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MIXER & SOURCE SELEC TORS
In mix mode, each button you press will select that source allowing multiple sources to be
mixed to a single output. Pressing the button again will switch off a source.
There is also a remote input to inhibit the front panel switches. When the front panel inhibit
is active, pressing the front panel switches has no effect on the current channel selection.
Front Panel Gain Controls
The input gain can be individually adjusted for left and right channels through pre-set
potentiometers which are accessible through the front panel. The gain range of the input is
-8dBu to +20dBu.
Headphone Output
The front panel headphone output is a ¼" stereo jack socket and is designed to drive
150mW into 32Ω - 600Ω professional headphones.
Volume Control
The volume control is used to alter the headphone output. It can also be used to alter the
main XLR output levels by using a rear panel switch to enable/disable the control.
Additional Modes
An option to set the unit in different modes of operation is available and can be configured
at anytime while the unit is powered.
There are currently three modes of operation: Alternate mode, Latched mode and Protected
Alternate mode: -
Alternate Mode
In this mode the channels are selected and deselected by a press of the button, as described
previously.
Latched Mode
In this mode the selected channel is active only while the button is pressed. As soon as
button is released the channel becomes inactive.
Protected Alternate Mode
Operates in a similar manner to the Alternate mode, but a channel cannot be turned off
unless switching to another input or while operating in mix-mode and there is more than
one channel active. In other words, there will always be a channel routed to the output.
NOTE: after setting this mode there will be no channel selected.
Configuring the Additional Modes
While the unit is powered, hold down the input 10 button and press the input 5 button
five times. Once completed, the input 10 button will start to flash and the first 3 input
buttons will display the current operating mode (as shown below). To change the mode,
simply press the input 10 and the buttons will indicate the newly selected mode. Once the
required operating mode has been set the unit will restart within five seconds from the last
button press.
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Redbox User Handbook No 3
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