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If the System LED only flashes only once every 30 seconds.
1. Verify your computer has been outside for a few minutes with a clear view of the sky (no buildings or
trees obstructing its view).
2. Verify that there are no electronics that could be potentially causing interference within close
proximity of the computer.
Pre-Launch Check List
Before powering on the flight computer, check that:
1. Power connections between the battery pack and flight computer are secure.
2. Red wire goes to "+" and black wire goes to "-".
3. Sensor module('s) are securely connected to the Sensor Ports.
4. Micro SD card is fully seated.
5. Fresh lithium batteries are inserted into battery pack with correct orientation.
Wait for the computer to boot (10 to 15 seconds after powering on), and check that:
6. System LED is flashing every six seconds.
7. System LED is correctly indicating the number of sensor modules connected by:
▪
Flashing once every six seconds if no sensor modules are connected
▪
Flashing twice every six seconds if one sensor modules is connected
▪
Flashing three times every six seconds if two sensor modules are connected.
8. GPS receiver has satellite lock.
▪
Indicated by GPS receiver LED flashing (may have to wait a few minutes).
Congratulations! Your flight computer is now ready to fly!
IMPORTANT
Never fly near populated areas and major airports.
Always follow FAA regulations and remember that weather balloons and payloads are not toys and can be
dangerous if not prepared and used properly.
In no event shall High Altitude Science be liable for any direct, indirect, punitive, incidental, and/or special
consequential damages whatsoever arising out of or connected with the use or misuse of its products. The
buyer assumes all risk and liability resulting from ANY use of all products sold by High Altitude Science. Your
purchase and use of any High Altitude Science product constitutes your agreement to and acceptance of these
terms. If you do not agree to these terms and conditions, you must return the unused product in resalable
condition for a refund or credit.
www.highaltitudescience.com
Eagle Flight Computer Manual V1.0 – Page 6
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