Nilfisk-ALTO 3.4 User's Manual
Contents
1. wore c Bandwidth Allows to choose the width in octaves of the Peaking or Notch type curve It s not used with Shelving curves Si Peaking Notch d Gain Allows to control the boost or cut of the selected frequencies It s not used with the Notch Filter which has a fixed cut Peaking Low Shelving High Shelving The values can be set in the following ranges EET T FULL PARAMETRIC Ss TYPE Soa Peak Peaking ws 05 3 00 oct ee 0 052. Use this submenu to set a series of system options gt Milsc Setup a Input Select Used to choose inputs which MAXIDRIVE3 4 should use The options include Digital Inputs Analog Inputs OO 000600 i INPUTB INPUTA The inputs selected become Input A and Input B Any signal on the inputs not selected is ignored b Output Meters Used to decide whether to display the outputs signal before or after MUTE The options include PreMute PostMute the signal is always shown the signal is only shown if no matter what the MUTE status the output isn t in MUTE Output Meters Output Meters VUVYYV ENTER Garo aro TI we 1 ur LP ss 6 wo un ro ur I mr ESC e 0 se se se se eu MAXIDRIVES 4 2 ouru 2 ourpur 12 ourrur_ 12 ourrur_ 12 ourrut WAY STEREO ET uo 4 ee 46 LEVEL em uo E ug xe to norat CROSSO ovr B Bir EB Be Bb o 5 c Temperature Used to key in the value of the environmental temperature of place of installation The system uses this value to automatically compensate for the differentials due to the difference speed of sound Transmission according to the air temperature This allows to set the delays during the sound check and only have to reset them automatically when necessary For example during a concert in the event of big jumps in temperature etc The editing values are in
3. 1 Be careful not to use the pin to pin cable in the system it may damage the communication part of this unit 2 Be sure to use the female connector on both sides of the cable 3 The length of this cable must not exceed 30 meters or there would be some unexpected communication errors 4 If you want to use a long distance remote control it would be better to use shielding wire for this cable 7 APPLICATION The following diagrams show the MAXIDRIVE3 4 s various system configurations as if to say the various input and output hardware combinations 7 1 Factory Preset Configuration TT o Team TTT for erai Aiosonio oot neon vommasswavereneo CY anna Bass zwar sterco rzwono rocno J on fose sus or owman Aa as so suway sterco van wono sue T NONORALRINGEOIT os emam masse warwono2wonorucaanccou oe asss mses sos away wono vin esos t zvono rucno for ownax Areas savmono r wono roawr I os swasan messes s swarwonowne sueriwonORuLameco ew aimas eso TTT o ass swwuoownsss TI 7 2 Organization The following examples will help you well use and connect the unit a A13 B24 S56 2 WAY STEREO 2 MONO AUX 2X2W 2MAX LEFT A oi HIGH LEFT oi HIGH RIGHT ol gt LOW LEFT IN A B s L LOW RIGHT MONO AUX L R OUT 6 gt MONO AUX L R UNO MAXIDRIVE3 4 3 WAY STEREO
4. Connect the MAXIDRIVE3 4 to a PC 2 It is possible to use the ALTO editing software to control functions of all the processor remotely Preset Dump 1 Connect two MAXIDRIVE3 4 2 It s possible to Dump the single Presets from one unit to another refer to Dump procedure Program Change commands send receive 1 Connect two DAXIDRIVE3 4 2 When a Preset is recalled on the first one it s possible to send a Program Change command to the second one to recall the same Preset number refer to Load Preset procedure 19 0UTPUTS These Outputs1 6 are balanced XLR M connectors The high guality low noise 20 bit converters can make A D conversion 20 INPUTS INPUT A and INPUT B are compatible with balanced XLR and JACK They are audio connectors of the respective sections The high guality low noise 20 bit converters can make A D conversion 4 GETTING STARTED The powerful versatile signal processor MAXIDRIVE3 4 is mainly designed for use with audio systems Its routing con figurations of the input and output can be only set by recalling one of the PRESETS included in the internal memory So the user must be very clear about the main function of the unit in order to get a best operation of your MAXIDRIVE3 4 Before you start your operation please read the following parts carefully 4 1 Configuration of the system At first switch off the equipment carry out the audio and power connection from the various components of your sound sy
5. User s Manual 3 WAY STEREO MAXIDRIVE3 4 DIGITAL CROSSOVER a n www altoproaudio com Version 2 4 September 2005 English SAFETY RELATED SYMBOLS CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN This symbol wherever used alerts you to the pre sence of un insulated and dangerous voltages with in the product enclosure These are voltages that may be sufficient to constitute the risk of electric shock or death This symbol wherever used alerts you to impo rtant operating and maintenance instructions Please read Protective Ground Terminal AC mains Alternating Current Hazardous Live Terminal gt gt Denotes the product is turned on OFF Denotes the product is turned off WARNING Describes precautions that should be observed to prevent the possibility of death or injury to the user CAUTION Describes precautions that should be observed to prevent damage to the product Disposing of this product should not be placed in municipal waste and should be m Separate collection WARNING e Power Supply Ensure that the mains source voltage AC outlet matches the voltage rating of the product Failure to do so could result in damage to the product and possibly the user Unplug the product before electrical storms occur and when unused for long periods of time to reduce the risk of electric shock or fire External Connection Always use proper ready made insulated mains cabling p
6. 12 24 or 48dB per octave By setting the Thru value the filter is disabled and the signal passes without its frequency being altered Crossover frequency Allows to choose the filter cutoff frequency lpia LF iri Phase Allows fine control in 5 steps of the signal s phase The effect of this control is summed with that of the Output Polarity function 0 180 In this way it s possible to adjust the phase of each individual output with 5 steps through a full 360 Note this control is only in the Low Pass Filter window The values can be set in the following ranges XOVER mu oF But Butterworth 6 12 18 24 dB oct 0 180 Stp 5 BAE saat Tae aa see amaa ee nene aki 5 3 4 Output EG Output egualizer with 5 parametric filters Also called Channel EQ allows to alter the tone of each individual output The characteristics of guality and programmability are identical to those of the Input Egualizer and enable this unit to be used extremely effectively and flexibly poni LPFILTER HPFILTER EO LEVEL LIMITER METER DELAY N R lt gt K POLARITY P E MUTE DAC Each equalizer has 5 pages one per filter indicating the name of the output it effects and the number of the filter OP EjQ41 Plelalk 2lkjojo 1 jo 1 5 Example Output 1 Filter 1 Since technical specifications and editing fields of the Output EQ are iden
