Pascal (Auto Gradation Correction Control) - Canon 1000 Service Manual

7. TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS

7. PASCAL (auto gradation correction control)

DISP COUNTER
ADJUST
FUNC
OPTION
TEST
DISP COUNTER
ADJUST
FUNC
OPTION
TEST
Item
PASCAL Determines whether to use or not data on gradation
correction and contrast potential obtained by auto
gradation correction control.
0:
1:
M/C/Y/K-DMAX Indicates in % the result of comparing the solid black
density read when auto gradation correction is ex-
ecuted against the design value.
M/C/Y/K-VRATE Indicates the control value (obtained from M/Y/K-
DMAX) used to determine contrast potential.
7-236
COPYRIGHT © 2001 CANON INC.
<M> <S>
PASCAL
Y-DMAX
PASCAL
1
Y-VRATE
DMXCT-Y
LUTCT-Y
<M> <S>
PASCAL
P-OFST-Y P-OFST-M
0
Description
Do not use
Use
CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
<R>
1/2
M-DMAX
xxxx xxxx
M-VRATE
xxxx xxxx
DMXCT-M
1 1
LUTCT-M
1 1
<R>
2/2
P-OFST-C
0 0
<P> <F>
C-DMAX K-DMAX
xxxx xxxx
C-VRATE K-VRATE
xxxx xxxx
DMXCT-C
1
LUTCT-C LUTCT-K
1
<P> <F>
P-OFST-K
0
Remarks
Set it to 0 when adjusting
images; otherwise, be
sure to set it to 1.
Standard: 1
Optimum value: 75 or
higher
1