> 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/ethernet-rov-locator/system-variants/mk-ii/autosync-availability.md).

# Autosync Availability

Autosync is standard in Mk II Receivers and Transmitters. It is not available nor useful for Mk III or Mk V systems.