Nilfisk-ALTO 3.4 User Manual

Page 8

And the system Will enter into default status, showing the main operating information on the display.

Load the

containing the

you've found.

Factory PRESET

configuration

Press the

Key until the

menu LED lights up.

MODE

PRESET

The display will show the

page:

Load PRESET

Set all the MAXIDRIVE3.4 outputs in

status (LEDs lit) by pressing the relative keys.

MUTE

the PRESETS

Use the

to find the necessary Factory PRESET (indicated by the letter ). Check that if, among

DIAL

available, there are already some optimised for the specific speaker enclosures being used.

Press

ENTER

The display shows the PRESET loaded in the units memory and the relative configuration:

Proceed as follows:

Keep the MAXIDRIVE3.4 outputs in

status (LEDs light on).

MUTE

MAXIDRIVE3.4's

Feed a signal in on the

input and watch the

LED ladders.

INPUT LEVEL A-B

To obtain a good signal/noise ratio, i.e. an up-front distortion-free signal, keep the signal quite high, but make

certain the red CLIP LED doesn't light up continually.

MAXIDRIVE3.4

Adjust the

input gain if necessary:

Press the

key until the

menu LED lights up.

MODE

EDIT

Use the

and

keys to go to the

page:

PREV

NEXT

Input Gain

It is much more important to set the input signal of a digital unit than that of

excessively

an analog unit, because

high input signals will make

particularly distinct noise (high

any saturation of the A/D converters cause a typical

level square wave).

(example)

Press ENTER.

The display will show the

page (according to the configuration

INA Gain or INA&B Gain

and other utilities loaded

in the memory):

A 1 3

B 2 4

S 5 6

2 x 2 W + 2 M A X

L o a d

2 x 3 W

P r e s e t

4.2 Adjusting the input signal

A 1 3

B 2 4

2 x 3 W

I n p u t

G a i n

Find out the output level setting for your mixer (or other unit) and connect it to the input of the MAXIDRIVE3.4.