2400MP Question

This is a question for all Dell projectors but especially the 2400MP.

Is the audio out on the rear panel variable output controllable from the hand held remote?

When you plug in to the 3.5mm audio output jack does it disconnect the audio from the internal 2 inch speaker?

Do any Dell projectors have the ability of variable audio output jack controllable from the hand handheld and bypassing the internal speaker?

A customer wants to use the audio output from the projector to feed self amplified speakers but desires volume control from the hand held remote.

Thanks,

Calvin