Allen & Heath CQ-20B Ultracompact 20-Channel Digital Mixer (Rackmount/Stagebox) - Manual (Page 61)

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61 User Guide
V1.1.0 Issue 1
Library – Opens the channel library to store or recall all channel settings, including
Name, Colour, Preamp and Processing. Quick and Complete libraries are available.
Name/Colour – Change the name and colour for the selected channel.
Gain Assistant – Touch Auto Set and generate noise in the microphone or with the
connected instrument/device to automatically set preamp gain based on the level
of signal received at the input. Switch on Auto Gain to automatically reduce the
preamp gain and avoid clipping if high levels are detected.
Phantom Power – Touch and hold to activate +48V on the XLR input (Required for
condenser microphones and active DI boxes).
 Phantom Power is only provided via an XLR connection. It is not sent to the ¼” TRS
Jack connection of a Combi socket.
Invert Polarity – Invert the polarity of the signal. Often used where multiple
microphones are used on the same source (e.g. snare top and snare bottom)
Gain – Adjust the gain manually for the incoming signal.
Trim – Digital level adjustment, available on stereo line inputs and when an input
source is set to digital (USB/SD).
 Gain Assistant, Gain and Phantom Power are only available on Analogue Input
Sources.
Level – Displays the post-preamp (pre-processing) input level.