7. and Taiwan The core of our digital audio products is a sophisticated DSP Digital Sound Processor and a large range of state of the art algorithms which have been developed by our Software Team for the last 7 years Because we are convinced you are the most important member of ALTO AUDIO TEAM and the one confirming the quality of our job we would like to share with you our work and our dreams paying attention to your suggestions and your comments Following this idea we create our products and we will create the new ones From our side we guarantee you and we will guarantee you also in future the best quality the best fruits of our continuous researches and the best prices Our MAXIDRIVE3 4 3 Way Stereo Digital Crossover is the result of many hours of listening and tests involving common people area experts musicians and technicians The results of this effort is a DSP hi performance equalizer that can be used in applications as musical performances Installation and sound reinforcement Besides we offer to you a number of factory EQ curves that we collected and transformed in presets now available in our small effi cient and easy to use MAXIDRIVE3 4 Nothing else to add but that we would like to thank all the people that made the MAXIDRIVE3 4 a reality available to our customers and thank our designers and all the ALTO staff people who make possible the realization of products containing our idea of music and sound and are ready to suppo
8. gt bye pee AUDIO MIXER Bu itys I e Communications PC amp one or more MAXIDRIVE3 4 connection to from RS232 Serial Port MAXIDRIVE3 4 3 WAY STEREO DIGITAL CROSSOVER to from RS232 7 KES EBS E CD R DIGITAL IN RS485OUT RS485IN ea INPUTB INPUTA From RS485 OUT to RS485 IN outputs ec gt GO6A00 RS4850UT RS4851N INPUTB INPUTA From RS485 OUT to RS485 IN eren OUTPUTS Q reee O 000000 DIGITAL o RS232 INPUTB INPUTA 8 TECHNICAL SPECIFICATIONS INPUT section Connectors 2x COMBO Nominal input sensitivity 0 dB 0 775 V Input Impedance 30kOhm electronically balanced Maximum Input Level 20dBu Input Gain 30 6 dB variable in 0 5 dB steps Digital input AES EBU XLR F Digital input sample rate 32 kHz 48 kHz Output Section Connectors 6 x XLR M Output Impedance 600 Ohms electronically balanced Nominal Output Level 0 dBu Maximum Out put Level 20 dBu Output Gain 30 6 dB variable in 0 5 dB steps DSP Section A D converters 20 bit D A converters 20 bit Internal dynamics AO bit Sampling frequency 48 kHz Features Configuration 2 WAY STEREO 3 WAY STEREO 2 3 4 5 6 WAY MONO Crossover Filters Type Bessel Butter worth or Linkwitz Riley Crossover Filters Slope 6 12 18 24 or 48dB per octave Delay Step 21 micros
9. programmed storage Factory PRESETS can be used normally temporarily modified but can t be cancelled overwritten or permanently modified Factory PRESETS contain some specific settings for certain types of enclosures and all the system s usable configurations For this reason they re the ideal starting point for creating custom PRESETS User PRESETS Stored data that can be programmed by users User PRESETS are internal memory areas in which your own personal settings can be saved Card PRESETS Stored data which can be programmed by users on a Multimedia Memory Card Card PRESETS are external memory areas in which your own personal settings can be saved 5 1 1 Load PRESET This menu page allows the required PRESET to be loaded and made operatively Load Preset 2M2x2w 2mMax To load a PRESET e Use the DIAL to reach the required PRESET 10 Factory PRESETS 64 User PRESETS and 128 Card User PRESETS are available Note since the system must always be configured there are no empty memory areas All the User and Card areas unused by custom PRESETS are automatically occupied by the Default PRESET which contains a standard start configuration with all the values of the various parameters at zero Load Pirjelsielt A135 pl2iale leja R Dle flajuji jej 64 Defauit Scrolling through the 128 memory areas reserved for the Card when the Multimedia Memory Card isn t inserted the display show
10. status LEDs light on e Feed a signal in on the MAXIDRIVE3 4 s input and watch the INPUT LEVEL A B LED ladders 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 Find out the output level setting for your mixer or other unit and connect it to the input of the MAXIDRIVE3 4 e Adjust the MAXIDRIVE3 4 input gain if necessary Press the MODE key until the EDIT menu LED lights up Use the PREV and NEXT keys to go to the Input Gain page e Press ENTER The display will show the INA Gain or INA amp B Gain page according to the configuration and other utilities loaded in the memory Use the DIAL to change the gain value and watch the level of the signal on the LED ladders until the ideal values are reached LTTE 11111 I2 IslalB ilii e loldiB Then use the PREV and NEXT keys to access to the INB Gain page if there is one this will depend on the con figuration and the other utilities loaded in the memory Repeat the settings as explained above 4 3 First Setup At this point the first custom setup can be prepared The following is only the description of setup procedure The detailed specifications of each parameter are shown in the respective paragraphs of the manual e Firstly set the following parameters shown in order Output Pol Polarity of the outputs Xover Crossover frequencies se
11. DIGITAL CROSSOVER A i z AUDIO MIXER w es ipa TAC AZ cree La a aa i amp i 1 EET a sos PPR pp U P hy pati H b A135 B246 3 WAY STEREO 2X2W LEFT gt au HIGH LEFT 5 w MID LEFT IN A B re MID RIGHT LN LOW LEFT RIGHT ou 6 LOW RIGHT mmm ZZ YOO NL c D MAXIDRIVE3 4 3 WAY STEREO DIGITAL CROSSOVER AUDIO MIXER Zi J E s E Ta 2a a j gt SIGNAL i ii a cae if ii pt m POWER FF tre fea E TT L ta c A13 B24 S56 3 WAY STEREO with MONO SUB MONO AUX 2X3W MSB MAX LEFT A re HIGH LEFT OUT a NL CCC Az MAXIDRIVE3 4 3 WAY STEREO DIGITAL CROSSOVER E s A X t T LIT AUDIO MIXER nea ba I gt SIGNAL j M 5 FTF sa 1 16 POWER cae L mil r f ET I Bs pa L SE Bit coe a g d A1324 S56 4 WAY4 MONO 2 MONO AUX 4W 2MAX LEFT RIGHT gt HIGH of gt HI MID il MONO AUX L R OUT 6 MONO AUX L R c gt a w OFF MAXIDRIVE3 4 3 WAY STEREO DIGITAL CROSSOVER SIGNAL POWER TEZ oe g e 22 ka
12. ESETS to load the receiving units if they are able to accept the com mand each loads into its own memory the PRESET with the corresponding number This means that in a chain of MAXIDRIVE3 4 all the units set with PRESET Change RX Accept load the same number of PRESET in spite of the fact that it corresponds to PRESETS with different contents in the various units Note the PRESET Dump function is used to transmit the same contents MAXIDRIVE3 4 1 MAXIDRIVE3 4 2 MAXIDRIVE3 4 3 Load Preset Preset Change RX Preset Change RX IGNORE fed ACCEPT 2 MySetup 3 MySetup5 4 LiveSet1 Preset 2 PORT PORT Preset 3 Preset 4 5 LiveSet2 fe J Preset 6 Preset 7 Preset 8 SERIAL SERIAL Preset 9 6 CONNECTIONS The following diagrams show the schemes of the recommended cables and some connection examples referred to various system configurations Inputs A amp B Digital IN RS485 IN BALANCED XLR M Inputs A amp B BALANCED JACK d Outputs 1 6 RS485 OUT HOT Q T PIN 5 PIN3 PIN2 RS232 9Pin F Gi a2 TXD PIN2 lt PIN 3 RXD RXD PIN3 lt gt PIN 2 TXD GND PINS lt gt PIN 5 GND 9 PIN 9 PIN BALANCED XLR F RS232 The wire must be changed between 2 3 pin Special attentions for RS232 interface
