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American Audio Mixer QD1 MKII User Manual

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    Q-D1 MKII
    ™
    Professional Preamp MixerUser Instructions
    American Audio
    4295 Charter Street
    Los Angeles Ca. 90058
    www.AmericanAudio.us9/05 
    						
    							
    ©American Audio®   -   www.AmericanAudio.us   -   Q-D1 MKII™ Instruction Manual Page 2
    MAIN FEATURES....................................................................................................................................2
    WARRANTY REGISTRATION..................................................................................................................2
    SAFETY  PRECAUTIONS........................................................................................................................3
    ELECTRICAL  SAFETY  PRECAUTIONS.................................................................................................4
    SAFETY  INSTRUCTIONS.......................................................................................................................5
    UNPACKING................................................................... ............................................................6
    INTRODUCTION........... ................................................... ......................................................................6
    SET-UP  PRECAUTIONS.........................................................................................................................6
    QUICK START.........................................................................................................................................7
    FUNCTIONS AND CONTROLS
      FRONT  PANEL...................................
    .........................................................................................8
      REAR  PANEL........................
    ....................................................................................................10
    TYPICAL MIXER SET-UP ........................
    .............................................................................................12
    CLEANING.................. ................................................. ................................................... 14
    CROSS FADER REPLACEMENT.........
    .................................................................................................14
    WARRANTY............................................................... ..........................................................................15
    SPECIFICATIONS ................................................... ....................................................................16
        Q-D1  MKII™                                                                        CONTENTS  
      Q-D1  MKII™                                                          MAIN  FEATURES
    • Fader “Q” Start              • Independent Gains Per Channel
    •  Q-Start Compatible (for use with compatible      • Front Access Headphone Jack
        (American Audio CD Players )          • Low Residue Resistance Crossfader   
    • Equipped with high quality Crossfader       • 2 Band EQ per channel
        (Replaceable)              • 2 Phono, & 2 Line Level Inputs   
     • High output to headphones          • Two Turntable Ground Prongs 
    • Cue Mixing               • Front Access 1/4” Mic Jack
    • Extremely clean signal to noise ratio        • Record Out
    • Power Switch     
    The    Q-D1  MKII™  carries  a  one  year  limited  warranty.  Please  fill  out  the  enclosed  warranty  card  to 
    validate your purchase. All returned service items whether under warranty or not, must be freight pre-
    paid  and  accompany  a  return  authorization  (R.A.)  number.  The  R.A.  number  must  be  clearly  written 
    on  the  outside  of  the  return  package.  A  brief  description  of  the  problem  as  well  as  the  R.A.  number 
    must  also  be  written  down  on  a  piece  of  paper  and  included  in  the  shipping  container.  If  the  unit  is 
    under  warranty,  you  must  provide  a  copy  of  your  proof  of  purchase  invoice.  You  may  obtain  a  R.A. 
    number by contacting customer support at (800) 
    322-6337.
      Q-D1  MKII™                                              WARRANTY  REGISTRATION
    Please Note: Specifications and improvements in the design of this unit and this manual are subject 
    to change without any prior written or published notice.
    For service parts visit http://parts.americandj.com 
    						
    							
    ©American Audio®   -   www.AmericanAudio.us   -   Q-D1 MKII™ Instruction Manual Page 3
    NOTE:  This  product  satisfies  FCC 
    regulations  when  shielded  cables 
    and  connectors  are  used  to  con
    -
    nect  the  unit  to  other  equipment. 
    To  prevent  electromagnetic  inter
    -
    ference  with  electrical  appliances 
    such as radios and televisions, use 
    shielded  cables  and  connectors 
    for connections.
    WARNING: TO PREVENT FIRE OR ELECTRIC 
    SHOCK  HAZARD,  DO  NOT  EXPOSE  THIS 
    UNIT TO RAIN, LIQUIDS, OR MOISTURE 
    CAUTION:  TO  PREVENT  ELECTRIC  SHOCK 
    DO  NOT  USE  THIS  (POLARIZED)  PLUG 
    WITH  AN  EXTENSION  CORD,  RECEPTACLE, 
    OR  OTHER  TYPE  OF  ELECTRICAL  OUTLET 
    UNLESS  THE  WIDE  BLADES  CAN  BE 
    CAREFULLY  INSERTED  INTO  A  MATCHING 
    WIDE SLOT.
