14
DN3816
There are two possible configurations for inputs IN 1 to IN 4: Line input (0 dBm) or Micro input (-52 dBm). In addition,
when audio inputs 1 and 2 are set to Micro, these can be supplied a phantom power supply for powering electret
microphones. Whichever configuration is to be used, follow the procedure below to set the inputs according to the
desired application.
To change the audio input type (IN 1, IN 2, IN 3 and IN 4), place the relevant jumper on the corresponding MIC or
LINE pins as required. To enable a phantom supply (SUPPLY 1 and SUPPLY 2) on the corresponding inputs IN 1 or
IN 2, fit the corresponding SUPPLY jumper:
First ensure that the DN 3816 is switched off and that the power cable is unplugged before opening up the
unit.
To avoid electrostatic discharges, first ground yourself using an earthing lead before opening up the DN
3816.
Open the cover by undoing the two screws on the rear panel.
Locate the jumpers on the interface board located on the unit’s rear plane and place them in the required
positions.
Summary of possible configurations:
IN 1
IN 2
IN 3
IN 4
Type
Jumper
Type
Jumper
Type
Jumper
Type
Jumper
Select
Micro/Line
Mic
Line
IN1 MIC
IN1 LINE
Mic
Line
IN2 MIC
IN2 LINE
Mic
Line
IN3 MIC
IN3 LINE
Mic
Line
IN4 MIC
IN4 LINE
Phantom power
SUPPLY 1: YES/NO
SUPPLY 2: YES/NO
NO
NO
8.2
Software configuration
8.2.1
Functional definition
This section covers all the parameters that need to be set to determine how the matrix should work.
8.2.1.1
Setting the audio input source parameters
These parameters can be set under the «
Sources Types » tab.
An audio input signal can be directed (switched) to one of the audio output channels if the audio input
channel has been activated. An audio input channel may be activated by several trigger signals which
depend directly on the parameter set under the «
Sources Types » tab. The various trigger types are:
Modulation detection
Data link
Persistent
GPI remote control
GX 3016
External
In addition, each source type may be set to either « Speech » or Music. The complete range of source
types available is therefore as follows:
Speech type
o
Speech sound detection
o
GPI remote controlled speech
o
GX 3016
o
Data link
Music type
o
Persistent music
o
Music sound detection
o
GPI remote controlled music
IMPORTANT: As regards inputs IN 1 and IN 2, ensure that jumpers SUPPLY 1 and SUPPLY 2 are
not fitted if the input is configured as a Line input, otherwise the unit will not operate correctly.
N.B.: Audio inputs IN 5 to IN 8 are fixed Line inputs and cannot be changed.
Summary of Contents for DN 3816
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