13. Preset s data name configuration parameter values etc are immediately transmitted to the units connected to the serial ports other MAXIDRIVE3 4 computers etc Note In order for the transfer to have effect the receiving units must be able to identify and accept Incoming Dump operations When two or more MAXIDRIVE3 4 are connected the PRESET sent by the transmitting MAXIDRIVE3 4 TX overwrites and therefore cancels the existing PRESET in the same memory position of the receiving MAXI DRIVE3 4 RX MAXIDRIVE3 4 1 MAXIDRIVE3 4 2 MAXIDRIVE3 4 3 Incoming Dump Incoming Dump Incoming Dump 2 SideField 3 Concert1 4 Concert2 5 Concert3 DUMP ACCEPT DUMP 2 MySetup Preset 2 PORT PORT 3 MySetup5 4 LiveSet Preset 5 Preset 3 Preset 4 Preset 5 J Preset 6 6 Monitor 7 Monitor2 8 Monitors 9side L l 6 Concert 7 Remotet 48 Remote 9Remote2 Lu Preset 7 Preset 8 SERIAL SERIAL Preset 9 5 1 4 Incoming Dump Used to accept or ignore the Dump of a PRESET sent from another MAXIDRIVE3 4 or from a computer via serial Ports settings can be Ignore the data received via the serial ports Accept the data received via the serial ports 5 2 Delay Menu Use this menu to work on the systems delay lines Input Delay Parameters Output Delay Parameters Parameters In these pages the nu
14. T menu is disabled can be edited Delay Gain EQ all other editing functions are blocked and access to the PRESET menu disabled LOC T LOC Pas 1 Pais e Then use the 4 and P keys to access the area in which the password is entered IMPORTANT The protection cannot be unlocked without the password So write it down or at least choose a word that is easily remembered The password is made up of four alphanumerical characters obtainable using the 4 and P keys and editable with the DIAL LocK Plalr tlijalt LocK Palr tlija e After entering the password press ENTER Note Confirmation is only accepted if the cursor is positioned on one of the passwords four characters This allows to avoid accidental enabling without having seen the password Protection is enabled and the system takes up default status How to disable the protection If the protection is enabled when the system is in default status i e when none menu LEDS are lit and therefore no type of editing is enabled the following appears on the display Total Protection enabled Partial Protection enabled PT JAl13 p 2 4 s 5 6 224 2w 2MAX Te 2x 2W 2MAX Note alongside the symbol of Total or Partial protection the letter M may also appear This means that the system is protected but the PRESET in guestion has undergone one or more changes that have not yet been stored You can however switch
15. ables it lpia LiIMITER IMPORTANT Enabling the LIMITER on a specific output also changes the way in which the level is displayed on the corresponding LED ladder In fact the level shown on this ladder is no longer the absolute output level but the level of the signal at 24dB 12dB 6dB compared to the LIMITER s threshold orange LIMIT LED no matter what the threshold value is 5 4 UTILITY Menu This menu comprises a series of submenus that allow to set a series of system options and access certain utilities such as the control of the Multimedia Memory CARD or protection against accidental or unauthorized changes menu UTILITY Ganging Input Ganging Units 4 Delay Unit Misc Setup __InputSelect Temperature Wake Up Lock Lock Memory Card Format Card Comm Setup Preset Change RX ID Select 5 4 1 GANGING SUBMENU Ganging Input Ganging Output Ganging This submenu allows to group together the treatment of similar inputs and or outputs Similar is intended as meaning elements which have the same properties and or the same structure For example the right and left sections of a stereo system are similar as they are made up symmetrically of the same quantity and type of elements the same components for High Mid and Low frequencies The practical use of the Ganging function consists in the possibility of editing wit
16. display 3M operanall 1 101ff NO CARD Press ENTER The PRESET Naming page appears by means of which it s possible to edit the name of the PRESET to be saved Note If you re in one of the 128 memory areas reserved for the Card and you remove the Multimedia Memory Card before pressing ENTER nothing happens the display remains unchanged and Store PRESET procedure remains unvaried The name of the start PRESET i e of the PRESET currently loaded is proposed as default The cursor takes up position on the first of the twelve character spaces available _ 2k 2W 2MaAx I At this point e If you decide to accept and confirm the name suggested press ENTER e If you want to abort Naming procedure for example because you ve chosen the wrong memory area and return to Store PRESET procedure press ESC e If you want to assign a new name to the PRESET you re storing use the 4 and P keys to position the cursor on the required character use DIAL to enter the alphanumeric value wanted after finishing press ENTER ux 2W 2MAX 5 1 3 Dump Out PRESET Use this menu page to download a PRESET via the serial ports It is also used to immediately copy the settings of the various PRESETS of a MAXIDRIVE3 4 to another MAXIDRIVE3 4 2W2x2w 2max To download a PRESET Use DIAL to reach the required PRESET Press ENTER Note The menu page remains unchanged to allow other PRESETS to be dumped All the
17. ds The Card is ready to be used Format ard Format card Note in the event of an error or a Card fault if there is no Card in the slot or if the Card is removed during formatting the display shows the following message Format card Flolr mia t E r rlofr I During formatting the system automatically stores the Default PRESET in all the 128 CARD memory areas Note since the system must always be configured there are no empty memory areas All the User and Card areas not yet used by stored user data are automatically occupied by the Default PRESET which contains a standard start configuration with all the values of the various parameters at zero 5 4 6 COMM SETUP SUBMENU Comm Setup Preset Change RX ID Select This submenu allows access to the setting of communication with other units via the serial ports Note the Dump Out Preset and Incoming Dump functions are an exception as they re controlled directly in the PRESET menu gt Comm Setup PRESET Change RX Allows to accept or ignore the PRESET Change command sent via the serial ports from a computer or another MAXIDRIVE3 4 when it loads a PRESET The settings can be Ignore PRESET Change commands received Accept and execute PRESET Change commands The PRESET Change command is completely identical to MIDI Program Change the transmitting unit sends an instruction containing a number of PR