    ATTENTION:  POUR  PREVENIR  LES  CHOCS 
    ELECTRIQUES  NE  PAS  UTILISER  CETTE 
    FICHE  POLARISEE  AVEC  UN  PROLON-
    GATEUR,  UNE  PRISE  DE  COURANT  OU 
    UNE  AUTRE  SORTIE  DE  COURANT,  SAUF 
    SI  LES  LAMES  PEUVENT  ETRE  INSEREES  A 
    FOND SANS EN LAISSER AUCUNE PARTIE A 
    DECOUVERT.
        Q-D1  MKII™                                        ELECTRICAL  SAFETY  PRECAUTIONS
    POWER SUPPLY INLET
    POWER SUPPLY
    •  This unit requires an outboard AC 9v power  
      supply. 
    •  Be sure to only use the included power  
      supply.
    •  This unit may be operated in different volt- 
      age areas with an adequate power supply  
      available from American Audio
    ®.
    The  serial  and  model  number  for  this  unit  is 
    located  on  the  rear  panel.  Please  write  down 
    the  numbers  here  and  retain  for  future  refer
    -
    ence. 
    Model No._____________________________
    Serial No._____________________________
    Purchase Notes:
    Date of Purchase_______________________
    Dealer Name__________________________
    Dealer Address_________________________
    _____________________________________
    _____________________________________
    Dealer Phone__________________________ 
    						
    							
    ELECTRICAL PRECAUTIONS
    RISK OF ELECTRIC SHOCKDO NOT OPEN
    CAUTION
    The exclamation point within an equilateral triangle is
    intended to alert the  user  to the  presence  of important
    operating  and maintenance  (servicing) instructions  in
    the literature accompanying the appliance.
    The lightning flash with arrowhead symbol, within anequilateral triangle, is intended to alert the user to thepresence of uninsulated "dangerous voltage" within the
    product's  enclosure  that may  be of sufficient  magnitude
    to constitute a risk of electric shock to persons.
    READ INSTRUCTIONS — All the  safety  and operating
    instructions  should be read  before  the product is
    operated.
    RETAIN INSTRUCTIONS —  The safety and operatin
    g
    instructions  should be retained for future  reference.
    HEED  WARNINGS — All  warnings  on the  product  andin the  operating  instructions  should be adhered to.
    FOLLOW  INSTRUCTIONS — All  operating  and use
    instructions should be followed.
    CLEANING 
    — T he  product  should be cleaned  only witha polishing  cloth or a soft dry cloth.  Never  clean withfurniture  wax, benzine,  insecticides  or other volatile
    liquids since they may corrode the cabinet.A TTACHMENTS — Do  not  use attachments  not
    recommended  by the  product  manufacturer  as they
    may cause hazards.
    WATER  AND MOISTURE 
    — Do  not  use this  product
    near water — for  example,  near a bathtub,  wash
    bowl,  kitchen  sink, or laundry  tub; in a wet  basement;
    or near a swimming pool; and the like.
    ACCESSORIES 
    —  Do  not  place this  product  on an
    unstable  cart, stand,  tripod,  bracket,  or table.  The
    product  may fall, causing  serious injury to a child oradult,  and serious  damage to the  product.  Use onlywith a  cart,  stand,  tripod,  bracket,  or table
    recommended  by the  manufacturer,  or sold with
    the  product.  Any mounting  of the  product  shouldfollow the manufacturerʼs  instructions, and should
    use a  mounting  accessory  recommended  by the
    manufacturer.
    CART — A  product  and cart combination  should be
    moved with  care.  Quick  stops,  excessive  force, and
    uneven  surfaces  may cause  the product  and cart
    combination to overturn.
