www.altronics.com.au
Redback® Proudly Made In Australia 31
Redback® A 4480B
8 In to 8 Out Audio Switcher
Peripheral Connections
7) Button Actions
The buttons can be set to have visual, vibration and sound feedback by accessing this menu function.
There are three different actions available for button presses.
• BEEP - a buzzer will sound each time a button is pressed.
• HARPIC - the wall plate will vibrate each time a button is pressed.
• BACKLIGHT TOGGLE - the LCD backlight will toggle OFF and ON for each button press.
Each of these can be turned ON or OFF independently via this menu function.
8) Set Time
The time displayed on the main screen can be adjusted here. The hour, minute and day can be all be modified (Note: there
is no seconds displayed). The time is backed up by a CR2032 battery (supplied).
9) Disable Inputs
By using this function any of the eight input sources can be disabled, so that they are not available to the zone. Press the
Disable Inputs button and then highlight the zones to be disabled. Once the inputs are disabled the buttons will be displayed
in a light blue colour on the LCD. These highlighted buttons now inaccessible.
5.3 A 4931 LOCAL MICROPHONE/LINE INPUT WALL PLATES
The A 4931 local input wall plate provides a means of overriding the
input to a zone with a local input source located in that zone. An ex-
ample may be a mobile phone for background music or a microphone
for speeches at a wedding function. The A 4931 local input plate has
connections for a 3 pin XLR microphone, dual RCA line level input and a
3.5mm line level input for portable devices.
Fig 5.5 Front View of A 4931 Local Input Wall Plate
The A 4931 Local input plate has to be connected to the A 4493 Remote Source Selector plate for the zone. Each A 4493
remote plate can have a maximum of one A 4931 local input plate connected to it. Connection between the two plates is
made via a Cat5e cable and is connected as shown in fig 5.6.
Fig 5.6 Connection of the A 4931 Local Input Wall Plate to the A 4493 Input Source Wall Plate
To
A 4480A
1 2 3 4
ON
Rear of A 4931 Local Input Wall Plate
Rear of A 4493 Wall Plate
