BT2 user manual - H-5911-9004-02-B Page | 35
6 Boretrak2 hardware description
6.1 Probe
The Boretrak2 probe contains an inertial measurement unit (IMU). The IMU comprises a triaxial accelerometer,
magnetometer, and gyro.
IMU readings are collected during a survey and stored in the probe’s on-board memory. The probe also contains a
real-time clock which is synchronised with the clock on your mobile device. The clock is used to timestamp all
recorded data.
The Boretrak2 probe operates at any inclination. The IMU tracks the probe’s orientation whether it is deployed
upwards, downwards, or horizontally.
A ring of LEDs provides visible information on the status of the Boretrak2. The information conveyed is outlined
below.
LED behaviour Message signalled
Yellow solid On power up – waiting for battery to stabilise
Blue flashing Waiting for Bluetooth connection
Red flashing Probe is not aligned or has lost alignment
Yellow flashing Probe is aligned / logging is off
Green flashing Probe is aligned / logging is on / ready to survey
Red / green flashing For troubleshooting only
Red / blue flashing For troubleshooting only
Red / yellow blinking For troubleshooting only
Red / cyan blinking Battery level too low to power up
The Bluetooth signal is broadcast through the LED window. Try to avoid holding the probe by the LED window
during operations as Bluetooth communications with the mobile device may be affected.
The deployment adaptor provides a quick-release mechanism to attach to deployment devices. This connection
ensures that the probe is secure during deployment and that attaching and detaching the selected deployment
device is quick and efficient.
Nose cone containing
batteries
LED
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