An overview of the Allen & Heath GLD-80 a. Fader banks, layers and Freeze in Layers b. Strip LCD display -- explain colour coding, indicators (St, Strip Type, Safe, DCA, NAME, rotary setting, ON, Mix Type, PRE) and Alt View c. Rotaries and custom functions d. Meter, Mute, SEL, PAFL keys e. Working with the Mix key on Input Channel (including Assign and Pre/Post) f. Working with the Mix key on Master Channel (including Assign and Pre/Post)