Telex Pro Audio Group DN3600C Operators & Service Manual Download Page 2

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CONTENTS

DECLARATION OF CONFORMITY

INTRODUCTION

INSTALLATION

INSTRUMENT FAMILIARISATION

GETTING STARTED

Q SWITCHING

MEMORY OPERATION

AUTO EQ

AUTO GAIN

MASTER/SLAVE OPERATION

REFERENCE SECTION:
DETAILS OF OPERATION

DEFAULT/START UP

FADER ADJUSTMENT

GAIN ADJUSTMENT

CURVE/FADER

MORE EQ

A : B : LINK

UTILITIES

BYPASS AND RESET

MORE EQ MENU AND DISPLAY

FILTERS

A : B : LINK

IN/OUT

EXIT

FILTER ADJUST

NOTCH1/2

23
23

BACK

UTILITIES MENU

AUTO/Q

MEMORY

MORE...

EXIT

AUTO/Q MENU

AUTO GAIN

AUTO EQ

Q TYPE

EXIT

Summary of Contents for DN3600C

Page 1: ...Operators Service Manual DN3600C Version 3 0C TELEX PRO AUDIO GROUP Klark Teknik Building Walter Nash Road Kidderminster Worcestershire DY11 7HJ England Tel 01562 741515 Fax 01562 745371 ...

Page 2: ...ON 18 REFERENCE SECTION DETAILS OF OPERATION 20 DEFAULT START UP 20 FADER ADJUSTMENT 20 GAIN ADJUSTMENT 20 CURVE FADER 20 MORE EQ 21 A B LINK 21 UTILITIES 21 BYPASS AND RESET 21 MORE EQ MENU AND DISPLAY 22 FILTERS 22 A B LINK 22 IN OUT 22 EXIT 22 FILTER ADJUST 23 NOTCH1 2 23 23 BACK 24 UTILITIESMENU 24 AUTO Q 24 MEMORY 24 MORE 24 EXIT 24 AUTO Q MENU 25 AUTO GAIN 25 AUTO EQ 25 Q TYPE 25 EXIT 25 ...

Page 3: ...NU 28 SLAVES 28 STAND ALONE 28 ALL 28 SLAVES 1 TO 64 28 MIDI CHAN 29 ADJ LCD 29 INV LCD 29 FREQUENCY ENCODER 29 LEVEL ENCODER 29 EXIT 29 TECHNICALSPECIFICATION 30 MENU STRUCTURE 31 SERVICE INFORMATION FUSE SPECIFICATION 34 MIDI CONNECTIONS 34 VOLTAGE CHANGE OVER 34 SCHEMATIC DIAGRAMS 36 ...

Page 4: ...over DN8000 Programmable Equaliser DN4000 The Basis on which Conformity is being Declared The Products named above and hence the Variants thereof listed above comply with the re quirements of the above EU directives by meeting the following standards EN 50081 1 EN55022 class B EN 50082 1 IEC801 Part 2 4 ENV 50140 ENV 50141 EN 60065 Signed N G Tembe Authority Head of Engineering EVI Audio U K Plc D...

Page 5: ...ration for the audio signals may result in degraded performance due to electromagnetic interference Electric Fields Should this product be used in an electromagnetic field that is amplitude modulated by an audio frequency signal 20Hz to 20KHz the signal to noise ratio may be degraded Degrada tion of up to 60dB at a frequency corresponding to the modulation signal may be experienced under extreme c...

Page 6: ...ons Power Connection Connection is made by means of an IEC standard power socket The unit will operate off any AC voltage between 100 Vac and 240 Vac 50 Hz to 60Hz Before connecting this unit to the mains supply ensure that the fuse fitted is the correct type and rating as indicated on the rear panel adjacent to the fuse holder Safety Warning This unit is fitted with 3 pin power socket For safety ...

Page 7: ...s undergone stringent quality control inspection and tests prior to packing and left the factory in perfect condition If however the unit shows any signs of damage notify the transportation company without delay Only you the consignee may institute a claim against the carrier for damage during transportation If necessary contact your supplier or as a last resort your Klark Teknik importing agent w...

Page 8: ...fargreaterheadroomanddynamicrangethanispossibleusingstandard20 bitlinear digital systems Benefiting from revised circuitry these filters are exceptionally reliable and offer greater stability than discrete designs They are also relatively immune to electromagnetic interference unlike coil based filters Separate supply rails are used for the digital and analogue circuitry which in combination with ...

Page 9: ...nd gain Installation The inputs and outputs are electronically fully balanced on XLR connectors and are wired conventionally with pin 1 as ground Because the system is fully floating either pin 2 or pin 3 can be designated as hot so long as the same protocol is adhered to for both the input and the output connectors The DN3600 is designed for use in both fixed and mobile installations where it can...

