How do I calibrate Digidesign's PRE with my 192I/O?

Here are the correct steps to calibrate the outputs (assuming PT reference is -18dBFS):#1 Make sure that the outputs of your 192 calibrated properly (-18dBFS 1KHz Sine wave=1.228VAC)#2 Connect the +4dBu outputs of the 192 to the Line/Inst inputs of PRE.#3 Change the inputs of PRE to Line-15K and adjust input trims to "06" for each channel#4 In a new session, create 8 mono Aux tracks assigned to separate mono outputs.#5 Instantiate a Signal Generator on one track, 1kHz Sine wave at -18dBFS. Copy the Signal Generator to the other Aux tracks.#6 Adjust the output trims of PRE so that they are 1.228VAC.

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