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Operating Manual - PROTEA™ DSP480 and DSP360 System Processors

4 . FRONT PANEL CONTROL FEATURES

To the right of the LCD display

are two unlabeled function keys and a

rotary data wheel. All audio and system

parameters are edited using these three

controls. Each of the two lines of text

on the LCD display correspond to a

dedicated function key, so that various

tasks on both lines may be selected using

their respective keys. The selected task is

highlighted by a flashing underscore beneath the word or number, and the parameter is then adjusted up or down with the data

wheel. The Esc key will exit any activity and return to the top level showing the preset number and name.

The DSP480 and DSP360 are organized into 30 programmable presets, each completely defining the configuration of

all inputs and outputs along with their respective audio components. There are ten repeating preset configurations pre-loaded

into the unit which are simply starting points for common applications, and all can be modified, renamed, and saved to suit the

end user. Please Note: In addition to the 30 preset numbers, a constantly refreshed Working Preset is used to take a "snapshot"

of all current settings should the unit be turned off before changes can be saved.

When the unit is first powered up, the last working preset is loaded, displaying the number and name last used before

the unit was turned off. Any modifications made to that preset before saving it will remain in the working preset until either the

modified preset is saved, or a fresh preset is recalled. When modifications to an existing preset are made without saving, the

display adds the text (modified) after the preset number.

There are four XLR audio inputs on the

DSP480 (three on the DSP360), and each input is

processed independently and may be routed to one

or several outputs. Select an input to edit its Gain,

EQ, and Delay settings, or to mute it. Signal routing

occurs in the output section.

There are eight outputs on the

DSP480 (six on the DSP360), and each

output can obtain its source from any

input or combination of inputs. Select

an output channel to edit its Source,

Gain, Polarity, EQ, Delay, Crossover, or

Limiter functions.

Each input and output has a five segment LED array for audio level display, ranging from -20 through clipping. The

-20 LED is two-color, also serving as the Mute indicator by turning red. The meter scale is factory set so that 0 on the meter is

0dBu (0.775Vrms), however it can be easily changed to VU scale (0 = +4dBu, or 1.228Vrms) within the Util menu.