# Herelink Radio

## Binding

* Prepare tweezers or paperclip.

{% tabs %}
{% tab title="Astro and Alta X Gen 2" %}

* Power on Astro or Alta X Gen 2 with one battery
* Find the bind button on the IO Panel - next to the yellow XT connector.

  <figure><img src="/files/WI9wvyQCnc4qECJGKc2v" alt=""><figcaption></figcaption></figure>
* Also locate the external compass module

  <figure><img src="/files/G0GkVun7R03ImCJSdDM9" alt=""><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.
  {% endtab %}

{% tab title="Alta X Gen 1" %}

* Using tweezers, press and hold the Herelink unit's "Pair/Reset" button until LED2 blinks (hold approximately 3 seconds)
  {% endtab %}
  {% endtabs %}

## Pilot Pro

* Using tweezers, press and hold the Pilot Pro Herelink unit's "Pair/Reset" button until LED2 blinks (hold approximately 3 seconds)
* Ensure the light goes solid.
* Open the flight app on Pilot Pro (AMC for Astro) and verify the connection to the aircraft


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