Can someone familiar with this unit confirm (or otherwise) that the LED indicators on channel 2 are correct when the device is in "Coupled" mode (as indicated by the illuminated central red LED).  No audio is input.  The pics show both uncoupled and coupled modes.

TIA 

I recently purchased a Behringer MDX 2600 compressor.

It's use in my studio is for compressing a microphone for a podcast. It worked in radio broadcasting my entire life but now am in the process of setting up my home studio.

Quite honestly I'm very perplexed by this. I'm not a tech expert by any means, but know some of the basics around the studio.

I'm a newbie in the sound field. I already got 2 Behringer devices. A composer pro-xl MDX2600 and A multicom PRO-XL MDX4600. I want to setup both of them as a "voice over compression" or Ducking but I do really have not idea how to do it. I though the device user manual shows how to do that but Behringer devices manual only states just a few words about it.