18. econds minimum Max Delay time 2621 ms inputs 291 ms outputs EQ filters Up to 40 maximum depending on the crossover slope EQ Type Peak 6dB Lo Shelf 12dB Lo Shelf 6dB Hi Shelf 12dB Lo Shelf Notch EQ Gain 15dB variable in 0 5dB steps EQ Bandwidth 0 05 to 3 00 octaves variable in 0 05 steps EQ freq 15 6 Hz to 16 kHz Dynamics Digital limiter on all the output Memories FACTORY PRESETS are 10 64 USER PRESETS 128 CARD PRESETS Communications 9 pin RS232 XLR F RS485 IN XLR F RS485 IN General Performance Frequency Response 20Hz 20kHz 0 25dB Dynamic range gt 117dB 20Hz to 20kHz gt 120dB 20Hz to 20kHz on AES EBU input Channel Separation gt 100dB 20Hz to 20kHz Distortion THD 0 05 20Hz to 20kHz General Input Meter Output Metering 24dB 18dB 12dB 6dB CLIP relative to Clip point 20dBu 24dB 12dB 6dB LIMIT relative to limiter threshold setting CLIP Dimensions 483x44x300 mm Weight 4 0 Kg Power supply see label on the unit 9 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 understanding of the sales status so as to purport a more effective and efficient after sales warranty ser
19. erformances of MAXIDRIVE3 4 are worth much more than its price you can set the input and output routing con figuration only through recalling one of the Presets included in the internal memory 2 FEATURES e Single rack unit e Delay lines up to 2 5s for each input and up to 300ms for each output e Stereo digital input in AEX EBU format e A D and D A converters for a 117dB dynamic range e Slot for a memory card for the storage of more presets and an easier upgrade of other units 10 Factory presets 64 user presets and 128 card presets by large memory capacity e Switching power supply e Remote control manufactured under QS9000 VDA6 1 certified management system 3 CONTROL ELEMENTS 3 1 The Front Panel MAXIDRIVE3 4 3 WAIY STEREO DIGITAL CROSSOVER 1 MODE button The button allows you to select four modes PRESET DELAY EDIT and UTILITY Pressing MODE repeatedly to reach to the required menu and the corresponding LED will light up You can edit the parameters of the selected menus If none of the menu LEDs is lit the Display shows the name of the current PRESET and no parameters can be modified 2 LEDs These LEDs indicate the selecting status of the menus 3 Display Rear lit 2x16 display It shows the pages of the various menus and the relative parameters 4 DIAL knob The knob allows you to edit value of the selected parameter The value raises while turning the DIAL clockwise and lowers coun
20. ers often unnecessary gt input EQ e E ETNNIETEETETERNE efi i El Each egualizer has 5 pages one for each filter showing the name of the input it affects and the number of the filter 21 2 The following editable parameters are available for each filter a Type of filter Allows to choose among Peaking Low or High Shelving with a slope of 6 or 12 dB per octave and Notch filter Peaking Low Shelving High Shelving Notch b Centre Freguency Cutoff Freguency Allows to choose the centre frequency of the Peaking curve and Notch filter or the cutoff frequency of Shelv ing curves INA EQ1 Peak Peaking Low Shelving High Shelving Notch
21. fore turning on the unit please make sure the amplifiers of the sound system are off to avoid the annoying and sometimes dangerous signal peaks 15 Digital In Use the balanced XLR F connector one cable is enough to feed both inputs connect the processor to units fitted with AES EBU digital outputs In this case the two bypassed convention will improve the guality of the signal Asignal connected to the digital input has the same processing as that connected to analog input The Digital Analog input selection can be set by using the Input Select function Utility Menu Misc Setup Submenu 16 RS485 OUT This is the standard serial communication interface port It allows outgoing communication between a MAXI DRIVE3 4 and PC or other MAXIDRIVE3 4 units The RS485 interface is very suitable for remote control over long distances difficult with RS232 standard ports and daisy chaining several MAXIDRIVE3 4 17 RS485 IN The function of the RS485 IN port is opposite to RS485 OUT It allows incoming communication between a MAXIDRIVE3 4 and PC or other MAXIDRIVE3 4 units The RS485 interface is very suitable for remote control over long distances Difficult with RS232 standard ports and for daisy chaining several MAXIDRIVE3 4 18 RS 232 This is the serial communication interface port It allows incoming and outgoing communication between a MAXI DRIVE3 4 and a PC or other MAXIDRIVE3 4 units Communication protocol includes Remote control 1
22. h identical values the parameters of similar elements carrying out single instead of double operations For example it s possible to set the same Delay value or egualization on both inputs with just one operation or set identical Xover parameters for the various outputs fed to a stereo sound system or yet again enable the LIMITER simultaneously on the two outputs dedicated to two mono stage monitors The system automatically recognizes incompatible elements contained in the various configurations and only enables the Ganging function where it can effectively be used Therefore the Ganging function doesn t have any effect on the MONO setups The Ganging function can be enabled separately for both groups of input and groups of outputs IMPORTANT Precisely for its characteristics the Ganging function affects the way in which the relative para meters audio are edited or represented As soon as Inputs and or Outputs are ganged the various menu pages only show the values that can actually be used This however doesn t mean that the values change immediately On the contrary the values remain unchanged Even if not shown until new values are entered Only at that point ganged Inputs and or Outputs assume the same value with the just one operation For example even if the display shows that Input A amp B are ganged in the page with a certain parameter the value shown remains that of Input A until a new value is entered as Input B doesn t a
23. ication disappears as soon as the PRESET is saved or as soon as a new PRESET is loaded includ ing this same PRESET In other words the indication disappears as soon as stored values are accessed If the PRESET isn t saved temporary changes are lost as soon as a new PRESET is loaded including this same PRESET Note temporary changes are kept on the other hand in the buffer memory when the unit is switched on the system maintains exactly the same settings as when the unit was switched off including temporary changes 4 9 System Protection These indications appear when the LOCK function UTILITY menu is enabled i e when the system is totally T or partially P protected against accidental or unauthorized changes even if temporary Protection is ensured by a password without which editing procedure can t be unlocked IMPORTANT If you can t remember the password there is an easy way for you to unlock the protection Turn the unit on and almost at the same time press PREV and lt keys Now the protection is unlocked 5 THE MENU MAP CONFIGURATION DESCRIPTION The control software is organized in PRESET DELAY EDIT and UTILITY menus each of which contains the relative types of parameters and functions 5 1 Preset Menu menu Load Preset PRESET Load Preset L Store Preset Dump Out Preset Incoming Dump There are 3 distinct categories of PRESETS Factory PRESETS Factory
