# Omniscan <-> Omniscan3D

### Omniscan -> Omniscan 3D Firmware

In order to make your regular Omniscan 450 (FS/SS/Compact) work as part of an Omniscan3D, we need to change the firmware on the device.\
\
To start, you will need to see both your Omniscan3D and regular Omniscan in Device Discovery as shown below:<br>

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

If you can't see the Omniscan 3D, please refer to the Quick Start. If you can't see the Omniscan 450, please refer to the [Omniscan Documentation](https://docs.ceruleansonar.com/c/omniscan-450/).

Next, connect to the Omniscan 3D and open the OS3D Configuration:

<figure><img src="/files/XbRSQdGzXss8CoZhH0pe" alt=""><figcaption></figcaption></figure>

You should see any discoverable Omniscans under Discovered Devices. If the 'Convert to Omniscan3D (BX) F/W' button is disabled, you'll need to disconnect any other connected Omniscans and reload the view.

{% hint style="warning" %}
The firmware uploaded to the Omniscan makes it unusable as a standalone Omniscan. You will need to revert firmware if you want your regular Omniscan back
{% endhint %}

Once ready you can click 'Convert to Omniscan3D (BX) F/W' which will upload the firmware to the Omniscan board and make it ready for use in the Omniscan3D. You can use the config editor to set up offsets and pair components together.&#x20;

{% hint style="info" %}
For setting up firmware on dual setups, please setup the firmware one Omniscan at a time
{% endhint %}

### Omniscan3D -> Omniscan Firmware

To revert your device back to a regular Omniscan, connect to the Omniscan 3D and go to the OS3D Configuration:

<figure><img src="/files/ENOfxYXaocGAZtJT0uS5" alt=""><figcaption></figcaption></figure>

You may have to first `"enable_revert_to_os450_fw": true` in the config and hit Apply Changes and reconnect.&#x20;

You should then be able to hit the 'Revert BX to Omniscan F/W' button. If it's disabled, make sure no other devices are plugged in besides the RX16 and Omniscan you're trying to downgrade.


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