> For the complete documentation index, see [llms.txt](https://docs.ceruleansonar.com/c/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ceruleansonar.com/c/rov-locator/rovl-coordinate-systems-and-angles/transducer-up-orientation.md).

# Transducer Up Orientation

"Transducer Up" should be the orientation of the receiver/transceiver if it is at depth, or the orientation of the transmitter/transponder if it is at depth.

![Mk II transmitter, Mk II receiver, or Mk III transceiver in "transducer up" orientation](/files/aGotuHcngRK4xnynyjT8)