24. ion Utility menu Misc Setup submenu and can be set as Normal last setting before the unit was switched off or Mute all outputs automatically forced into Mute status 12 Output Level LEDs These LEDs indicate the level of the respective outputs you can adjust the output via adjusting the Output Gain parameter of Edit menu Note The LIMITER on any output will change the way in which the level is displayed on the corresponding LED In fact the level shown on the ladder is no longer the absolute output level but the level of the signal at 24dB 12dB 6dB compared to the limiter threshold indicated by the orange LIMIT LED 3 2 The Rear Panel 95 240V 50 60 FUSE 96 120 TsoomAL Bo Mov Tama e PWR a gt 3 T o 6 0 p o OFF 5 I DIGIT L IN RS4840UT RS4B5IN 13 AC inlet and fuse holder Use it to connect your MAXIDRIVE3 4 to the supplied AC cord Please check the Voltage in your country and what voltage for your MAXIDRIVE3 4 is configured before attempting to connect the unit for the main AC The fuse can protect the AC supplies circuit of the eguipment CAUTION If there is something wrong with the fuse or the fuse needs to change please refer to a qualified technician If the fuse continues to blow after replacing discontinue using of this unit before being repaired OUTPUTS A102 INHUTB INPUTA 29 14 Power Switch The switch is used to turn the main POWER on and off Note be
25. is menu page to adjust the delay lines of Input A Input B and SUM gt Input Delay neTER sem ACERT SERS ae L FT ii ooo The values can be set in the following ranges Ina DELAY INPUT DELAY EU E The measurement unit can be chosen with the function Delay Unit UTILITY menu Units submenu INPUT A INPUT B MAIN PA DELAYED 14 q 91ms 31 5m 20 C z INA DELAY 0 INB DELAY 91ms 5 2 2 Output Delay Use this menu page to adjust the delay lines of outputs 1 2 3 4 5 and 6 LP FILTER HP FILTER 5 BAND EQ LEVEL LIMITER METER DELAY lt gt K POLARITY a E MUTE DAC D 5 The values can be set in the following ranges opn TT Pear T TT OUTPUT DELAY mm 0 100000 us 0 291271 The values can be set in the following ranges OUTPUT DELAY OUTPUT DELAY Loudspeaker Delayed Virtual Delayed Virtual Components Alignment 1 Alignment 2 a i OP1 DELAY OUTPUT 1 aI HIGH Oms E U 18ms 6 5m gt x ans 14ms 5m lt x ca h h LOW 4ms i i 5 3 Edit menu The values can be set in the following ranges menu EDIT Parameters Parameters Xover Parameters Output EQ Parameters Output Gain Parameters Output Pol Parameters Output Limiter Parame
26. mber of the parameters and how they are presented varies according to the configuration of the PRESET and according to Ganging and Units settings UTILITY menu In fact these pages only show the parameters that can actually be used in the most suitable form of editing The practical differences between Delay Input and Delay Output A Delay is only a processor by means of which a signal is deliberately delayed by a programmable length of time From a technical point of view the Delays applied to the inputs and outputs are eguivalent Nevertheless their application is different OUTPUT DELAY lt 2 s waw ud INPUT DELAY Input Delay delays the signal of an input or the sum of the inputs before sending it to the routing system In this way all the outputs which depend on that input are delayed by the same length of time Also called Master Delay input Delay is mainly used to compensate for the effects dues to the distance between the various speaker enclosures or between various blocks of a complex sound system for example in large concert halls stadiums etc Thus achieving virtual alignment Output Delay only delays the signal of a specific output Also called Channel Delay output delay is mainly used to compensate for the distance between different blocks of the same sound system for example clusters or to correct internal alignment of a speaker enclosure components 5 2 1 Input Delay Use th
27. oct 15dB step 0 548 HiSh6 High Shelving 6dB oct nish 12 High Shelving 12dB oct Notch Notch Filter 45dB fix 0 05 3 00 oct step 0 05 oct 5 3 3 Xover Low pass and high pass filters Made up of a combination of a low pass filter and high pass filter the crossover allows to divide the audio signal into segments that can be used by the individual section of a sound system for example High Mid amp Low LP FILTER HP FILTER 5 BAND EQ LEVEL LIMITER METER a DELAY w S lt gt big POLARITY gt d MUTE DAC Dogi Each Xover has 2 slightly different pages one for each filter where the name of the output it affects and the type of filter are shown Output 1 Low Pass Filter Output 1 High Pass Filter Low Pass Filter The low pass filter allows all the frequencies below a specific frequency to pass whereas it cuts all the frequencies above it High Pass Filter The high pass filter allows all the frequencies above a specific frequency to pass whereas it cuts all the frequencies below it LPF LPF HPF Signal segment obtained with the combination of LPF and HPF Each filter has the following editable parameters Type of filter Allows to choose three different types of filter and different attenuation slopes Butterworth But at 6 12 18 or 24dB per octave Bessel Bes at 12 18 or 24dB per octave Linkwitz Riley LR a
28. ower cord Failure to do so could result in shock death or fire If in doubt seek advice from a registered electrician Do Not Remove Any Covers Within the product are areas where high voltages may present To reduce the risk of electric shock do not remove any covers unless the AC mains power cord is removed Covers should be removed by qualified service personnel only No user serviceable parts inside e Fuse To prevent fire and damage to the product use only the recommended fuse type as indicated in this manual Do not short circuit the fuse holder Before replacing the fuse make sure that the product is OFF and disconnected from the AC outlet Protective Ground Before turning the product ON make sure that it is connected to Ground This is to prevent the risk of electric shock Never cut internal or external Ground wires Likewise never remove Ground wiring from the Protective Ground Terminal Operating Conditions Always install in accordance with the manufacturer s instructions To avoid the risk of electric shock and damage do not subject this product to any liquid rain or moisture Do not use this product when in close proximity to water Do not install this product near any direct heat source Do not block areas of ventilation Failure to do so could result in fire Keep product away from naked flames IMPORTANT SAFETY INSTRUCTIONS Read these instructions Follow all instructions Keep these instr