    VENTILATION 
    —  Slots  and openings in the  cabinet  are
    provided  for ventilation  and to ensure  reliable
    operation  of the  product  and to protect it from
    overheating,  and these  openings  must not be
    blocked  or covered.  The openings  should never be
    blocked  by placing  the product  on 
    a bed,  sofa,  rug,
    or  other similar  surface.  This product  should not be
    placed in a built-in  installation  such as a bookcase  or
    rack  unless  proper ventilation is provided  or the
    manufacturerʼs  instructions have been  adhered to.
    POWER  SOURCES — This  product  should be operated
    only  from  the type  of power  source  indicated  on the
    marking  label. If you  are not sure  of the  type  of
    power  supply to your  home,  consult  your product
    dealer or local power company.
    LOCATIO
    N –  The  appliance  should be installed in a
    stable location.
    NONUSE  PERIOD
    S – The  power  cord of the  appliance
    should  be unplugged  from the outlet  when left un-
    used for a long period of time. GROUNDING OR POLARIZATION
    •
    If this  product  is equipped  with a polarized  alternating
    current  line plug (a plug  having  one blade  wider than
    the  other), it will fit into  the outlet  only one way.  Thisis a safety  feature. If you  are unable to insert  the plugfully into  the outlet,  try reversing  the plug. If the  plug
    should still fail to fit,  contact  your electrician to
    replace  your obsolete outlet.  Do not  defeat the
    safety purpose of the polarized plug.
    • If this  product  is equipped  with a three-wire
    grounding  type plug, a plug  having a third  (grounding)
    pin, it will  only fit into a grounding  type power outlet.
    This is a  safety  feature. If you  are unable to insert the
    plug into  the outlet,  contact  your electrician to
    replace  your obsolete outlet.  Do not  defeat the
    safety purpose of the grounding type plug.
    POWER-CORD  PROTECTION 
    - Power-supply  cords
    should  be routed  so that  they  are not likely to be
    walked  on or pinched  by items placed  upon or
    against  them, paying  particular  attention to cords  at
    plugs,  convenience  receptacles, and the point  where
    they exit from the product.
    OUTDOOR ANTENNA GROUNDING —  If an outside
    antenna  or cable  system  is connected  to the  product,
    be  sure  the antenna  or cable  system is grounded  so
    as  to provide  some protection  against voltage  surges
    and  built-up  static charges.  Article 810 of the  National
    Electrical  Code, ANSI/NFPA  70, provides  informatio
    nwith regard to proper  grounding  of the  mast  and
    supporting  structure, grounding  of the  lead-in  wire
    to an  antenna  discharge unit, size of grounding
    conductors,  location of antenna-discharge  unit,
    c o n n e c t i o n  t o g r o u n d i n g  e l e c t r o d e s ,  a n d
    requirements  for the  grounding  electrode. See  Figure
    A.
    LIGHTNING 
    —  For  added  protection for this product
    during a  lightning  storm, or when  it is  left  unattended
    and  unused for long  periods  of time, unplug it from
    the wall  outlet  and disconnect  the antenna  or cable
    system.  This will prevent  damage to the  product
    due to lightning and power-line surges.
    POWER  LINES 
    — An  outside  antenna  system should
    not  be located in the  vicinity  of overhead  power lines
    or other electric light or power circuits, or where it
    can 
    fall into  such  power  lines or circuits.  When
    installing  an outside  antenna  system, extreme  care
    should  be taken to keep  from touching  such power
    lines  or circuits  as contact  with them  might  be fatal.OVERLOADING — Do  not  overload  wall outlets,
    extension  cords, or integral  convenience  receptacles
    as this can result in a risk of fire or electric shock. OBJECT 
    AND LIQUID  ENTRY 
    - Never  push  objects  of
    any  kind into this product  through  openings  as they
    may  touch  dangerous  voltage points or short-out
    parts  that could  result 
    in a fire or electric  shock.
    Never spill liquid of any kind on the product.
    SERVICING —  Do  not attempt to service this  product
    yourself  as opening  or removing  covers may expose
    you 
    to  dangerous  voltage or other  hazards. Refer  all
    servicing to qualified service personnel.
    DAMAGE  REQUIRING  SERVICE  - Unplug this  product
    from the wall outlet and refer servicing to qualified
    service personnel under the following conditions:
    • W hen the power-supply cord or plug is damaged.
