do not change the value.
GA 1 Setting The value of the standard AGC gain
(W-GAIN2) for the analog processing IC 2 when
the main switch is turned on.
Do not change the value.
GA 1 Setting The value of the black level for the
(B-GAIN 1) analog processing IC 1.
Do not change the value.
GA 1 Setting The value of the black level for the
(B-GAIN2) analog processing IC 2.
Do not change the value.
GA 1 Setting The value of the standard AGC gain
(REF) for scanning the white plate.
Do not change the value.
GA 3 Setting Selects the strengths of the MTF and
(Filter Level) smoothing filters.
bit 7, 6: Letter Mode (MTF)
Weaker
bit 5, 4: Generation Mode (MTF)
Weaker
bit 3: Not used
bit 2: Letter/Photo Mode
(Smoothing)
bit 1: Photo Mode (MTF)
bit 0: Photo Mode (Smoothing)
Function
00: Normal 01: Weak
11: Weakest
00: Normal 01: Weak
11: Weakest
Keep at "0"
0: Sharp 1: Smooth
0: Weak 1: Strong
0: Smooth 1: Sharp
28
14 August 1997
Settings
0 ~ 255
1 /step
65
0 ~ 255
1 /step
65
0 ~ 255
1 /step
65
0 ~ 255
1 /step
40
0 ~ 255
1 /step
40
0 ~ 255
1 /step
170
0 ~ 255
0
10:
10: