EAW DX810 Instruction Manual download pdf (Page 10)

10 – DX810

Bus A and B Input Trim

There is no metering after the BUS A and B input

TRIM controls. These controls must be adjusted by

ear. Start the program source playback for all

sources connected to the BUS A or BUS B input.

Slowly increase the TRIM control to the center

position (12 o’clock), which is unity gain. Then

adjust the TRIM control up or down to attain a

balance within the total mix at the A and B outputs.

Accessing the Digital Signal Processors

The DX810 has five powerful floating-point 32-bit

digital signal processors (DSPs) to implement the

digital audio processing functions. Access the

processing windows by clicking on their buttons in

the Button Section, or double-clicking on the DSP

name in the Input Proc or Output Proc windows.

• Input 3-Band Shelving EQ With Parametric

Mid-Range Control

• Output 8-Band Parametric EQ

• Output 31-Band 1/3 Octave Graphic EQ

• Input/Output Compressors

• Input Gate

• Output Delay

• Crossover

Software Updates

Check the EAW Commercial website at

www.eawcommercial.com for new information and

updates to the DX810 software and firmware.

USING INPUTS 1-8

Connect the microphones or program sources to

Inputs 1-8. Examples of program sources include a

CD player, tape deck, tuner, satellite feed, TV audio,

jukebox, or other audio source. Each input has a

separate Phoenix-type connector for a mic or line-

level input.

TRIM

Use the TRIM control to adjust the gain of the input

preamp stage according to the level of the input signal.

Refer to the “Quick-Start” section (Set the Levels) for

instructions on how to set the TRIM controls.

LEVEL

The up/down arrow buttons on each channel are

used to adjust the mix level for each channel going

to the A and B outputs (use the on-screen faders for

outputs C-J). Use these to fine tune the mix or

relative loudness of each input signal that is

connected to the DX810.

When adjusting these buttons, the channel

meter indicates the gain of the channel relative to

the maximum gain of +10 dB. After 5 seconds, the

meter reverts back to indicating the actual input

signal level of the channel. This metering is pre-EQ

and pre-LEVEL control.

Unity gain is indicated when the –10 and –7 dB

LEDs are both lit on the meter (or “U” on-screen).

Each Input 1-8 has a 3-band shelving EQ with a

parametric mid. This is adjustable from the PC only.

It provides 15 dB of boost or cut with user selectable

corner and center frequencies (LO: 20 Hz-500 Hz;

MID: 20 Hz-20 kHz HI: 500 Hz-20 kHz).

USING THE BUS A AND B INPUTS

These inputs provide a direct analog connection to

the BUS A and B buses. These input points are post-

DSP and post-D/A converter, and accept a balanced

analog line-level signal. Use these to connect an

additional program source to a zone, or to connect

the Zone A and B outputs from another DX810.

TRIM

Use the TRIM control to adjust the signal level at

the BUS A and B inputs. Typically, this control

would be set to the center detent position (unity

gain). However, it can be adjusted up or down by 20

dB to achieve a balance between the signal at the

BUS A and B inputs, and the signal on the internal

A and B buses.

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EAW DX810 Instruction Manual Page 10

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