    •If liquid  has been  spilled,  or objects  have fallen into
    the product.• If the product has been exposed to rain or water.•If the  product  does not operate  normally  by following
    the  operating  instructions.  Adjust only those  controls
    that  are covered  by the  operating  instructions  as an
    improper  adjustment  of other  controls  may result 
    in
    damage and will often require extensive work by a
    qualified  technician to restore  the product to its
    normal operation.
    •If  the  product  has been  dropped  or damaged in anyway.
    • W hen the product  exhibits a distinct  change in
    performance — this indicates a need for service.
    REPLACEMENT  PARTS 
    -- When  replacement  parts
    are  required,  be sure  the service  technician  has used
    replacement  parts specified  by the  manufacturer  or
    have  the same  characteristics  as the  original  part.
    Unauthorized  substitutions may result  in fire,  electri
    c
    shock, or other hazards.
    SAFETY  CHECK 
    - Upon  completion  of any  service  or
    repairs to this  product,  ask the service  technician to
    perform  safety checks to determine  that the product
    is in proper operating condition.
    WALL  OR CEILING  MOUNTING 
    — The  product  should
    not be mounted to a wall or ceiling.
    HEAT 
    —  The  product  should be situated  away from heat
    sources  such as radiators,  heat registers,  stoves, or
    other  products  (including 
    amplifiers)  that produce
    heat.
    IMPORTANT SAFETY INSTRUCTIONS
    ANTENNA
    LEAD IN
    WIRE
    GROUND
    CLAMP
    ANTENNA
    DISCHARGE UNI
    T
    (NEC SECTION 810-20)
    GROUNDING CONDUCTOR
    S
    (NEC SECTION 810-21)
    GROUND CLAMPS
    POWER SERVICE GROUNDING
    ELECTRODE SYSTEM
    (NEC ART 250, PART H)
    ELECTRIC
    SERVICE
    EQUIPMENT
    Fig. 
    A NEC — NATIONAL ELECTRICAL CODE
    C A U T I O N : T O R E D U C E  T H E R I S K  O F E L E C T R I C 
    SHOCK, DO NOT REMOVE THE COVER (OR BACK). 
    T H E R E  A R E N O U S E R  S E R V I C E A B L E  P A R T S 
    INSIDE  REFER  SERVICE  TO YOUR  AUTHORIZED 
    AMERICAN AUDIO® SERVICE TECHNICIAN.
       Q-D1  MKII™                            ELECTRICAL  SAFETY  PRECAUTIONS
    ©American Audio®   -   www.AmericanAudio.us   -   Q-D1 MKII™ Instruction Manual Page 4 
    						
    							
    ©American Audio®   -   www.AmericanAudio.us   -   Q-D1 MKII™ Instruction Manual Page 5
    1.  For  adult  use  only  -  Keep  out  of  the  reach 
    of   children.
    2.  Water and Moisture - The player should not 
    be  used  near  water  -  for  example,  near  a  bath 
    tub,  kitchen  sink,  laundry  tub,  in  a  wet
     base-
    ment or near a swimming pool, etc.
      Do not s pill 
    water or other liquids in to or on to your mixer.
    3.  Ventilation - The Mixer should be situ ated so 
    that  its  location  or  position  does  not  interfere 
    with  its  proper  ventilation.  For  example,  the
     
    Mixer  should  not  be  situated  on  a  bed,  sofa, 
    rug,  or  similar  surface  that  may  block  the  ven
    -
    tilation  openings;  or,  placed  in  a  built-in  instal
    -
    lation, such as a bookcase or cabinet that may 
    impede  the  flow  of  air  through  the  ventilation 
    openings.
     
    4.  Heat  -  The  Mixer  should  be  situated  away
     
    from  heat  sources  such  as  radiators,  heat  reg
    -
    isters,  stoves,  or  other  appliances  (including 
    amplifiers) that produce heat.
    5.  Power  Sources  -  The  Mixer  should  be  con
    -
    nected  to  a  power  supply  ( wall  outlet)
     only  of 
    the type described in the operating instructions 
    or as marked on the Mixer.
