C I N E B R A T E User Manual
16
Once the three Tristimulus values have been derived, CIE 1931 x, y can be calculated by the following formula:
CIE 1931 x, y
Z
Y
X
X
x
+
+
=
Z
Y
X
Y
y
+
+
=
L
UMINANCE
Luminance is defined as luminous flux (lumens) per solid angle (steradians) per unit area being emitted in a
given direction and is calculated from
Radiance (watts/steradian/meter²
)
.
CINEBRATE reports luminance units in footlamberts
(1/
lumens/steradian/foot²) and candelas per square meter
(
cd/m
2
–
lumens/steradians/square meter
. Luminance is the proper photometric intensity values when
measuring image is projected onto a screen.
C
ONNECTIVITY
USB
The CINEBRATE is equipped with a Mini-B USB connector, allowing for remote communication for controlling the
instrument using Remote Mode commands.
Note:
I
NSTALLING THE
USB
D
RIVER
Prior to using Remote Control commands, the USB driver must be installed on your personal computer.
1.
Turn on the CINEBRATE.
2.
Connect the CINEBRATE to the PC via the USB interface cable.
3.
Click on
START
then right click on
COMPUTER.
4.
Click on
Manage.
5.
Click on
Device Manager
.
6.
In the device manager screen, an
Unknown device
appears under
Other Devices.
Point to this listing and right
mouse click.
7.
Click on
Update driver software.
8.
Click on
Browse my computer……….
