Odd that you've come here for help with a roland device on the ProTools platfrom, is this forums reputation for help and knowledge that extencive
Ok, first remove Pro Tools from the equation.
Plug your mic into input 2 (just to remove the Hi-Z option as it only applied to input 1)
Boot up , but don't open Pro Tools.
Swing the Mix knob to 'Input'
Press the mono button, so to remove it being a left right speaker issue
Plug in headphones.
turn SENS 2R to 12 o'clockTurn the Volume knowb (unlabelled but above the headphone jack to 50% (12 o9'clock))
Do you hear anything through when you clap you hands to the mic with eitherb headphones of the speakers?
Does making a noise into the mic show on the Quads front panel?