Sometimes it will be required to perform a new sensor calibration after upgrading. This will be indicated with
the firmware upgrade. When indicated, please follow the steps on the page. Do not
calibrate the sensors with the USB cable attached. Use your standard ground control station and telemetry
unit for this.
sensor calibration
1. Use a specific Lithium Polymer battery charger only. Do not use a NiCd or NiMh charger - Failure to do
so may cause a fire, which may result in personal injury and property damage.
2. Never charge batteries unattended unless you charge inside a LiPo Safe. When charging Li-Po
batteries you should always remain in constant observation to monitor the charging process and react to
potential problems that may occur.
3. If at any time you witness a battery starting to balloon or swell up, discontinue charging process
immediately. Disconnect the battery and dispose of it safely. Continuing to charge a battery that has
begun to swell will result in fire. Likewise, never use a battery if you find it swollen or ballooned.
4. Since delayed chemical reactions can occur, it is best to observe the battery as a safety precaution.
Battery observation should occur in a safe area outside of any building or vehicle and away from any
combustible material.
5. Wire lead shorts can cause fire! If you accidentally short the wires, the battery must be placed in a safe
area for observation for at least 1 hour. Additionally, if a short occurs and contact is made with metal
(such as rings on your hand), severe injuries may occur due to the conductibility of electric current in
such objects.
6. A battery can still ignite even after 1 hour.
7. A battery that makes a hissing sound is almost certain to ignite. Consider your own safety and that of
your environment before attempting any action
8. In the event of a crash, you must remove battery and dispose of it safely.
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