29. paration of the speaker channels Output Delay Alignment of the speaker enclosure components Output Gain Levels of the outputs Note The regulation of the MAXIDRIVE3 4 s parameters is closely related to the characteristics of the com ponents of the sound system So if you re not the expert please refer to the documentation and technical specifications of your power amplifiers loudspeaker enclosures monitors etc This will enable you to work faster and safely e Disable the MUTE function on the outputs you intend using and listen the sound carry out instrumental checks if you have the necessary equipment and any corrections required Then if necessary adjust the values of the following functions Output EO Output egualizers Output Limiter Output limiters Note In this first phase of setting up your sound system the adjustment of these functions which if not Indis pensable during installation can wait But do remember that adjusting the egualizers can also affect the signal level So if considerable equalization changes are made remember to check and adjust the output levels too if necessary 4 4 System configuration 22x 2w 2MAX The bold letters indicate the inputs A Input A B Input B S SUM sum of inputs A and B Numbers 1 2 3 4 5 and 6 indicate the respective outputs In the example The signal connected to Input A is assigned to outputs 1 and 3 The signal connected to Input B is assigned to output
30. rt you our Customers in the best way conscious that you are our best richness Thank you very much ALTO AUDIO TEAM TABLE OF CONTENTS 1 INTRODUCTION vaii iusiesiaiussinsisais issue N 4 2 FEATURES Liaukis u nn uu Z ia ri i S a i i T i i i a a a i 4 SB CONTROL ELEMENTS ainiai i i i i k i i O Aaa us Ea 4 3 1 The Front Panel 3 2 The Rear Panel A GETTING STARTED u u uuu uuu usai k sskkusisas kais aodannan ei arnab si a a iai d i sasas siai aa dia a 6 4 1 Configuration of The System 4 2 Adjust The Input Signal 4 3 First Setup 4 4 System Configuration 4 5 Number of Presets 4 6 Type of Preset 4 7 Name of The Preset 4 8 Preset Modifications 4 9 System Protection 5 THE MENU MAP CONFIGURATION DESCRIPTION aaa asssssssssssssssssssaa 10 5 1 Preset Menu 5 2 Delay Menu 5 3 Edit Menu 5 4 Utility Menu 6 CONNECTIONS LLtisssansiniassninakiniansistsnisu ius kiss bed asi mies k ii i i a i i i 31 7 APPLICATION ses eisi iais ais ia ii Ela i a i i ia i i i i i his 32 7 1 Factory Preset Configuration 7 2 Organization 8 TECHNICAL SPECIFICATIONS I a 38 9 WARRANTY g r eRe ere ere eee ae ee eee ee ee ee eee 39 1 INTRODUCTION Your MAXIDRIVE3 4 is a 3 way stereo digital crossover and it is a powerful versatile signal processor The apparatus will provide 3 4 5 or 6 way mono X over with 6 outputs Thanks to the use of selected and expensive components the p
31. s 2 and 4 The Sum of the signal on inputs A and B is assigned to outputs 5 and 6 The system is therefore configured as shown in the following diagram kr 2 WAY STEREO 2 MONO AUX 2X2W 2MAX LEFT R E HIGH LEFT E HIGH RIGHT i E LOW LEFT A B E LOW RIGHT R MONO AUX L R RIGHT E mono aux L R 4 5 Number Of PRESETS o 2 d2x2w 2MAX 10 Factory PRESETS 64 User PRESETS and 128 Card PRESETS are available 4 6 Type of PRESET JAB B24 s 56 2 d2x2W 2MAX There are 3 categories of PRESETS F Factory PRESETS factory programmed cannot be permanently changed These include all the system s usable configurations These are the starting points for Creating User PRESETS and Card PRESETS from scratch U User PRESETS can be programmed by users C Card PRESETS can be programmed by users and stored on a Multimedia Memory Card 4 7 Name of the PRESET 242 x 2w 2MAX In the example the name indicates a two way stereo system two auxiliary mono outputs 4 8 PRESET Modifications M A13 B24 S56 2 2 x 2W 2MAX This indicates that the value of one or more parameters has been temporarily modified with respect to the stored in the PRESET shown Practically speaking this indication means that the changes made to the PRESET have not been stored Note once it has been enabled the indication remains even if the original values are reset manually The ind
32. s the following message Load Pireset 128ff NO CARD e Press ENTER The system returns to default status and the display shows the information on the PRESET that has just been loaded 32x swo Note In the example Factory PRESET 3 named 2x3W has been loaded Its system configuration is Input A signal assigned to outputs 1 3 and 5 Input B signal assigned to outputs 2 4 and 6 Loading a PRESET a PRESET Change command is also automatically sent to the serial ports and can be used to automatically load a PRESET with the same number to any other MAXIDRIVE3 4 units connected and enabled Refer to UTILITY menu Comm Setup submenu PRESET Change RX option 5 1 2 Store amp Naming PRESET Use this menu to create new PRESETS i e to save all the current system settings 22x 2w 2mMax To save a PRESET Use DIAL to reach the memory area in which the PRESET is to be saved Note In this procedure the Factory PRESET areas aren t available since the Factory PRESETS can not be permanently remember that it is possible to load a Factory PRESET modified Nevertheless save it in a User PRESET or Card PRESET area modify it as required and then store it again in the same User or Card area Note Scrolling through the memory areas the display shows the number type and name of the PRESETS contained in them scrolling through the 128 Card memory areas without the Multimedia Memory Card a warning appears on the
33. stem Then connect the main cord and only switch on the MAXIDRIVE3 4 The display will show the data regarding with the operating system release for a few seconds MAX IDRIVE l IRle tlelalslel Lia lol Meanwhile the system will restore the exact operating conditions at the time of switching off And the system Will enter into default status showing the main operating information on the display 22 x 2W 2MAX e Set all the MAXIDRIVE3 4 outputs in MUTE status LEDs lit by pressing the relative keys e Load the Factory PRESET containing the configuration you ve found e Press the MODE Key until the PRESET menu LED lights up The display will show the Load PRESET page Load Pirje sie t 32kw reed Use the DIAL to find the necessary Factory PRESET indicated by the letter F Check that if among the PRESETS available there are already some optimised for the specific speaker enclosures being used e Press ENTER The display shows the PRESET loaded in the units memory and the relative configuration le j3lg2xsw 7 4 2 Adjusting the input signal It is much more important to set the input signal of a digital unit than that of an analog unit because excessively high input signals will make any saturation of the A D converters cause a typical particularly distinct noise high level square wave Proceed as follows e Keep the MAXIDRIVE3 4 outputs in MUTE
