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Overview
1.4 FRONT PANEL GUIDE
Fig 1.4A shows the layout of the A 4480B front panel.
1
2
3
4
5
Input 1
Input 2
Input 3
Paging
Console
Bass
Bass
Bass
Signal
-
+
Treble
Treble
Treble
Emergency
Signal
Signal
Signal
Signal
Input
Signal
Vol 1
Vol 2
Vol 3
-
+
1
Emergency microphone volume control
Use this control to adjust the volume of the emergency microphone input.
2
Emergency microphone signal present indicator
This LED illuminates to indicate a signal is present at the emergency microphone input.
3
Paging microphone signal present indicator
This LED illuminates to indicate a signal is present at the paging microphone input.
4
Paging microphone volume control
Use this control to adjust the volume of the paging microphone input.
5
Inputs 1-8 signal present indicators
These LEDs illuminate to indicate a signal is present at the corresponding RCA inputs.
6
Inputs 1-8 bass and treble controls
Use these controls to adjust the bass and treble of the 8 input sources as desired.
7
Zone volume controls
Use these to adjust the volumes of the zones.
8
Zone selection buttons
These buttons select the output zone.
9
Preset selector button
This button is used to select pre-programmed preset configurations. (See section 4.4 Presets).
Public address on/off button
This button is used to switch on or off the general paging to a particular zone. (See section 3.3 for more
information). This does not block emergency paging.
Program isolate button
This button is used to isolate inputs from a particular zone. (see section 3.4 for more information)
Help button
Pressing this button provides help on the selected option. (See section 7.0 Help).
Confirm button
This button is used to confirm your selected changes. Push "confirm" and "cancel" buttons at the same time
to lock and unlock the front panel controls.
Cancel button
This button is used to exit from the current menu or cancel the selected option. Push "confirm" and
"cancel" buttons at the same time to lock and unlock the front panel controls.
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Redback® A 4480B 8 In to 8 Out Audio Switcher
6
Input 4
Input 5
Input 6
Input 7
Input 8
Zone 1
4
6
Bass
Bass
Bass
Bass
Bass
2
8
2
0
10
Treble
Treble
Treble
Treble
Treble
Zone 2
4
6
2
8
2
Signal
Signal
Signal
Signal
0
10
Vol 4
Vol 5
Vol 6
Vol 7
Vol 8
7
One
Zone 3
Zone 5
Zone 7
Two
4
6
4
6
4
6
8
2
8
2
8
Three
0
10
0
10
0
10
Four
Zone 4
Zone 6
Zone 8
Five
4
6
4
6
4
6
Six
8
2
8
2
8
Seven
0
10
0
10
0
10
Eight
Fig 1.4A
8
9
A 4480B
8 X 8 Audio Switcher
Presets
PA on/o
Isolate
Help
Con rm
Cancel
13
Redback® Proudly Made In Australia
10
Power
11
Keyboard
USB
12
7
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