    6.  Servicing  -The  user  should  not  attempt  to 
    service  the  Mixer  beyond  that  described  in  the 
    operating  instructions.  There  are  no  user  ser
    -
    viceable parts  inside. All other servicing should 
    be  referred  to  qualified  service  personnel.  The 
    Player  should  be  serviced  by  qualified  service 
    personnel when:
        A.   The power-supply cord or the plug has  
       been damaged.
        B.  Objects have fallen, or liquid has been   
       spilled into the Mixer.
         C.  The Mixer has been exposed to rain  
       or water.
         D.  The Mixer does not appear to operate  
       normally or exhibits a marked change  
      in performance.
    7.  Never  disassemble  or  modify  your  unit  in 
    any  way,  doing  so  will  void  your  manufactures 
    warranty.
       Q-D1  MKII™                                    SAFETY  INSTRUCTIONS
    8.  Never plug this mixer in to a dimmer pack.
    9.  Do  not  let  insecticides,  benzene,  or  thinner 
    come in contact with the surface of the unit.
    10
    .  This unit is intended for indoor use only , use 
    of
      this product outdoors voids all  warranties.
    11.  Always  mount  this  unit  in  safe  and  stable
     
    matter.
    12
    .  Disconnect from main  power before making 
    any type of connection.
    13
    .  Cleaning - The  mixer  should be cleaned only 
    as
      recommended by the manufacturer.   Use a 
    soft
      cloth to wipe down the outside of the unit. 
    For
      stubborn stains moisten a soft cloth with 
    glass  cleaner
     or other mild detergent to wipe 
    away
      any stains. Use a soft cloth to wipe any 
    residual
      cleaner. Never use volatile cleaners   
    such   as  benzene
    , solvent,   or thinner to clean 
    your
      unit, these cleaners will damage the units 
    surface. 
    14. Handle the power supply cord carefully. Do 
    not  damage  or  deform;  it  may  cause  electric 
    shock  or  malfunction  when  used.  Hold  plug 
    attachment when removing from wall outlet. Do 
    not pull on the cord.
    15. To avoid electric shock, do not open the top 
    cover  when  the  unit  is  plugged  in.  If  problems 
    occur  with  the  unit,  call  American  Au
    d io®  cus-
    tomer support.
    16. Do  not  place  metal  objects  or  spill  any  liq
    -
    uids    inside  or  on  the  mixer.  Electric  shock  or 
    malfunction may occur.
    17. Power Cord Protection - Power supply cords 
    should  be  routed  so  that  they  are  not  likely  to 
    be walked on or pinched by items placed upon 
    or  against  them,  paying  particular  attention  to 
    cords  at  plugs,  convenience  receptacles,  and 
    the point where they exit from the mixer.  Route 
    your power cord out of the way of foot traffic.
    18. Always  have  the  front  gain  controls  set  to 
    their lowest level during initial power-up to pre
    -
    vent speaker damage. 
    						
    							
    Introduction: 
    Congratulations and thank you for purchasing the American Audio
    ® Q-D1 MKII™ professional audio 
    pre-amp/mixer. This mixer is a representation of American Audio’s continuing commitment to produce 
    the best and highest quality audio products possible at an affordable price. The Q-D1 MKII™ comes 
    with a one year limited warranty! Please read and understand this manual completely before attempt
    -
    ing to operate your new mixer. This booklet contains important information concerning the proper and 
    safe operation of your new mixer.
    Customer Support: 
    American Audio
    ® provides a toll free customer support line, to provide set up help and  to answer any 
    question should you encounter problems during your initial set up or operation. You may also visit us 
    on the web at www.AmericanAudio.us for any comments or suggestions. Service Hours are Monday 
    through Friday 8:00 a.m. to 4:30 p.m. Pacific Standard Time.
      Voice:    (800) 322-6337
      Fax:     (323) 582-2610
      E-mail:   [email protected]
    Caution!  There  are  no  user  serviceable  parts  inside  this  mixer.  Do  not  attempt  any  repairs  yourself, 
    doing  so  will  void  your  manufactures  warranty.  In  the  unlikely  event  your  mixer  may  require  service, 
    please contact American Audio® customer support.
