battery. Discontinue use immediately. For more information about Lithium-ion battery safety see “Health
and Safety Information”. Alternately, no battery may be in the BTBeacon.
BTBeacon Status LEDs (During Boot
Loader Mode)
BTBeacon Functions
Each BTBeacon has three ports, each of which can power a single connected Stringer. When a Stringer is
connected to a BTBeacon’s LED port, the Stringer’s LED will emit infrared light in a unique pattern. These
infrared pulses create a unique ID used to identify BTBeacons. When the LED infrared pulse is seen by 2
or more BTSensors, the positional coordinates (XYZ) for the Stringer LED is calculated by the BTServer.
Position is based on the location of visible Stringer LEDs connected to a BTBeacon. Orientation data (roll,
pitch, yaw) is determined by an internal inertial measurement unit (IMU). The IMU also functions as a
backup for determining the BTBeacon's position. The IMU measures acceleration and rotation.
The BTBeacons have a red power and reset button, and two white auxiliary buttons. The auxiliary buttons
are used during fixture calibration.
The BTBeacon transmits the following data over radio to the BTRouter, which is relayed to the BTServer:
IMU data, button presses, battery status, configuration details, and Stringer IDs.
To enter the BTBeacon into Boot Loader Mode, turn the beacon off and hold A or B while inserting the
BTBeacon into the BTSmart Charger. This mode is used to update firmware.
BTBeacon Transmitter Characteristics
BTBeacon Charging Information
A BTBeacon’s rechargeable lithium-ion battery is not fully charged when shipped. Please read the
following instructions carefully:
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