# Doodle Binding / Pairing

* Ensure that your air and ground radios are at least 2 feet apart. Doodle radios are powerful, and if they are too close, they may create interference with each other.
* Power on Astro with one battery.
* Power on Pilot Pro.
* Give it time. Each radio takes about 60 seconds from power-up to fully boot its system. Ensure both the air and ground radios have been powered on for at least 60 seconds before checking connectivity.
* Open the Pilot Pro App and open the side menu

<figure><img src="/files/zHy1OMWCjtfLXpi71Of0" alt="" width="375"><figcaption><p>Opening side menu in the Pilot Pro App</p></figcaption></figure>

* Navigate to "Radio Settings". Then open "Pairing Manager"

<figure><img src="/files/JTazIFWvqXS0FdONo7jP" alt="" width="375"><figcaption><p>Radio Settings location in the Pilot Pro App</p></figcaption></figure>

* Find the bind button under Astro. Its next to the yellow XT connector on the IO Panel.

  <figure><img src="/files/ohrvrjrmuV175iqgT83m" alt="" width="375"><figcaption></figcaption></figure>
* Also locate the external compass module (on boom 4).

<figure><img src="/files/SyPMwgojyb86Xow4DlzA" alt="" width="375"><figcaption></figcaption></figure>

* Press on the bind button 3 times. Then make sure the LED on the external compass module starts to blink fast in white/pink.<br>

  <figure><img src="/files/RXkuAakdh0EIW2IKfCwU" alt="" width="375"><figcaption></figcaption></figure>
* Wait 30 seconds (for Doodle to fully switch to pairing mode). Then press Scan in the Pilot Pro App. From the list of results, find the one that matches Astro's serial number. Then press pair.
* Wait 60 seconds for process to complete.


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