34. terclockwise 5 PREV NEXT button Each menu comprises several pages These buttons allow you to turn over the pages and or a variable number of parameters 6 Navigation cursor keys Each editing page comprises a variable number of parameters fields The right and left keys allow you to select the various required parameters via controlling the movement of the cursor in the page 7 Memory Card Slot The Slot allows you to insert the Memory Card which is very useful for safe storage of PRESETS and for their transfer from one MAXIDRIVE3 4 to another 8 ENTER key The key allows you to access to the selected editing page Pressing this key you can edit and confirm the reguired value of parameter 9 ESC key The key allows you to exit the selected editing page It also used to reject the value to enter and return to the stored value 10 Input Level LEDs The LEDs are used to indicate the level of input A B In order to get an up front distortion free signal you keep the signal quite high but do assure that the red CLIP LED doesn t light up continually 11 Mute switches There are six mute switches 1 6 They are used to mute the signal of the respective outputs When the switch is on the corresponding led will light up These switches can avoid signal peaks when switching on and off the sound system and isolate the individual audio sections during testing or checking sound etc The restored Mute function can be set to use the Wake Up Funct
35. ters In these pages the number of the parameters and how they are presented varies according to the configuration of the PRESET and according to Ganging and Units settings UTILITY menu In fact these pages only show the parameters that can actually be used in the most suitable form of editing 5 3 1 Input Gain Input gain control Allows to adjust the amplification of the signal fed in through Inputs A and B Editing values are in the range 6dB 30dB with 0 5dB steps INA GAIN Note Setting the input signal of a digital unit is particularly important much more than on an analog unit as any saturation of the A D converter due to an excessively high input signal causes a typical particularly distinct noise To achieve a good signal noise ratio i e an up front distortion free signal feed a signal in on the MAXI DRIVE3 4 s input and watch the INPUT LEVEL A B LED ladders Keep the signal quite high but make certain the red CLIP LED doesn t light on continually 5 3 2 Input EQ Input equalizer with 5 parametric filters Allows to alter the overall tone of the signal connected to the respective input Also called Master EQ the equalization of the input signal effects all the outputs connected to the input and the input SUM This component s characteristic quality and programmability identical to the output Equalizer enable it to be Used so effectively and flexibly as to make the use of graphic equaliz
36. the following ranges 60 C 30 C with 1 C steps 140 0 F 22 0 F with 1 8 F steps Temple rialtiulrle Note the measurement units can be chosen between C degrees Centigrade and F degrees Fahrenheit by means of the Temperature Unit function UTILITY menu Units submenu d Wake Up Allows to choose the mode in which MUTE functions are restored when the MAXIDRIVE3 4 is switched on The options include Normal Mute when switched on the system restores the last when switched on the system automatically MUTE configuration before switching off sets all the outputs in MUTE Wake up PLE INfojr miali e LCD Contrast Allows to adjust the Display contrast The values are in the following range 0 minimum contrast 32 maximum contrast Lc contrast 5 4 4 LOCK SUBMENU Used to enable or disable the protection of the system against accidental or unauthorized changes gt Lock This function is very useful whenever even temporary changes or tampering with the settings stored in the system must be prevented For example fixed installations used by several operators discothegues clubs conference halls etc sound system rental etc How to enable protection e First of all choose the protection mode Two modes are available Total Partial all editing functions are blocked and only the parameters relative to the Inputs access to the PRESE
37. the system on and off without any problems as the current settings are kept in the buffer memory Nevertheless if this is your work setup it s advisable to store it in a PRESET To unlock the protection e Access the LOCK submenu The display shows the prompt for entering the password to unlock the protection The four alphanumeric characters of the password are encrypted UNLoOcK Enter in the password using the combination of the lt and P keys and the DIAL then press ENTER Note in the event of an incorrect password the display prompts again encrypting all the characters again Protection is unlocked and the system enters default status 5 4 5 MEMORY CARD SUBMENU Memory Card Format Card Allows to format the Multimedia Memory Card Formatting is the preparation of the memory areas of the Card Without formatting or without compatible formatting The Card can t be used by the system ee MLE BHEE gt Memory Card a D How to form at the Card e Insert a Multimedia Memory Card in the slot New or used Cards can be used providing they are compatible min 1MB ATTENTION Formatting cancels any data contained in the Card In the Memory Card submenu press ENTER The Format Card page appears Flojr mjalt Clajrjd CESS ts i a Press ENTER The system formats the Card until it communicates that it has completed This operation only requires a few secon
38. this product e Normal tear and wear e The product has been altered or modified in any way Damage which may have been caused either directly or indirectly by another product force etc e Abnormal service or repairing by anyone other than the qualified personnel or technician And in such cases all the expenses will be charged to the buyer 3 5 In no event shall ALTO be liable for any incidental or consequential damages Some states do not allow the exclu sion or limitation of incidental or consequential damages so the above exclusion or limitation may not apply to you 3 6 This warranty gives you the specific rights and these rights are compatible with the state laws you may also have other statutory rights that may vary from state to state SEIKAKU TECHNICAL GROUP LIMITED No 1 Lane 17 Sec 2 Han Shi West Road Taichung 40151 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 2005 SEIKAKU GROUP NF01131 2 4
39. tical to those of the Input EG please refer to INPUT EQ section for descriptions 5 3 5 Output Gain Output level control Allows to adjust the signal level of each individual output Editing values are between 6dB 30dB with 0 5dB steps Note The level of each output is shown by the respective OUTPUT LEVEL LED ladder To avoid distortion don t let the red CLIP LED light up As automatic protection you can also enable the LIMITER EDIT menu on the outputs that require it In this case remember that enabling the LIMITER changes the display mode on the relative LED ladder in fact the level shown is no longer the absolute output level but the level of the signal In relation to the LIMITER threshold 5 3 6 Output Pol Controls the output s polarity Allows to invert the phase of the signal of individual outputs Editing values are Normal leaves the phase unchanged Reverse shifts the phase through 180 inverting it OP PlotARITY OP PlotARITY The effect of this control is summed with that of the b parameter of the LPF filter Xover EDIT menu which operates with 5 steps in a range of between 0 and 180 In this way it s possible to set the phase of each individual output with 5 steps within a complete 360 revolution a very useful function when assembling arrays of speaker enclosures in the control of the interpolation between various enclosures or between sec
