Gossen GL SpectroSoft - Manual (Page 20)

GOSSEN Foto- und Lichtmesstechnik GmbH 20
5.2 ISO 3664 Assessment
ISO 3664 assessment - it is a measuring procedure according to ISO 3664:2000 norm
for Viewing Conditions in the Graphic technology and photography.
Note: before you start this procedure set the measurements parameters
for integration time and number of repetitions
1. To start the procedure go to top menu and click File, ISO 3664 and the following
dialog box will appear:
2. Accept this box and proceed to determine the illuminated surface area.
3. Once you select the proper Norm following window will appear: