- Put the dewar in seated position and push the RC cage back.
- Switch off lights, projector and camera.
- Shut both doors in the stimulus delivery room.
- On megmap post subject selection: 0DQA and scan:
0NoiseTest
- Click on “Send Idle Parameters”
- Click on “Acquisition setup”
- Click “Start Initialisation” and then “Acquire data”.
- Check screen for relatively flat channel readings during the 2 minute data acquisition.
- It is OK if the reference channels (channel names contain the letters “M” and “G” are not as flat as the other channels.
- If channels are drifting, choose “zero data offset” (on Real Time Dispaly menu) to rescale y-axis on DAS.
- Post the recorded DQA data and load it into a Data Editor window. Check all channels throughout the duration of the DQA recording for unusual activity. Then filter the data using the DQA bandpass filter.
- Post the filtered data and re-load into the Data Editor window. Again, check all channels for artefacts and anomalies.
- Report any artefacts or other comments on the data in the log book.
- Remember to return the dewar to a vertical position when you have finished.
- Upload data to storage server: “nihead002”