40. tions of the same system 5 3 7 Output Limiter a Output level limiter Allows to keep the signal of each individual output within a set level Can be used effectively to protect the components of a sound system gt Output Limiter The following editable parameters are available b Reaction times Allows to choose between 3 types of Limiter reaction speed In fact these are attack and release times that are optimised so that the Limiter reacts more or less rapidly when the signal exceeds or drops below the threshold Fast short times suited to rapid Limiter operation Normally more suited to outputs dedicated to high frequencies Normal intermediate times suited to the majority of applications Normally more suited to outputs dedicated to mid frequencies or full range systems Slow long times suited to avoiding rapid repeated level jumps pump effect Normally most suited to outputs dedicated to low frequencies LIMITER ATTACK RELEASE FAST lpia L IM I TIEIR lt lt c Threshold Allow to set the level above which the Limiter intervenes limiting the signal and below which it leaves the signal unchanged The editing values are within the following ranges 19 8dBu 10dBu with 0 2dBu steps 7 574V 0 245V with variable steps The measurement unit can be chosen with the Lim Thresh Unit function UTILITY menu Units submenu The Off value disables the LIMITER whereas any other value en
41. uctions Do not discard Heed all warnings Only use attachments accessories specified by the manufacturer Power Cord and Plug Do not tamper with the power cord or plug These are designed for your safety Do not remove Ground connections If the plug does not fit your AC outlet seek advice from a qualified electrician Protect the power cord and plug from any physical stress to avoid risk of electric shock Do not place heavy objects on the power cord This could cause electric shock or fire Cleaning When required either blow off dust from the product or use a dry cloth Do not use any solvents such as Benzol or Alcohol For safety keep product clean and free from dust Servicing Refer all servicing to qualified service personnel only Do not perform any servicing other than those instruc tions contained within the User s Manual PREFACE Dear Customer Thanks for choosing MAXIDRIVE3 4 3 Way Stereo Digital Crossover and thanks for choosing one of the results of ALTO AUDIO TEAM job and researches For our ALTO 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 ALTO line presents unparalleled analogue and digital products made by Musicians for Musicians in our R amp D centers in Italy Netherlands United Kingdom
42. utomatically assume the values of Input A To check this 1 set Input Gangin Off load the Default PRESET set INA Delay 1 and INB Delay 0 2 set Input Gangin On return to the Input Delay menu the display shows INA amp B Delay 1 a if you leave the value unchanged and once again set Input Gangin Off going back to the Input Delay menu the display shows INA Delay 1 and INB Delay 0 original values b if you change the value for example INA amp B Delay 3 and you once again set Input Gangin Off going back to the Input Delay menu the display shows INA Delay 3 and INB Delay 3 new values This condition is used to avoid accidental or temporary enabling of the Ganging function from changing the values of all the stored PRESET The rule can be summed up as follows only the values that have to be intentionally changed are changed So generally speaking to avoid contradictions oversights and confusion between what is shown and what is effectively carried out it s advisable to enable the Ganging functions before starting to edit a PRESET Moreover it s best to make certain to effectively set the required value manually confirming all the parameters required Note The elements in Ganging assume the new value as soon as the DIAL changes the status of the old value So if the value which has to be allocated to the elements in Ganging is the same as the old value it s necessary to use the DIAL temporarily change the value even only b
43. vice Please fill out all the information carefully and genuinely miswriting or absence of this card will void your warranty service 2 RETURN NOTICE 2 1 In case of return for any warranty service please make sure that the product is well packed in its original shipping carton and it can protect your unit from any other extra damage 2 2 Please provide a copy of your sales receipt or other proof of purchase with the returned machine and give detail information about your return address and contact telephone number 2 3 A brief description of the defect will be appreciated 2 4 Please prepay all the costs involved in the return shipping handling and insurance 3 TERMS AND CONDITIONS 3 1 ALTO warrants that this product will be free from any defects in materials and or workmanship for a period of 1 year from the purchase date if you have completed the Warranty Registration Card in time 3 2 The warranty service is only available to the original consumer who purchased this product directly from the retail dealer and it can not be transferred 3 3 During the warranty service ALTO may repair or replace this product at its own option at no charge to you for parts or for labor in accordance with the right side of this limited warranty 3 4 This warranty does not apply to the damages to this product that occurred as the following conditions e Instead of operating in accordance with the user s manual thoroughly any abuse or misuse of
44. y one step and then go back to the old value a Input Ganging Allows to enable disable Ganging function on the inputs The settings are Disabled Enabled _Ganging ETIT Igielt ff b Output Ganging Used to enable disable Ganging function on the outputs The settings are Disabled Enabled 5 4 2 UNITS SUBMENU Units Delay Unit Lim Thresh Unit Temperature Unit Used this submenu to choose the measurement units to be used with certain functions a Delay Unit Used to set the measurement units in which Delays are expressed DELAY menu The options include m meters mm millimeters ms milliseconds ms microseconds Measurement units for Input Delay Measurement units for Output Delay Dellay Unit Deliay Unit b Lim Thresh Unit Used to set the measurement units for the threshold of the Limiter EDIT menu Output Limiter The options include dBu decibel 0 dBu 0 775 V rms V volt Lim rhirlessh Unit Lim rhirlessh Unli c Temperature Unit Used to set the measurement units for the Temperature function UTILITY menu Misc Setup submenu The options include C degrees Centigrade F degrees Fahrenheit TemPerature Unit FLT TTT TT TTT TTI ile 5 4 3 Misc Setup submenu Misc Setup 4 Input Select Output meters Temperature Wake Up LCD Contrast
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