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Connect thunderbolt 2 to thunderbolt 3 adapter to the IMac
Focusrite Control version 2.3.4 is on software in the protools folder
NOTE DON'T GO TO THE WEBSITE AND INSTALL REDNET THAT WE DON'T NEED IT'S FOR DANTE STUFF!! GET THE INSTALLER OFF SOFTWARE WITH THE GREEN DOT
Install that application
Update the Firmware when you are prompted
The update will download and then power off the Focusrite 4 and reboot the device and start the upgrade. Be patient you will get a No Device Connected for a few seconds but don't touch anything. Upgrade will start on it's own in a moment.
Open Focusrite Control if you haven't already
Moody College of Communication > Pro Tools - Focusrite RED4Pre Surround Sound setup > worddav310633b5a37fcb9333d00bf0d6869ad8.png
You will be prompted with this dialog box

Choose 8 Channel Analogue
Note make sure that the Focusrite is synced to internal – Clock Source – Internal or else you won't hear anything coming out of the speakers
Moody College of Communication > Pro Tools - Focusrite RED4Pre Surround Sound setup > image2020-3-4_16-20-11.png

Click on Output Routing

Change Line outputs from stereo to mono do this for 3-4 and 5-6 and 7-8

Change so each channel is a single channel see that stereo is not selected anymore in framegrab below

Then change every output from 3 to 8 and need to set that to the
start with line output 3
Moody College of Communication > Pro Tools - Focusrite RED4Pre Surround Sound setup > worddav50f175ed85896143bc6a6aa8b6fce39b.png
Choose > Playback > Playback DAW – channel 1 example above
Output 4
Choose > Playback > Playback DAW – channel 2 example above
Output 5
Choose > Playback > Playback DAW – channel 3 example above
Output 6
Choose > Playback > Playback DAW – channel 4 example above
Output 7
Choose > Playback > Playback DAW – channel 5 example above
Output 8
Choose > Playback > Playback DAW – channel 6 example above
Continue through channels till you get to Line output 8 that should be set to 6
Moody College of Communication > Pro Tools - Focusrite RED4Pre Surround Sound setup > worddav6e381278a8828fe7c83259333f5213d3.png
Playback DAW 2 for Line output 4 and so on till you get 6 channels out

Open audio midi setup and

>Focusrite Thunderbolt and 5.1 surround config
Each speaker output should send a signal to this cable
Moody College of Communication > Pro Tools - Focusrite RED4Pre Surround Sound setup > worddav76c1151a7518858da926d24932bcf143.png

Next open protools ultimate to get 8 channels output
Set playback engine to

Set to Focusrite Thunderbolt

>Go to >Setup>Hardware
Set it to Focusrite Thunderbolt Click OK
Click on >Setup>I/O
Click on the 5.1 path order and make sure the L, R, C, LFE, Ls and Rs are selected *NOTE IF YOU DON'T SEE 5.1 OPTIONS YOU ARE NOT IN PROTOOLS ULTIMATE CHECK ILOK TO MAKE SURE* *YOU HAVE A LICENSE ACTIVE*
Select all the ouputs and delete them.
After all the outputs are selected click delete path
Click Delete
Click on "New Path"
Choose to create 1 new track 5.1 and path = Output
The channels will auto populate
Click OK to Apply
Go to >Track>New
Create a mono track and create some pink noise on the track to test
On the new track select a span of the clip to create the white noise on
Go to AudioSuite>Other>Signal Generator
Choose Pink Noise
Make sure the Output is Yellow and set to Output 5.1 output
Go To >Window> Mix or click "command ="
In the mix window on the track with the 5.1 output you will see the "Multi Channel" Panner window Drag the dot to each corner to test the output of the system should hear the correct panning for left, right LS and RS NOTE IF THE OUTPUTS ARE WHITE THEN THIS WONT WORK THE OUTPUTS HAVE TO BE YELLOW TO GET THE MULTI CHANNEL PANNER TO WORK
To see the Multichannel fader larger click on the mini fader
This will open the surround window
Note to check LFE
Go to Output> OutputLFE You will have to turn up the volume on the crestron to make sure you can hear the LFE on the test