Front Panel Layout
The face of a UPA‐7 is shown above. Although there is variation within the Ultra Series amplifiers (size and faceplates), the basic features are the same: a power button and LED Status window.
1.Front Panel LED Display
The front panel display contains Status LED lighting to indicate the operation status of the amplifier.
•NO LED = Amplifier is OFF
•BLUE LED = Normal Operation
•FLASHING RED LED = Fault Condition ‐ see “Troubleshooting” section for details.
Note: The back panel of each amplifier has an LED Status Selector which can turn the blue LEDs off.
2.Front Panel Power Switch
This switch provides the ON/OFF control of the amplifier from the front panel. When the unit is off and in standby mode, the switch illuminates amber. Automatic switching is accomplished with the 3.5mm trigger input on the back panel using a 5‐12V DC control signal.
Note On Amplifier Supports:
Do not remove the supports or ‘feet’ from your amplifier. In addition to minimizing vibration and insulating the amplifier from the surface it is placed on, these feet are essential in allowing airflow under the amplifier for proper cooling.
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