Functionality; Front Panel - Optimus UP-1000E1 Manual De Instalación Y Funcionamiento

4. FUNCTIONALITY

4.1. Front panel

(1) Power ON/OFF switch:
It turns on and off the amplifier.
(2) POWER indicator:
It lights when the amplifier is working.
(3) CLIP, SIGNAL, PROT and TEMP indicators:
The red LED CLIP lights when the signal level is near the saturation limit.
The green LED SIGNAL lights when audio signal is detected in XLR or JACK Line inputs.
The red LED PROT lights when protection circuit is activated, which may be due to an
overload or short circuit in the speaker line.
The yellow LED TEMP lights when the internal amplifier's temperature reaches dangerous
levels for it.
(4) Volume control:
Turning the potentiometer clockwise, increases amplifier's volume.
UP-1000E1 Version 1.0
UP-1000E1
Fig 1. Front Panel UP-1000E1
Amplifier
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