BT2 user manual - H-5911-9004-02-B Page | 37
Indications of discharged batteries are:
• The LEDs switch to solid yellow (battery too low to proceed with operations).
• The LEDs do not activate when the nose cone is fitted (battery exhausted).
• The tablet cannot establish communications with the probe as a remote Bluetooth device (battery
exhausted).
• A message in Carlson Boretrak software indicating that the battery level is critical or that there is not
enough power to turn on the IMU.
The probe is powered ON as soon as the nose cone is attached to the probe. Removing the nose cone powers the
probe OFF.
Note that there is a supercapacitor in the probe which allows the Boretrak2 to keep running if power is momentarily
lost due to a sudden shock, or displacement of the batteries. Therefore, to fully reboot the probe, leave the nose
cone disconnected for at least 20 seconds to allow the supercapacitor to fully discharge.
As described in the table in section 6.1, when the Boretrak2 probe is powered ON, the LEDs will light up, initially
yellow and then in a colour and pattern dependent on the current status of the probe.
When a survey is complete, and data has been downloaded from the Boretrak2 probe to the tablet, remove the
nose cone to preserve battery life. Data is automatically deleted from the probe after it has been downloaded. If
data has not been downloaded, it is stored in the probe even when the probe is powered OFF.
WARNING: only undamaged batteries should be used in the Boretrak2 probe. Prior to each use, check
the condition of your battery cells. If the plastic coating around the battery is pierced, ripped or torn, do
not load the battery into the probe. Dispose of the battery and source a Carlson-approved replacement.
WARNING: dispose of used batteries sensibly. Under no circumstances must the batteries (or instrument) be
disposed of by burning. Explosion may occur!
WARNING: all batteries contain highly reactive, poisonous, and corrosive chemicals, which are hazardous if
released due to physical damage. Should the battery or battery charger stop working or become damaged, stop
using it and source a Carlson-approved replacement.
Figure 36 An example of a battery with a damaged outer coating. This
battery should not be used in the Boretrak2 probe
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