Page 10: ...justed by means of the LEVEL control An alternative method of frequency selection is to use the FREQ rotary control FREQ This rotary control may be used to select any of the equaliser bands for adjustment as an alternative to using the Frequency buttons Also a number of adjacent faders may be selected by holding a single button until it flashes and then using the FREQ rotary control The FREQ rotar...

Page 11: ...egment bargraph level meters monitor the signal level in channels A and B over the range 12dB to 15dB The Clip warning LED monitors seven different points within the circuitry of the DN3600 and flashes if the level at any point comes within 2dB of clipping POWERSWITCH Switchestheunitonandoff Whentheunitisoff thereisahardrelaybypass which connects the input signal directly to the output Rear Panel ...

Page 12: ...nnel A Channel B will follow changes to channel A If Link mode is entered from channel B the screen continues to display channel B Channel A will follow changes to channel B FILTERS AccesstothehighandlowpassfiltersandnotchfiltersisviatheMoreEQkey Filter and notch positions are displayed on a frequency response curve that changes in real time with any adjustments The user may select the filters of ...

Page 13: ...ting atlowboostorcutthefiltersexhibitarelativelywideQwhichresultsinasmooth response with very low ripple and phase error At high boost or cut the filter Q sharpens to allow notching accentuationofparticularfrequencieswithjustenoughcombiningtoprovidecut boost in between adjacent bands Q 27 At full boost or cut this setting is the same as Q 360 At lower settings of boost or cut although the filter Q...

Page 14: ...ilities Memory andSave in turn on the soft keys The memory number defaults to that lastused althoughanewmemorylocationmaybeenteredifdesired UsetheFREQ orLEVEL rotary controls to select the memory location by number and use the Frequency keys to give the new memory a name or to overwrite the previous name The key has a backspace function The SHIFT key gives access to the numbers 0 to 9 To complete ...

Page 15: ...n the venue 4 Slowly bring up the level of the pink noise through the sound system to an average listening level 5 Set the DN60 controls to Avg Cont Resp 3 1 dB resolution mic input Adjust the DN60 Reference Level until the full frequency response display is seen 5 Switch the More EQ section OUT More EQ In Out Exit if required 6 Enter the DN3600 Auto Q menu Utilities Auto Q Repeatedly press the Au...

Page 16: ... the DN60 operators manual Bypass the DN3600 Perform the Auto EQ function once and once only Do not iterate Note The spectrum display may be frozen by saving it to a DN60 memory and switching to mem mode The room response is corrected subject to the Auto EQ adjustment limit of 4 dB This Auto EQ adjustment limit is the reason for the approximate room correction The reason for performing the Auto EQ...

Page 17: ...witch the More EQ section OUT More EQ In Out Exit if required 6 Make sure that the DN6000 is not muted and is running 7 Adjust the Level and Level Trim controls of the DN6000 so that the spectrum analysis is displayed as much as possible in the upper half of the LCD 8 EntertheDN3600Auto Qmenu pressUtilities Auto Q RepeatedlypresstheAutoEQ button allowing sufficient time between presses for the DN6...

Page 18: ...g the DN3600 closer to flat With the DN3600 bypassed this cannot happen Hence the same correction factor would be added each time AUTO GAIN The Auto Gain function when activated assists in making the best use of the dynamic range and headroom of the DN3600 When frequency bands are boosted the average signal level rises and it is advisable to reduce the gain of the equaliser to prevent overload Whe...

Page 19: ...gram change commands without the need for a DN3600 master unit This provides an economical way of managing a large installation as the slave system is both cost effective and secure from inadvertent tampering Master Slave configuration is automatic when two or more DN3600 and or DN3601 units are linked in a closed loop via their Pro MIDI interfaces MIDI OUT to MIDI IN Note The loop must be closed ...

Page 20: ...function now will adjust all the units in the loop to equalise the spectrum of the DN60 DN6000 connected to the master To return to normal operation ie adjustment of the Master itself the Slaves selection must be returned to STAND ALONE The slave units will retain their current settings until changed All controls and display modes now affect only the Master unit Note AMIDIloopcanonlyhaveoneMaster ...

Page 21: ...e case of a range of faders the average fader level is shown as text at the top of the screen Also shown at the top of the screen are current Memory name Q mode and Channel being addressed Gain Adjustment PressingtheGAINkeyatanytimetogglesbetweengainadjustmentandfaderadjustment When gain adjustment is selected the gain fader is highlighted Gain may be adjusted by use of the LEVEL rotary control Th...

Page 22: ...If Link mode is entered from channel A channelAisdisplayedandchannelBfollowsit IfLinkmodeisenteredfromchannelB channel B is displayed and channel A follows The A B Link status is shown at the top of the screen as A B A B or B A Utilities Soft key 3 is accompanied by the text Utilities Pressing this key selects the Utilities menu See below Bypass and Reset Soft key 4 is accompanied by the text Bypa...