    Do not discard the packing carton in the trash. Please recycle when ever possible.
      Q-D1  MKII™                                                        INTRODUCTION
      Q-D1  MKII™                                                                              UNPACKING
    Every Q-D1 MKII™ has been thoroughly tested and has been shipped in perfect operating condition. 
    Carefully check the shipping carton for damage that may have occurred during shipping. If the carton 
    appears to be damaged, carefully inspect your mixer for any damage and be sure all equipment nec
    -
    essary to operate the mixer has arrived intact. In case damage has been found or parts are missing, 
    please contact our toll free customer support number for further instructions, please do not return the 
    mixer to your dealer.
    ©American Audio®   -   www.AmericanAudio.us   -   Q-D1 MKII™ Instruction Manual Page 6
    Please  make  any  connections  before  you  plug  the  mixer  in.  Be  sure  the  Power  switch  is  in  the  OFF 
    position before connecting other devices to the mixer. All fader and volume controls should be set to 
    0  or  minimum  position,  before  the  device  is  switched  on.  If  the  device  has  been  exposed  to  drastic 
    temperature fluctuation (e.g. after transportation), do not switch on the mixer immediately. The arising 
    condensation of water might damage your device. Leave the device switched off until it has reached 
    room temperature.
    Operating Determinations:
    •  When installing this mixer, please make sure that the device is not exposed to extreme heat,  
      moisture or dust!
    •  There should not be any cables lying around. Doing so endangers you as well as others. 
    •  Do not operate the mixer in extremely hot (more than 30° / 100°F) or extremely cold (less than  
      5°C/40°F) surroundings. 
    •  Keep the unit out of direct sunlight and away from heaters.
    •  Operate the mixer only after becoming familiar with its functions. Do not permit operation by  
      persons not qualified for operating the mixer. Most damages are the result of unprofessional  
      operation!
      Q-D1  MKII™                                            SET-UP  PRECAUTIONS 
    						
    							
    QUICK  START: American  Audio®  would  like  to  thank  for  your  purchase  of  this  great  product.  For 
    those of you that are to impatient to read the entire user manual we have compiled these quick start 
    instructions. We hope that you will at least read through these instructions to familiarize yourself with 
    the basic understanding of the unit. The Q-D1 MKII™ is part of American Audio’s continuing evolution 
    in  audio  technology.  This  unit  has  been  built  and  designed  with  the  typical  DJ  in  mind,  by  DJ’s.  We 
    have attempted to provide you with the most reliable product on the market by using only components 
    constructed of the finest material.
    MASTER LEVEL (1) - Use this level control to set your master volume output. Try never to send 
    an output of more than +4dB to your system. Signal at levels higher than this will start to distort and 
    may cause damage to your system and speakers. Remember that a distorted signal from you mixer 
    will only be multiplied throughout your system.
    PHONO/LINE  SELECTOR  SWITCH  (10)  - This  switch  is  used  to  change  the  selected  input 
    from  phono  level  to  line  level  and  vice  versa.  Channels  1  and  2  may  be  switched  PHONO  or  LINE. 
    Use  “LINE”  for  line  level    devices  such  as  CD  players  and  tape  decks.  Use  “PHONO”  for  magnetic 
    turntables only (DJ turntables).
    CHANNEL  GAIN  LEVEL  (13)  - The  channel  gain  levels  are  not  to  be  used  as  volume  controls. 
    Never use the channel trim to set the output volume. These controls are used to aid in distortion con
    -
    trol. Use these control to preset your signal level before the crossfader. With your channel faders in the 
    maximum position, use the channel trim level to set an average output level of about +4dB.
     
    HEADPHONES (6) - To avoid damaging your headphones always be sure the headphone volume 
    level  (11)  is  set  to  minimum  before  plugging  them  in.  To  avoid  sever  hearing  damage,  never  put  the 
    headphone on without making sure the headphone level is turned down.
    MIC (7) - The mic connector uses a 1/4” plug that allows you to connect a 1/4” unbalanced mic cord. 
