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Eggtimer Rocketry Proton User Manual page 18

Board reva9; software rev. 1.01a

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In addition, your rocket must be in a vertical state, i.e. it must be pointing "UP" to arm it. If the
Proton sees that the G's are under 0.80G or over 1.20G it will not arm. Note that the
accelerometer will drift over time, so you need to perform a calibration before you fly it in order
to compensate for this. See the previous section regarding accelerometer calibration.
To arm the Proton, enter the 4-digit validation code into the text box then click on the ARM
button. After about 5-10 seconds you should see an arming confirmation page:
This page looks a lot like the status page, but the status is changed to "ARMED", it doesn't
initially have the validation code/box, and only the battery voltage is displayed. A few seconds
later you should start hearing the buzzer beep about once per second. This is an audible
confirmation that the Proton is now in flight sequence mode, and you're ready for launch. At
this point you should CLOSE the browser window on your handheld.
Until the flight actually starts, the Proton will be listening for activity from your handheld. If
you refresh this page or re-connect you will see the same page, but with a validation code, text
box, and "DISARM" button, as shown below:
Proton_2abcd
Status: ARMED
Please CLOSE
this Page!
Battery: 8.0v
Proton_2abcd
1.01a
Status: ARMED
Validation Code: 8509
..............................
DISARM
Battery: 8.0v
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1.01a

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