POWER CORE User ManualVersion: V6.0.0/5130/4599. Audio Mix Engine9.8 Tone GeneratorThe system includes the following internally generated audio signals which are available for assignment from the‘Tree Selection’ window:LineUpThis is a reference level tone at 0dB; you may configure control signals (e.g. MF Keys) to select the generatorfrequency from “System -> Definition -> Audio Internal”.To check line up levels through the system, this tone can be used as an audio input, and also supplied to aphysical output, via a connect.MuteThis signal is an internal mute (silence).It can be used, for example, as the Default Audio source for outputs that are usually assigned via connectelements to set them to silence.Binary OnesThis is an audio signal with all bits set to binary ‘1’. It can be used for measurement purposes.