NEC SpectraView Reference 241, User Manual

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Profiler
User Manual
4.7.3 Checking viewing booth
In order to be able to judge colors accurately on a monitor, you need a
controlled environment as described in ISO 3664 and ISO 12646.
These standards demand for a dimmed surrounding with a not more
than 32 lux and a color temperature close to D50.
Attach the ambient light head to the instrument and hold the instrument
in front of your monitor with the ambient light head facing the room, not
the monitor.
Viewing booth and monitor comparison
For a comparison of a proof and a soft proof, the viewing booth should
have an illuminance value of 500 ± 125 lux and a color temperature of
D50.
Again, attach the ambient light head to the instrument and hold the
instrument towards the back wall of your viewing booth. Make sure
the background is a neutral gray. In doubt use a gray card that has no
metameric failure, like
the basICColor gray card .
In the measure window, you’ll see the measurement values updated
with each measurement. Thus you can adjust your ambient light or
viewing booth until the required values have been reached.
Click
<Done> and then <Close> when you want to stop measuring. The
achieved values will be displayed next to the reference values so that
you can compare the results.
Positioning basICColor SQUID2 for ambient
light measurement.
Mounting the ambient light head on a
basICColor SQUID2