C H A P T E R F I V E
5
-
46
Paper Indices Function (528, 530 only)
The instrument can report cast, brightness, and reflectance
paper indices as absolute or difference data.
The
Cast
value represents the difference between the
highest and lowest reflectance values.
The
Brightness
value represents the total reflectance or
brilliance of the paper.
The
Reflectance
values represent the percentage of
reflectance through the three color filters (CMY).
The instrument also provides Mean, Sigma, Standard
Sigma, and Range statistical calculations.
Paper Indices Measurement Mode
Your instrument can evaluate paper indices two different
ways: as absolute measurement data, or as difference
(minus reference) measurement data. Pressing the Enter
key
#
with the Paper Indices mode highlighted toggles
through Paper Indices, Paper Indices Minus Reference,
Reflectance Indices, and Reflectance Indices Minus
Reference.
Measuring/Editing Indices Reference
The reference function is used to enter paper/reflectance
indices reference data into the instrument. The reference
data is stored in the instrument until changed. Paper
Indices reference values are then compared to Paper
Indices measurements and the difference displayed.
NOTE:
You can select
PAPER INDICES—REF
or
REFLECT
INDICES—REF
mode when measuring a reference. Both reference
locations are automatically updated. However, the reference mode
(paper or reflectance) must be specified when manually entering
reference values.
PAPER INDICES
P A P E R I N D I C E S — R E F
>
S a m p l e
M e a n
Referenc
Br —1%
Ct 0%
C —
>
M
<
S e l e c t M o d e
>
T
REFLECTANCE INDICES
REFLECT INDICES—REF
Содержание 500 Series
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