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User's Manual
3 WAY STEREO
LTODRIVE3.4
DIGITAL X OVER
R
LTO
www.altoproaudio.com
Version 1.2 January 2003
English
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SAFETY RELATED SYMBOLS wire or disconnect the wiring of protective grounding terminal. CAUTION RISK OF ELECTRIC SHOCK Operating Conditions DO NOT OPEN This apparatus shall not be exposed to dripping or splashing and that no objects filled with liquids, This symbol, wherever it appears, alerts you such as vases, shall be placed on this apparatus. to the presence of uninsulated dangerous voltage To reduce the risk of fire or electric shock, do not inside the enclosure-voltage that may be su- expos
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PREFACE Dear Customer: Thanks for choosing LTODRIVE3.4 and thanks for choosing one of the results of LTO AUDIO TEAM job and researches. For our LTO AUDIO TEAM , music and sound are more than a job... are first of all passion and let Us say our obsession! We have been designing professional audio products for a long time in cooperation with some of the major brands in the world in the audio field. The LTO line presents unparalleled analogue and digital products made by Musicians for Musicians in
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TABLE OF CONTENTS 1. INTRODUCTION ............................................................................................................4 2. FEATURE LIST ..............................................................................................................4 3. FRONT AND BACK PANELS DESCRIPTION.....................................................................4 3.1 The Front Panel 3.2 The Rear Panel 4. INSTALLATION & CONNECTION .....................................................
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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 pow
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Power SW with LED (1) Turns the apparatus on and off. Press this SW, the power LED inside the SW will turn on. Dial Control knob (5) Used to change editable values. 3.2.The Rear Panel PUSH PUSH MIDI AC INPUT 95-240V 60-50Hz Rated Power Consumption 15W NEW TIDE NEW TIDE FUSE: MODEL 210-240V: T250mAL 250VAC 3 3 95-120V: 500mA 250VAC 21 21 REPLACE FUSE WITH CORRECT TYPE ONLY Apparaten skall anslutas till SERIAL jordat uttag nar den ansluts OUTPUT THRU INPUT OUTPUT6 OUTPUT5 OUTPUT4 OUTPUT3 OUTPUT2 O
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4.2.Operational Overview At system startup the following splash screens will be shown on the graphic display. ALTODRIVE3.4 Version1.0 Wait Init System The LTODRIVE is booting and initializing its hardware and software, loading the last used preset and the user interface. The process lasts a few seconds, afterwards the system goes to the Utility Menu (Utility Led is ON). 4.2.1 UTILITY MENU The Utility menu is accessed by means of the Utility key (Utility Led is ON). The display shows as flowing f
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To save a preset it is necessary to select the Preset item; using the dial it is possible to choose the desired preset number, to be confirmed pressing the Enter key. After data saving, a character string (preset name) will be shown to the user for editing (max 8 chars). STORE Name: EMPTY Num: 02 1/1 PRESET 01 Using Left and Right keys the user can move into the string, with the dial the blinking character can be edited, Enter confirms the choice and Esc cancels operation allowing to maintain th
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123456 LIMITER PRESET 01 2/ 2 e. Password With this function the user can decide if the device has to be protected from unauthorized tampering: PASSWORD 000000 NEW PASSWORD PRESET 01 1/1 With the Up/Down key it's possible to select the Password, New Password and page number items; selection is highlighted printing the item in reverse color. PASSWORD 000000 NEW PASSWORD PRESET 01 1/1 To have complete access to the system, the fields PASSWORD and NEW PASSWORD must match. If the user wants to restr
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a. Routing This function allows to configure the signal input/output path: 1/1 indicates the number of page; when it's selected it is possible to get back to the main menu pressing the Esc key. ROUTING 1 2 L O 3 IN U 4 R 5 T 6 PRESET 01 1/1 With the Up/Down keys it is possible to select the inputs and the outputs sequentially. In the pictures below the selection sequence is shown. ROUTING ROUTING ROUTING 1 1 1 2 2 2 L O L O L O 3 3 3 IN IN IN U U U 4 4 4 R R R T T T 5 5 5 6 6 6 PRESET 01 PRESET
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This graphic screen shows the frequency response of the channel. Use Up/Down/Left/Right keys to select one of the five fields: Page Number, Filter Number, Gain, Frequency, Bandwidth. The selected value can be changed by means of the dial. The selected filter's frequency will be shown by a vertical segment on the display (see above). When a filter parameter is modified, the audio signal is processed real-time, while the picture on the display waits briefly to update. During this waiting time, an
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This graphic screen shows the frequency response of the channel. Use Up/Down/Left/Right keys to select one of the five fields: Page Number, Filter Number, Gain, Frequency, Bandwidth. The selected value can be changed by means of the dial. The selected filter's frequency will be shown by a vertical segment on the display (see above). When a filter parameter is modified, the audio signal is processed real-time, while the picture on the display waits briefly to update. During this waiting time, an
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POL. DIR POL. DIR THR. 00 dB THR. 00 dB REL. 0.4 S REL. 0.4 S ATK. 0.05 S ATK. 0.05 S PRESET 01 O1 PRESET 01 O1 4/4 4/4 POL. DIR POL. DIR THR. 00 dB THR. 00 dB REL. 0.4 S REL. 0.4 S ATK. 0.05 S ATK. 0.05 S PRESET 01 O1 PRESET 01 O1 4/4 4/4 POL. DIR THR. 00 dB REL. 0.4 S ATK. 0.05 S PRESET 01 O1 4/4 Use Up/Down/Left/Right keys to select one of the five fields: Page Number, Polarity, Limiter Threshold, Limiter Release, Limiter Attack; the selected values can be changed by means of the dial. To acc
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LOW AMP MID AMP HIGH AMP PUSH PUSH AC INPUT MIDI 95-240V~60-50Hz Rated Power Consumption 15W FUSE: NEW TIDE NEW TIDE 210-240V: T250mAL 250VAC MODEL 21 3 21 3 95-120V: 500mA 250VAC REPLACE FUSE WITH CORRECT TYPE ONLY Apparaten skall anslutas till SERIAL jordat uttag nar den ansluts OUTPUT THRU INPUT OUTPUT6 OUTPUT5 OUTPUT4 OUTPUT3 OUTPUT2 OUTPUT1 INPUT2 INPUT1 till ett natverk 5.2. LTODRIVE3.4 2-Way Input, 6- Way Output (High, High, Low, Low, Sub, Sub Level) If you want to present your LTODRIVE3.
