Part 3: Repair Information
1.5 LOCALLY FABRICATED TOOLS
Make
the
following
charts
from
paper
of
the
reflectance
indicated.
1.
AF
Charts
•AF
reference chart
Place
90%
white
strips
centered
on on
2%
black
paper
as
shown.
2%
00%
~
00%1
~
A4 Size
•
••
••
15mm 19mm
17mm
Fig. 3-3 AF Reference Chart
•16mm bar chart (AF accuracy check)
A4 Size
Attach
16mm
90%
paper
vertically
to
2%
A4
paper
as
shown
below.
•45° bar chart (AF accuracy check)
Attach
16mm
90%
paper
diagonally
to
2%
A4
sheet
as
shown
below.
•Low-contrast chart
(AF
accuracy check)
Make
chart
a
center
15mm
wide
90%
white
over a
64%
light
gray
background.
3-4
Fig. 3-4 Single Bar (16mm) Chart
45°
~q:
Fig. 3-5 45° Bar Chart
Fig. 3-6 Low Contrast Chart
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