BEL DIGITAL AUDIO Bel2120B
2004 BEL Digital Audio Ltd. 9
OPERATION
The BEL 2120 Shuffler can operate in either the Matrix or the Mixer mode.
Matrix mode operation
In the quad matrix mode of operation each of the four output channels can
have one of the inputs associated with it. The inputs can be derived from the SDI ,
AES or analog inputs. The gain and phase of each input can be modified, depending
on the state of the FAD, MAT and BYP controls, before being passed to the output.
The LCD display, in this mode, shows the 4 output channels, their associated input
and its gain or phase modification.
To operate in the quad matrix mode first ensure that quad matrix is selected in
the setup menu. The Matrix modes can be confirmed if the amber LED to the right of
input switch 4 is extinguished. Then select the OUTPUT required by depressing the
appropriate numbered switch on the lower horizontal row. The output selected will be
indicated by a solid line on the matrix on the LCD display, the current input channel
associated with this output is indicated by the LED. If required the input channel can
now be changed by depressing the required switch on the upper row. The level of that
channel can be adjusted by depressing the nudge ∧∨keys, the current level in dBs
will be shown on the LCD display. A phase reversal can be applied to the input
channel by depressing the INV switch. The phase reversal is indicated by a ↓symbol
on the LCD display positioned beside the corresponding output.
The dual matrix mode is identical to the quad matrix mode except that level
adjustments are applied to pairs of inputs. This feature facilitates accurate tracking of
stereo pairs. The dual matrix mode can be selected in the setup menu.
