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CM-CU21 Mains Controls & Indicators 2
CM-CU21 Main Panel Controls & Indicators
Fig 2-3: Top Panel View Of CM-CU21
The main or top panel of the Commentator Unit is
split into four areas. To the left and right are the
main commentator position controls, with the third
commentator/guest position controls located in
the centre, below the power indicator, mix output
limiter active indicator and the PPM meter display.
On Air Buttons
The On Air buttons route the commentator
microphone input signal to the corresponding
Comm output and to both of the Mix Outputs,
where it is mixed with all other active commentator
signals. These buttons have a latching action; press
to activate and press again to deactivate. When an
On Air control is active, the button illuminates red
and the corresponding open collector driver output
on the GPIO port is activated.
A temporary mute function is available which can
be used to interrupt the microphone signal on an
active On Air channel. By pressing the active On
Air button, any unwanted noises such as coughing,
can be removed from the audio outputs. Please
note: for this function to be available on a specific
commentator position, the associated On Air
button configuration mode must not be set to
permanently disabled or selected, the temporary
mute configuration option must be enabled and the
On Air lock switch on the rear panel must be in the
on position. See Configuration Options on Page 23
for details of how to change these settings.
