# Initial setup

## Power up ATLAS Controller

* Open the Pelican case and remove ATLAS Controller
* Make sure that the antennas are mounted properly

{% hint style="danger" %}
**WARNING**

Do not power on the radio module without antennas. It may significantly reduce the quality of the radio or damage the radio module permanently.
{% endhint %}

* Press Power button for a second until the unit starts to power up. The boot up process usually takes 15 seconds.

<figure><img src="/files/T7eYPQt9jF2mP2K3XyoX" alt=""><figcaption></figcaption></figure>

* After ATLAS is loaded up make sure the WiFi is disabled in order for Ethernet to work properly.
* If you wish to use radio connectivity please press the power button on the radio module:

<figure><img src="/files/BzcyJwzjng4FELlisPWD" alt=""><figcaption></figcaption></figure>

* Make sure that radio module status LEDs are blinking / solid:

<figure><img src="/files/OAPJzJJdC77IYqakDVtk" alt=""><figcaption></figcaption></figure>

## Start the Application

Once ATLAS Handheld is loaded you can start the ground control station app. Simply click on the desired app on the main screen or apps menu.

<figure><img src="/files/tqKt9rkHV4cw3VWkCx2Y" alt=""><figcaption></figcaption></figure>

After the app has started you will see its main screen:

<figure><img src="/files/QUeLoIaoHNrSKMbvHvz3" alt=""><figcaption></figcaption></figure>

You can also install any other apps of your choice. We recommend installing the apps via Google Play Store. You can install .apk too.

## Power Off

* Close the ground control station app by returning to the main screen or pressing the home button.
* Press the Power button on the radio module to turn off the radio:

<figure><img src="/files/ILAUCdCpKziKWvhtkucJ" alt=""><figcaption></figcaption></figure>

* On the controller’s homepage, use the drop down menu on the top right of the screen to select the “Power Off” button or press VOLUME DOWN and POWER buttons for the power off menu.

## Charging

Plug in the USB Type C cable to the USB charging port as shown on the image below:

<figure><img src="/files/dLhWm2WvbjI6cx2iVXlh" alt=""><figcaption></figcaption></figure>

ATLAS Handheld can be charged while also being operated. This allows an operator to use ATLAS Handheld regardless of the battery charge level.


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