Single and Multi-Fixture Calibration
To calibrate a fixture, measurements points must be collected. Measurement points are samples of
fixture and BTBeacon data collected by the BTSystem.
You can collect measurements points for a single fixture or multiple fixtures. Each fixture requires its own
measurement points to calibrate correctly.
Attention: For accurate fixture calibration to occur, ensure that BTSensors are correctly calibrated and
accurate first.
Collecting Calibration Data for a Single Fixture
To collect measurement points for a single fixture
In BlackTrax, in the Fixture Calibration View, in the Fixtures section, select the Preset number from1.
the Preset: drop-down list. You may click Rename to type a new name for the selected preset.
Note: The preset numbers displayed will not change.
Result: The measurement points for the single fixture will be collected under this preset
number, which can be recalled in the Edit Chapters widget and displayed in the Running
Chapters widget.
In BlackTrax, in the Fixture Calibration view, in the Fixtures section, select the fixture that needs to2.
be calibrated.
A BTBeacon will be used to calibrate the fixture. Click Assign Beacon to view a drop-down list of all3.
available BTBeacons.
Select the desired BTBeacon from the drop-down list.4.
Result: The selected fixture will follow the selected BTBeacon in the Space.
In the Physical Space, take the chosen BTBeacon. Make sure that a single Stringer is connected to5.
port 1 of the BTBeacon.
Move the BTBeacon to a point within the Space.6.
Result: The selected fixture should be following the BTBeacon in the Space.
Attention: The LED of the Stringer must be visible to 2 or more BTSensors simultaneously
for tracking to occur.
At a point in the Space with the fixture following the BTBeacon, in BlackTrax click Freeze Beam.7.
Tip: Pressing the A button on the BTBeacon being tracked activates Freeze Beam remotely.
Result: The fixture will stop in place.
In the Physical Space, put the Stringer LED as close to the center of the fixture beam as possible.8.
With the LED still in the center of the beam, in BlackTrax click Collect Data Point.9.
Tip: Pressing the B button on the BTBeacon being tracked activates Collect Data Point
remotely.
Result: BlackTrax will collect the data of the BTBeacon and fixture as a measurement point
when Collect Data Point is selected. It will add the data to the Fixture Calibration Points
section. The fixture will unfreeze and continue following the BTBeacon. The fixture will also
pan-flip after collecting a point to ensure you are collecting points on both sides of the tilt
range.
At a different location in the Space, repeat steps 5 to 8 until you create a total of 5 measurement10.
points.
Attention: The minimum number of measurement points needed for calibration is 5.
Note:
For best results the measurement points samples should be at different points in the
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