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Redback® Proudly Made In Australia
5
Fig 1.4
shows the layout of the front panel.
Fig 1.4
1
Inputs 1-6 volume controls
Use these controls to adjust the output volume of inputs 1-6.
2
Optional Music Input Module
Remove this cover to install optional music input module. This module over-rides the rear input 6 and is
adjusted via the volume 6 pot.
3 LCD
Displays amplifier status, input and output levels, heatsink temperature, faults, voltage input and input labels.
4
Power Switch
Use this to turn the unit on.
5
USB - PS2 compatible keyboard input.
Use a
standard PS2-USB keyboard (such as Altronics D 2111) to label inputs, installer information and to
access some additional features. (see section 1.10 for more details)
6
On Indicator
This led indicates the unit has power.
7
Fault Indicator
This led indicates when the amplifier has a fault.
8
Master Volume
Use this control to adjust the master volume. This is a mutli-turn adjustable control.
9
Bass and Treble Controls
Use these controls to adjust the bass and treble.
10
Music Input
Use this input to connect a portable music player. This input over-rides the rear input 6 and the optional
Music input module (if fitted) and is adjusted via the volume 6 pot.
11
Vox level controls
Use these controls to adjust the vox sensitivities of inputs 1-3.
1.4 FRONT PANEL GUIDE
Overview
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+
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Power
Fault
INPUTS
Model : A 4275
125W
Mixer Amplifier
Treble
Bass
Master Volume
On
1
2
3
4
5
6
Vox
Vox
Music
Input
Keyboard
Vox
