OXYGEN 4 DIGITAL control surface is divided into two distinct areas on the
conventional lines of input and master sections.
The input channels comprise eight identical strips.
Starting from the bottom we have a full size fader which obviously controls the
level for whatever source is routed to that channel, but in software it can also be
configured to perform fader start, red light switching and monitor muting.
Above and to the left of the fader, a group of eight LEDs show status information for
that strip.
The two larger ones indicate which of the two main output busses the strip is routed
to: Programme or Sub.
This signal is always post-fade and post the channel’s On switch. The ‘Sub’ buss would
usefully provide a stereo clean feed to (for example) external codecs.
The next group of three indicators is dedicated to the aux buss and the assignable
EQ and dynamics. The aux buss is stereo and may be selected independently on each
channel as a pre or post-fade send.
Each OXYGEN 4 DIGITAL channel may also be assigned a ‘dynamics’ control function
a combined compressor-limiter with a single control.
The EQ provides 3 bands, each with a range of 2 octaves. The pre-set centre
frequencies of 120Hz, 1.2kHz and 12kHz are sensible choices, but they maybe
changed in software should other values be preferred.
A simple three LED meter is provided on each channel indicating audio levels at -20,
0 and +9dB.
Each strip supports two large illuminated buttons labelled ‘On’ and ‘Cue’.
The On button functions pretty much as you would expect, and it may additionally
be configured to provide a machine start command.
The Cue button enables a pre-fade listen, and this too may be configured in software
for various other functions.
At the top of the channel are the two most obviously digital controls: a single rotary
encoder and a 2 line LED alpha display.
The latter shows the currently assigned input on the top line, while various options
are displayed on the lower line.
The encoder maybe turned or pushed, depending on what function is currently
selected.
For example, switching to an output buss is achieved by pushing the knob to switch
the selected buss routing on or off, whereas setting an input level is a rotary function.
CONTROL SURFACE: Channel Strip
CONTROL SURFACE: Master Section
The right hand master section is topped by a pair of LED level meters, scaled from
-36 to +9dB.
Below this, two banks of switches cover the function assignment to the channel
encoders, and source selection for the monitors.
There are also level controls for the monitor speakers and headphones - the latter
with a socket on the rear of the control sur face.
A memory card slot on the control surface can be used to save desk configurations
for instant recall, and individual users may be granted different levels of access to the
various desk functions - an excellent solution to situations where ‘finger trouble’ is a
problem.
MASTER SECTION
CHANNEL STRIP
Axel Technology also supplies a couple of
programs to help new users get around the
desk.
The first of these is a simple utility to adjust the
channel equalisation.
The second is an Active-X applet that generates
a virtual console on your computer screen,
showing all of the desk’s settings and enabling
real time adjustments too.
With this utility, it is possibile to control the
digital engine from any PC connected to the
same network as the console.
OXYGEN 4 DIGITAL 4 + 4 CHANNELS
(8 pages)
(35 pages)
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