Panasonic BB-HCM381A Service Manual page 41

11.3. HP LIGHT BOX (High-Precision)
This light box enables the improvement of adjustment accuracy from a previous light box.
Features
1. Hight-Internesity Luminance and Long Life Made Possible by New
Halogen Lamp (20W / DC12V)
Luminance:=1,900 cd/m
with conventional models: 2.4 times)
Life: Over 1,000 hours (Rate compared with conventional modela: Over
10 times)
2. Compact Desing
Specific volume compared with conventional models: Approx.65% (Not
including camera stand)
3. Attachment of Collimator (Collimator: Infinity Adjustment Lens)
It is possible to screw up a collimator to the Light Box. And it is very
easy to compensate for the slant(shear of the optical axis) caused by
the weight of the collimator itself.
4. Attachment of Chart and Optical Filters
For easy and quick replacement to the charts, the light box is equipped
with the slot and the chart holder. Also, it is equipped with the slota for
optical filters, one for color temperature conversion filters, one for
cokor compensation filters. It is very convenient to set up for a color
condition according to adjustment procedure.
5. Integrated Cooling Fan
To prevent the tempereture from rising inside the Light Box and to
extend the life of the lamp, it is equipped.
iLuminance conversion:5,900lux) (compared
2
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