> For the complete documentation index, see [llms.txt](https://emotiv.gitbook.io/x-trodes-user-manual/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://emotiv.gitbook.io/x-trodes-user-manual/abbreviations.md).

# Abbreviations

List of abbreviations commonly used in this manual:

* BT Bluetooth
* DAU Data acquisition unit
* EEG Electroencephalography
* EOG Electrooculography
* FW Firmware
* GND Ground
* IMU Inertial measurement unit
* PC Personal Computer
* S/s Samples per second
* XTR X-trodes