Update README.md

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@ -48,7 +48,12 @@ This should work in a classroom provided there isn't too much background noise,
## Initial setup and test ## Initial setup and test
1. A guide for setting up your Raspberry Pi can be found [here](https://projects.raspberrypi.org/en/projects/raspberry-pi-setting-up). 1. A guide for setting up your Raspberry Pi can be found [here](https://projects.raspberrypi.org/en/projects/raspberry-pi-setting-up).
1. We presume you are running Rasbian Stretch Desktop edition available [here](https://www.raspberrypi.org/downloads/). 1. We presume you are running Rasbian Stretch Desktop edition available [here](https://www.raspberrypi.org/downloads/) and are online.
1. Switch the audio output to the headphone jack. This is needed for the way pulse audio loops back the system audio as an input device.
- Start > Accessories > Terminal;
```
sudo amixer cset numid=3 1
```
1. Install prerequisites. 1. Install prerequisites.
- Start > Accessories > Terminal - Start > Accessories > Terminal
``` ```