Page 23: ...om channel A channelAisdisplayedandchannelBfollowsit IfLinkmodeisenteredfromchannelB channel B is displayed and channel A follows The A B Link status is shown at the top of the screen as A B A B or B A Selection of Link only links the operation of the two channels it does not copy details between the channels except when changes are made to certain settings Full details are provided below in the s...

Page 24: ...he settings of both channels are increased or decreased by 1dB per click of the rotary control Notch depth is shown as text at the top of the screen Notch 2 Soft key 2 is accompanied by the text Notch 2 When pressed and highlighted the key selects Notch2foradjustment TheNotchfilterfrequencyissetbyuseoftheFrequencykeys 1 3octave ISO frequencies or by the FREQ rotary control 1 12 octave steps When l...

Page 25: ...e 30 Graphic faders for the addressed channel Curve display calculates the actual frequency response of the unit taking into account fader positions filter Q and interaction low pass and high pass filters notches and gain Auto Q Soft key 1 is accompanied by the textAuto Q When pressed this key selects the Auto Qmenu See below Memory Softkey2isaccompaniedbythetextMemory Whenpressed thiskeyselectsth...

Page 26: ...cted to a Klark Teknik model DN60 DN6000 Real Time Spectrum Analyser via their respective DN60 Interface and Plotter Data ports When the key is pressed the DN3600 reads the frequency spectrum as displayed at that moment by the DN60 DN6000 analyser Fader adjustments are then applied to the selected channel A B or in LINK mode both to compensate for the analysed room or system response The unit rema...

Page 27: ...At this point all the fader filter Gain Q and channel settings are updated The unit returns to the start up screen The current memory name is shown as text at the top of the screen The current memory number is shown in the NUMBER window unless any manual changes are made Save Soft key 2 is accompanied by the text Save This key allows the current equaliser settings to be stored in any of the 66 mem...

Page 28: ...eys 2 The procedure can be aborted by pressing the Exit key 3 Press the Full key Partial PartiallockpreventsaccesstoallcontrolsexceptforMemoryRecall AfterPartialLockhasbeen set the only action possible is to Recall a memory press the Recall key or unlock the unit by pressing the Unlock key and typing in the correct password If the correct password is typed in the Partial Lock is defeated To set Pa...

Page 29: ...N3601 units Use the FREQ or LEVEL rotary control to cycle through the various options STAND ALONE The normal mode of operation All controls and adjustments affect only the one local DN3600 unit The DN3600 must always be returned to STAND ALONE mode in order to control itself ALL All controls and adjustments affect all the compatible slave devices connected into the network including the local Mast...

Page 30: ...mory recall commands entered via the front panel Adj LCD Soft key 3 is accompanied by the text Adj LCD This key allows access to the LCD adjustment screen When this key is pressed the menu options change to Inv LCD Exit Inv LCD When pressed this switch toggles the LCD screen between Normal display white or green characters and graphics on a blue screen and Inverted display blue characters and grap...

Page 31: ...4dBu Overload indicator 19dBu Gain 18 to 6dB FILTERS Type Revised MELT hybrid Graphic ISO Centre Frequencies 30 25Hz 20kHz 1 3 Octave Tolerance 5 Maximum Boost Cut 12dB Step size 1 2dB High pass filter slope 12dB Octave 20Hz 400Hz Step size 1 3 Octave Low pass filter slope 12dB Octave 30kHz 1 6kHz Step size 1 3 Octave Notch filters Two per channel varying Q Maximum cut 12dB Step size 1 12 Octave a...

Page 32: ...RE MORE EQ A B LINK UTILITIES BYPASS FILTERS A B IN OUT EXIT NOTCH 1 NOTCH 2 BACK AUTO Q MEMORY MORE EXIT AUTO GAIN MIDI CHAN SLAVES ADJ LCD EXIT AUTO EQ Q TYPE INV LCD EXIT EXIT RECALL SAVE LOCK EXIT FULL PARTIAL EXIT UNLOCK UNLOCK RECALL ...

Page 33: ...32 ...

Page 34: ...33 Service Information ...

Page 35: ...00mAT MIDI Connections DN3600 Pro MIDI XLRs correspond to standard MIDI 5 pin DIN connectors thus DIN XLR Pin 5 data Pin 3 Pin 4 5V Pin 2 Pin 2 GND Pin 1 Voltage Change Over The unit automatically adjusts to any input voltage in the range 100 to 240 Vac 50 to 60 Hz Battery Replacement Caution Danger of explosion if battery is incorrectly replaced Replace only with the same or equivalent type recom...

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