Krell Industries EVOLUTION TWO MONAURAL PREAMPLIFIER Front Panel Description, Chassis, Power

Front Panel Description

See Figure 1 on page 15

Each Evolution Two Monaural Preamplifier channel is comprised of two chas- sis, the preamplifier chassis and the power supply chassis. Front panel func- tions and their descriptions follow.

Chassis

1Preamplifier Chassis

The preamplifier chassis front panel provides power on, input and zone selec- tion, level control, menu functions, and status display.

2Power Supply Chassis

Powerful transformers, high quality regulators, and extensive electrical and magnetic shielding are housed in a separate power supply for each preampli- fier channel.

Power

3Power Button or Key

Use this button or key to switch the Evolution Two between the stand-by and operational modes.

4Stand-by LED

The red stand-by LEDs on the preamplifier and the power supply illuminate when the Evolution Two is plugged into a standard AC wall receptacle, indicat- ing that the Evolution Two is ready to be switched to the operational mode. The stand-by LEDs flash when remote control signals are received.

5Power Backlight

The blue power backlight illuminates when the Evolution Two is in the opera- tional mode.

Remote Functions on the Front Panel

6Infrared Sensor

The infrared sensor receives commands from the Evolution Two remote con- trol. For proper remote control operation, make sure the infrared sensor is not covered or obstructed.

7Infrared Transmitter LED

The stand-by LED (4) on the preamplifier chassis (1) flashes when the Evolution Two sends signals via the infrared transmitter LED to a programmable remote control, such as the Universal Krell Touch Screen Remote. See IR Out Control, on page 40.

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