    The mic also has an independent volume control. Always leave the mic level to it’s minimum level when 
    not in use.
    Q-START  FEATURE  -  This  function  works  in  conjunction  with  a  compatible  American  Audio  
    “Q”Start CD player. When used with a compatible CD player, you can use the crossfader to start and 
    stop the CD Player with the slide of the fader. The ON/OFF “Q ”START switch activates this FADER 
    “Q ”START feature.
      Q-D1  MKII™                                        QUICK  START  INSTRUCTIONS
    ©American Audio®   -   www.AmericanAudio.us   -   Q-D1 MKII™ Instruction Manual Page 7 
    						
    							
      Q-D1  MKII™                                              CONTROLS  AND  FEATURES
    1. MASTER VOLUME CONTROL - This rotary knob is used to control the master output level (volume). 
    To  avoid  distorted  output  try  to  maintain  an  average  output  signal  level  +4  dB.  Be  sure  this  volume 
    control is always set to zero before turning the unit on.
    2. MIC LEVEL -
      This rotary knob is used to control the microphone volume output level. Turning the 
    knob in a clockwise direction will increase volume output.
    3.  CHANNEL  BASS  CONTROL 
    - This  knob  is  used  to  adjust  the  low  frequency  levels  of  a  channel
    allowing for a maximum bass gain of  12dB or maximum signal decrease of -26 dB. Turning the
     knob 
    in a counter-clockwise direction will decrease the amount of bass applied to a channel
      signal, turning 
    the knob in a clockwise direction will increase the amount of bass applied to a channel signal.
    4. CUE MIXING CONTROLLER -
      This switch selects the channel for monitoring. The monitor signal 
    comes  from  the  Prefader.  This  means  it  will  not  be  affected  by  the  channel  faders.  You  can  monitor 
    each channel individually. Connect your headphones to the HEADPHONES jack. Flip the CUE MIXING 
    CONTROL  switch  to  channel  you  wish  to  monitor.  If  the  CUE  MIXING  CONTROL  is  set  to  the  center 
    position,
     you can monitor both the channels at once.
    5. “Q”  START ON/OFF 
    - This function works in conjunction with a compatible  American Audio® "Q" 
    Front
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      Q-D1  MKII™                                        CONTROLS  AND  FEATURES  CONT.
    series  professional  CD  player.  When  used  with  a  compatible  "Q"  series  CD  player,  you  can  use  the 
    CROSSFADER  (
    8)  to  start  and  stop  the  CD  Player.  The ON/OFF  “Q”  START  switch  activates  this 
    FADER “Q” START feature. When in the ON position, the  FADER “Q” START
     function allows the fader 
    to  return  automatically  to  the  CD  players 
    preset cue  point  by  simply  sliding  the  CROSSFADER  (8) 
    back and forth.
       For example, each time you slide the crossfader to 
    the  far left, the "Q" start function will trigger 
       the play mode for any CD player connected to  PLAYER CONTROL "A". Play will begin at 
       that unit's last set cue point.  Turn the 
    "Q" ON/OFF SWITCH to the OFF position to disengage 
       
    “Q”  Start function and resume normal fader operation.
    6. HEADPHONE JACK - This jack is used to connect your headphones to the mixer allowing you to 
    monitor the cue source. Use headphones only rated at 8 ohms to 32 ohms. Most DJ headphones are 
    rated at 16 ohm, these are highly recommended. Always be sure the
      CUE VOLUME LEVEL  (11) is set 
    to minimum before you put the headphones on.
    7. MICROPHONE CONNECTOR 
    - This jack is used to a connect a microphone to the mixer. Connect 
    your microphone via this 1/4 inch (6.3mm) jack. The signal volume will be controlled by the  Mic Level 
    (2).
    8. FEATHER FADER PLUS CROSSFADER 
    -  This fader is used to blend the output signals of chan-
    nels one and two together. When the fader is in the full left position (channel 1), the output signal of 
    channel one will be controlled by the master volume level. The same fundamentals will apply for chan
    -
    nel two. Sliding the fader from one position to another will vary the output signals of channels one and 
    two respectively. When the crossfader is set in the center position, the output signals of both channel 
    one and channel two will be even.
