# Starting and stopping a recording

1. Before you start a recording, check your headset’s battery level and contact quality. 
2. To start your recording, press the record button at the bottom left-hand corner of the screen. 
3. A pop-up box will appear on the screen. Enter a name for your recording (required) and a SubjectID (required). Previously used Subject Id's will show up as a suggestion in the Subject ID field while you type.
4. Click on the Start Recording button and recording will begin.
5. To stop a recording, click on the stop button at the bottom left-hand corner of the screen. 

**Please note:** EmotivPRO will not record data while your computer is in sleep mode. Disable your computer’s sleep mode before you start a data recording.