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PR-680/680L User Manual
39
S
TANDARD
I
LLUMINANTS
A Standard Illuminant is a spectral file of a white or near white stimulus that is used for L*a*b*, L*v*v*
and RGB. For the PR-680/680L, these illuminants were obtained from the CIE (Commission
Internationale d’Eclairge) and included Illuminant A (blackbo
dy radiator at 2856 Kelvins), Illuminant B
(Daylight simulator at 4850 Kelvins), Illuminant C (Daylight Simulator at 6772 Kelvins), Illuminant D50
(Daylight Simulator at 5,000 Kelvins), Illuminant D55 (Daylight Simulator at 5,500 Kelvins, Illuminant D65
(Daylight Simulator at 6,500 Kelvins), and Illuminant D75 (Daylight Simulator at 7,500 Kelvins).
This feature is informational only. No illuminants can be added or deleted using this function.
1.
Touch
Menu
then
Setup
then
Standard Illuminants
. A screen similar to the following appears:
FIGURE 82 - STANDARD ILLUMINANTS SCREEN
1.
Touch
Prev
or
Next
to scroll through illuminants.
2.
Touch the
icons to scroll through various data screens for the currently displayed
illuminant.