Jadak Photo Research SpectraScan PR-7 Series, User Manual

Page: 53 / 142

Chapter 5
– Setup Menu
49
H
OW TO
M
AKE
L*
U
*
V
*
OR
L*
A
*
B
* M
EASUREMENTS
1.
Touch the ▼ or ▲ icons in the
Measurement Mode field to select L*u*v* or L*a*b* .
2.
To make L*u*v* or L*a*b* measurements, it is necessary to first select a white reference ( Illuminant ).
Touch Select at the bottom of the Illuminant column. A screen similar to the following ap pears:
FIGURE 40 - L*U*V* SETUP SCREEN FIGURE 41 - FILE RECALL SCREEN
3.
To access factory stored illuminants (Standard Illuminants)
, touch the ▼ or ▲ icons in the
Current View
field until Standard Illuminants appears. An Illuminant may also be a previously measured AND
STORED file
– for example a florescent lamp. If it is desirable to use a previous measurement, then
select Internal RAM or External SD Card (if an SD card is inserted).
OR
Press the MEASURE button then touch Back then Recall to accept the measured data.
FIGURE 42 - STANDARD ILLUMINANTS SCREEN
4.
If using a pre-stored illuminant, at the top of the screen that pops up, the title of the Illuminant appears .
Touch Next (or Previous ) to scroll through available choices.
5.
Touch Back.
6.
Touch Recall to select the displayed illuminant. The Standard Illuminant screen updates to show the
data of the illuminant selected.