Sonifex SOVEREIGN MX-14S, Руководство пользователя, Страница: 27 / 65

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With the PFL button depressed, the incoming signal on this channel is routed to the PFL
bus so that it can be heard in the Monitors section ( by selecting Auto-PFL ). The PFL only operates
when the fader is fully down, unless jumper J11 is not fitted when the PFL will operate with the
fader either up or down. PFL is active when the Yellow LED is illuminated in the button.
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The On button can be used to start and stop ( selectable by jumper settings ) a
remote piece of equipment, as well as working in conjunction with the fader open signal to allow
output from the channel. For the fader to operate, the On button must be illuminated. The Green LED
in the button glows at two brightnesses. If the fader is down when the On button is pushed, the LED
glows at half brightness and the circuitry can be regarded as being armed. To activate the circuitry,
the fader should be moved away from the down position - the LED then glows with full power.
If the On button is pushed while the fader is already away from the down position,
the remote circuitry will be enabled as soon as the button is pushed.
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The 100mm long throw ALPS VCA fader provides a unity gain ( 0dB ) when fully
open. The scale shows the attenuation. The fader open signal is produced by a voltage detecting op-
amp and is disabled when the fader is in the fully down position. The fader open signal is used for the
fader starttimer functions. The channel input is routed to the outputs whenever the fader is open and
the On switch and output switch are selected.
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A white pad is provided at the bottom of the module on to which you can write the
function of the channel, for example, “CD 1”.