# Transducer Down Orientation

"Transducer down" should be the orientation of the receiver/transceiver if it is topside, or the orientation of the transmitter/transponder if it is topside.

![Mk III Transceiver in "transducer down" orientation](https://content.gitbook.com/content/lN2lfY7yE0hWlcn6W1BS/blobs/aLu1eZifYeDlUQ2qpFj1/image.png)

<figure><img src="https://2814148991-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FlN2lfY7yE0hWlcn6W1BS%2Fuploads%2FRuaCVILyAxUcSLtugBFm%2Fimage.png?alt=media&#x26;token=634445fe-1c55-4230-98cc-4a583eea34d1" alt=""><figcaption><p>Mk III Transponder or Mk II transmitter or Mk II receiver in "transducer down" orientation</p></figcaption></figure>