User Manual

Redback® A 4275B/85B 125/250W Mixer Amplier
www.redbackaudio.com.au Redback® Proudly Made In Australia 9
Redback® A 4275C/85C 125/250W Mixer Amplier
Fig 1.9
8 VU Meter
Displays the output of the amplier in 5dB
increments.
9 VU Level
Displays the actual dB output of the amplier.
10 Servicing/Installer label
The Amplier can be given a label which the installer can use for servicing details (such as “For service
Call 1300 123 456”) (see section 1.10 for more details).
11 Input labels
The Amplier has 6 inputs which can all be labelled (such as DVD,CD Tuner etc)
(see section 1.10 for more details).
12 Master Volume Level
Displays the actual master volume level.
13 Master Volume Meter
Displays the master volume level in 10% increments.
14 Signal Presence Indicator
Indicates when the amplier has an input signal.
15 Emergency Tones Indicator
Indicates when the optional A 4573 Alert/Evac Module is active.
16 Current Limit Indicator
Indicates when the amplier is drawing its maximum current.
Overview
10%
-40dB
ZONE LABEL
SIGNAL
C/LIMIT
MAINS ON
24VDC ON
V/LIMIT
-35dB
-30dB
-25dB
-20dB
-15dB
-10dB
-5dB
0dB
20%
30%
40%
50%
60%
70%
80%
90%
100%
32
SERVICING/INSTALLER LABEL
INPUTS
1) INPUT 1
1) INPUT 2
1) INPUT 3
1) INPUT 4
1) INPUT 5
1) INPUT 6
H/SINK TEMP
1 2 3
30
4 5
6
7
8
9
1011
12
13
1
15 16
CURRENT LIMIT
EMERG TONES
PROTECT MODE