The most important Buttons on iLive and GLD are the Mix-Buttons. If you are coming as for example from Yamaha, this is an other way to assign your channels to Mixes, Auxes, DCA and so on, but its a very convinient and elegant way.

There is a wonderfull tool on the GLD: Select the AuxSendMaster,you want to work with, then press the GEQ- Button. That presents the first Half of a Graficequalizer on the Faders for that Aux, you selected before. The last Fader on consoles right will be the Master for that Aux. so you can lift up the level carfully und you will see first ringing frequencies on the channels metering exact where you need it! press GEQButton a second time and you will get presented the upper half of the GeQ for that Buss. Third press on GEQ will bring you back home to your AuxSendMix. Its really easy!