Cloud CXM User's Guide download pdf (Page 6)

CXM User manual 5

1.07 Equalisation

The three equalisation (or EQ) controls will alter the tone of the audio passing through

the channel. It is not normal to assume that all three controls need to be rotated off

their centre detented position at the same time. More so, if all three controls are

rotated clockwise, then a previously optimised gain setting, could still produce overload

and distortion at the boosted high, middle and low frequencies. Excessive EQ

adjustment for any pre-recorded material should be avoided, what is more, if large

amounts of EQ are needed to produce normal listen quality then the user should check

the condition of ancillary equipment (eg. damaged turntable cartridge, dirty tape

machine playback heads) or even faulty audio wiring.

1.07a HF - High Frequency

This control can be used to make adjustment to the treble content of the music signals,

a centre detent is provided, with clockwise movement to boost treble, and anti-

clockwise to reduce treble.

1.07b MID - Middle

Use this control to adjust the middle frequency content of the music, operation is

identical to the HF control. Rotating this control towards the left will have the effect of

reducing the harshness of the audio input signal.

1.07c LF - Low Frequency

This adjusts the bass content of the music signals, again with centre detent and similar

operation to the HF control.

1.08 PFL - Select (Pre-Fade Listen)

This switch routes the pre-fade signal (not controlled by the fader), to the PFL display

on the master module and to the headphone amplifier. The switch will automatically

cancel previous selections and two or more can be selected simultaneously.

1.09 Start Switch

When connected to suitable equipment, this switch can be used to start turntables, CD

players and tape decks etc.

1.10 Peak LED

This red LED is used to indicate that the channel has reached or is very close to the

threshold of distortion. The gain control must be reduced and set in accordance with

1.02.

1.11 AUX 1 and AUX 2 - Auxiliary Sends

The auxiliary send controls provide a useful, flexible output facility that can be used to

interface a variety of units for signal processing, such as sampling or digital delay

effects.

They can also be used as a flexible extra output facility. Unless configured differently

by the installation engineer, the factory settings for the Aux outputs are:-

AUX 1 is normally configured to operate with pre-fade signals (i.e. signals not

controlled by the fader).

AUX 2 is normally operated in the post fade mode (i.e. signals are controlled by the

fader.

30-08-02 V4.0

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Cloud CXM User's Guide Page 6

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