    9.  CHANNEL  VOLUME  FADER  - These  faders  are  used  to  control  the  output  signal  of  any  source 
    assigned  to  its  particular  channel.  However,  master  volume  is  controlled  by  the
      MASTER  VOLUME 
    CONTROL (1).
    10. SOURCE SELECTOR SWITCH -  These switches are used to select the input source assigned to 
    each channel. Each channel may only be assigned one input source at a time. This switch must be in 
    the “PHONO” position for turntable operation. 
    11. CUE LEVEL VOLUME CONTROL - This knob adjusts the headphone volume output level. Turning 
    the knob in clockwise direction will increase headphone volume output.
    12.  CHANNEL  TREBLE  CONTROL 
    -  This  knob  is  used  to  adjust  the  treble  levels  of  a  chan-
    nel allowing  for  a  maximum  treble  gain  of  12dB  or  maximum  decrease  of  -26 dB.  Turning  the 
    knob in a  counter-clockwise  direction  will  decrease  the  amount  of  treble  applied  to  a  chan-
    nel  signal,
      turning  the  knob  in  a  clockwise  direction will  increase  the  amount  of  treble applied
    to a channel signal.
    13 .    CHANNEL  GAIN  CONTROL  -
     This  adjustment  is  used  to  adjust  the  audio  source  signal  input 
    gain  for  a  channel.  Never  use  the  gain  control  to  adjust  a  channels  output  volume.  Setting  the  gain 
    level properly will ensure a clean output signal. An improper gain level adjustment will send a distorted 
    signal throughout the entire audio line which may damage speakers and amplifiers. To properly set a 
    channels the gain level control:
        1. Be sure the  MASTER VOLUME CONTROL (
    1) is set to level 8.
        2. Set the 
    CHANNEL VOLUME FADER (9)  to level 8.
        3. Begin playback on an audio source connected to the channel you are adjusting.
        4. Use the Gain Control to adjust an average output volume of +4 dB
    .
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    14. MAIN POWER SWITCH - This is the main power ON/OFF button. Before main power is applied, 
    be sure you have made all connections to the mixer. Also be sure your amplifier(s) is tuned off. Remem
    -
    ber to avoid damaging pops, mixer on first and turned off last.
    15. AC VOLTAGE INPUT - This connector is used to supply main power to the unit via the included 
    detachable power supply. Only use the supplied power adaptor to avoid damaging the unit. The unit 
    receives an input power supply of AC 9v/1000mA.
    16. RCA MASTER OUTPUTS -  The Master Output includes a pair of RCA Unbalanced Jacks to form 
    a stereo output. The left channel is clearly marker with “L” and is color coded white, the right channel 
    output  is  marked  “R”  and  is  color  coded  red.  The  RCA  jacks  send  a  low  current  unbalanced  output 
    signal to your amplifier or tuner. When connecting to a tuner be sure to use the “AUX” inputs. 
    17.  REC OUT -  This is a low current unbalanced output source designed for various tape and CD 
    recorders. The Record Out (REC OUT) level is dictated by the
      CHANNEL FADER LEVEL (9),  it is not 
    influenced by the  MASTER VOLUME CONTROL (1).
    18. CHANNEL 2: LINE 2 RCA INPUT JACKS - These Jacks are used for line level inputs. Connect CD 
    players such as the American Audio
    ® CDS-1™ or tape decks to LINE inputs. Line level musical instru-
    ments with stereo outputs such as Rhythm Machines or Samplers should also be connected to LINE 
    inputs. Turntables should only be connected to “Phono” inputs. The red colored RCA jack represents 
    the right channel input and the white represents the left channel input. The output level for any device 
    connected to these input jacks will be controlled by FADER CHANNEL 2.
    19.  CHANNEL  2:  PHONO  2  JACKS  -  Connect  turntables  equipped  with  MM  pickup  cartridge  to 
    Rear Panel
      Q-D1  MKII™                                        CONTROLS  AND  FEATURES  CONT.
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