Nilfisk-ALTO DIGITAL X OVER user manual Introduction, Front Panel

1.INTRODUCTION

Thank you very much for expressing your confidence in LTO products by purchasing our LTODRIVE3.4 . With the LTODRIVE3.4 you have acquired an extremely musical and flexible Active Crossover which will provide you also the subwoofer application.

Our new LTODRIVE 3.4(2 inputs , 6outputs , matrix-like operation X-over) allows the user to work with the quality of the 2/3 by 24 32-bit DSPs, permits extremely precise and fast speakers control and equalization for PA systems with the power of a matrix process allowing each kind of combination in assigning the 2 inputs to the 6 outputs. The LTODRIVE 3.4is based on2/3 extremely powerful , high-speed 24 32-bit DSP and very high quality 20-bit A/D and 24-bit D/A converters, preserving the pureness of analogue sound in your digital applications. The 128 64 graphical display and the 14 buttons and the relative encoder available on the front panel, offer an easy way of editing data, so to create new custom powerful and exciting presets which may then be stored in the unit as user's presets . The integrated MIDI interface permits real-time editing with a powerful pc based SW or a MIDI standard sequencer.

Both input channels feature a digital , high quality filters 5-band parametric equalizer, allowing boost/attenuation of 15 dB in 0.5dB increment's steps. On each output channel is possible to have a 4th order low pass and a high pass filters, limiter /compressor and polarity switchable 0 or 180 .

2.FEATURE LIST

Single Rack Unit

Robust and Compact Design

24 32-bit High Speed Signal Processor

Open Architecture for Easy Software Updates

Windows Editor for Easy to Use and Powerful Pc Based MIDI Remote Control

5 Parametric EQ for Each Channel

Band Pass Filter Available (Until 24dB/Oct) for Each Output Channel

Up to 0.5 sec. of Delay per Channel by Step from 21 ms to 2ms

Lock-System for the Editing Functions

Manufactured Under ISO9001 Certified Management System.

3.FRONT AND BACK PANELS DESCRIPTION

3.1.The Front Panel

		8	6	5
	CLIP
	-6
	-12
	-18	UP	ENTER
LTOR	-24
	-30
	LEFT		RIGHT
		DOWN	ESC

3 2

UTILITY	MUTE CH1	MUTE CH3	MUTE CH5		LTODRIVE3.4
					3-WAY Stereo
				ON
					Digital X-Over
				OFF
EDIT	MUTE CH2	MUTE CH4	MUTE CH6
				POWER

13 12 11 10 9 7 4 2 1

1.Power SW with LED

2.Mute buttons and LEDs for CH1, CH2, CH3, CH4, CH5, CH6 3.Utility key and LED

4.Edit key and LED 5.Dial knob(encoder) 6.Enter key

7.ESC key 8.Up key 9.Right key 10.Down key

11.Left key 12.Graphic display 13.Vu-meters

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