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6. APPENDIX AltoDrive3.4 Midi standard control PROGRAM CHANGE Parameter Value Legend Preset 01 0 Preset Factory Preset 02 to preset 64 1, 2, 3,......, 64 Preset User CONTROL CHANGE Parameter Controller Value setting Legend Bank 0 0,1,2 Mode Channel 22 0, 1 Input Left, Input Right Mode Channel 22 2, 3, 4, 5, 6, 7 Output 1, 2, 3, 4, 5, 6 Output Volume 7 0,..., 48 Select Mode Channel 12 / 12 dB High Pass Filter 17 0,..., 120 Mode Channel = 2, 3, 4, 5, 6, 7 Bank=0 HP Frequency High Pass Filter 17 0,
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3. After MIDI use of ALTODRIVE3.4 it's advisable to run a manual STORE to save preset changes done by means of the external controller. After saving, reboot the ALTODRIVE3.4 to use it as a stand-along unit. 4. When setting and resetting mutes (controller 23) by MIDI, the relative LEDs are NOT actived. MIDI Controllers Values Amplitude 15dB / 15dB step 0.5dB (Value = d u) d\u 01 234 5 6 7 8 9 0 15.0dB 14.5dB 14.0dB 13.5dB 13.0dB 12.5dB 12.0dB 11.5dB 11.0dB 10.5dB 10 10.0dB 09.5dB 09.0dB 08.5dB 08
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7.TECHNICAL SPECIFICATIONS Input Channel Digital Input Gain /+ 12 dB / step 0.5 dB Gain /+ 15 dB / step 0.5 dB 4 Parametric Filters Freq 20 Hz 20 KHz step 1/12 oct BandWidth 0.05 oct 3 oct / step 0.05 oct Delay line Up to 512 ms minimum step 21us Output Channel Digital Out Volume /+ 12 dB / step 0.5 dB Delay line Up to 512 ms minimum step 21us Gain /+ 15 dB / step 0.5dB 5 Parametric Filters Freq20Hz-20KHz/step1/12oct BandWidth 0.05 oct-3octstep0.05oct High Pass filter type Butterworth Freq:20Hz-
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Power Supply Connector type 3 poles DIN (female) Type Servo controlled, Switching fuse 210 240V: T250mAL 250VAC 95 120V: 500mAL 250VAC AC Input 95 240V~60 50Hz rated power consumption 15W User Interface Graphic display 128 64 dots Keyboard 14 user keys/ 8LEDs Vu meter 2 6 LEDs Physical Standard 19"rack Mounting Size 483(W) 232.5(D) 44(H)mm(19" 9.3" 1.7") Dimensions weight 3.5Kg(7.72lb) 17
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8. WARRANTY 1. WARRANTY REGISTRATION CARD To obtain Warranty Service, the buyer should first fill out and return the enclosed Warranty Registration Card within 10 days of the Purchase Date. All the information presented in this Warranty Registration Card gives the manufacturer a better under- standing of the sales status, so as to purport a more effective and efficient after-sales warranty service. Please fill out all the information carefully and genuinely, miswriting or absence of this card wi
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SEKAKU ELECTRON IND. CO., LTD NO.1, LANE 17, SEC. 2, HAN SHI WEST ROAD, TAICHUNG, 401 TAIWAN http://www.altoproaudio.com Tel:886-4-22313737 email: alto@altoproaudio.com Fax:886-4-22346757 All rights reserved to ALTO. All features and content might be changed without prior notice. Any photocopy, translation, or reproduction of part of this manual without written permission is forbidden. Copyright 2003 Sekaku Electron
