AUDAC PMX124 User Manual download pdf (Page 7)

Front Panel Controls

Channel Control Section

1. Peak LED indicator:

These LED indicators light-up when the level of the input

signal reaches 5 dB below the channel’s clipping point. It

shows the level of the POST-EQ /PRE fader signal.

When it lights up frequently, the ‘Trim Control’

potentiometer has to be used to decrease the input

sensitivity of the channel. When this causes no

improvement, the output level of the connected source has

to be reduced.

2. Trim Control:

With this button, the level of the input signal can be

adjusted to an appropriate level. The best signal/noise and

dynamic range balance will be reached when you adjust the

‘Trim Control’ so that the ‘Peak LED indicator’ lights-up

occasionally. The input sensitivity of a Mic channel can be

set between -50 dB and -6 dB, the input sensitivity of a

Line input can be set between -30 dB and +14dB and the

sensitivity for a Mono/Stereo combination channel can be

set between -20 dB and +20 dB.

3. HPF (High Pass Filter):

This switch toggles the HPF ON and OFF. To turn the

HPF on, make sure the button is pushed-in. The HPF cuts

frequencies below 75Hz.

4. 3-Band equalizer controls:

This is a 3-band equalizer whose center frequencies, range

and type are shown in the table below. The frequency

response is flat when the knob is set in the ‘0’position.

Chapte

1 2 3 4 5 6 7 8 9 10 11 12 ... 23 24

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AUDAC PMX124 User Manual Page 7