DM1200 Manual
Contents
1. Precautions should be taken so that the grounding or polarization SAFETY INSTRUCTIONS means built into the mixer is not defeated 1 Read Instructions All the safety and operating 12 Internal External Voltage Selectors Internal or instructions should be read before this product is external voltage selector switches if any should connected and used only be reset and re equipped with a proper plug for alternative voltage by a qualified service 2 Retain Instructions The safety and operating technician Do not attempt to alter this yourself instructions should be kept for future reference NOTE This apparatus does not exceed the 3 Heed Warnings All warnings on this product and in Class A Class B whichever is applicable limits these operating instructions should be followed for radio noise emissions from digital apparatus as set out in the radio interference regulations of the 4 Follow Instructions All operating and other instructions Canadian Department of Communications should be followed WARNING To Reduce the risk of fire or electric 5 Water and Moisture This product should be kept shock do not expose this appliance to rain or away from direct contact with liquids moisture Electrical equipment should NEVER be kept or stored in damp environments Please record the serial number of your unit as shown on ihe back of the chassis as well as the name of the dealer from whom you purchased the uni2. music T4 The BPM display is correct but the beat LED isn t flashing on the downbeats of the music If this happens tap the Sync Lock button turning the Sync Lock LED on and tap the Beat Assist button once to make the Beatkeeper track the downbeat You can also use this to force the Beatkeeper to track an offbeat for more advanced mixing Alternatively you may sync manually by tapping the Beat Assist button 2 or more times on the beat T5 The Beats per minute number seems to jump all over the place The Beatkeeper is analyzing different sections of the music to find the BPM If there is a temporary suspension of a distinct beat or if the rhythm is too complex this number may not follow the actual BPM a You can wait for a passage of music with a steady beat for a more accurate BPM indication b Hit the Sync Lock button once the Red beat LED starts following the beat or c Tap the Beat Assist button at least twice along with the music beat Either method b or c will cause the Sync Lock LED to turn and lock on indicating that the Beatkeeper is now tracking the music T6 It takes too long for the Beatkeeper to find the beat on its own To speed up the BPM detection process tap the Beat Assist button at least twice At this point the Beatkeeper will turn on the Sync Lock LED immediately providing a BPM estimate while resynchronizing to the beat you tapped T7 hit the Sync Lock button but the flashing Red beat LED does
3. the right channel is faster than the left channel either slow down the right channel or speed up the left channel If the opposite is true the Tempo Difference Graph has a Red LED illuminated on the left channel indicating the song on the left channel is faster than the right channel either slow down the left channel or speed up the right channel The second step involves the bottom graph the Beat Offset Graph This graph indicates how close the individual beats are Both BPMs may be the same but the beats may not be in sync This is often described as the ping pong effect If the beats are matched the GreenLED in the middle lights up If the beats of one input are earlier than beats of the other input the Beat Offset Graph will shift toward the song with the earlier beats To align the Beat Offset Graph when using CD Players adjust the appropriate pitch bend If you are using turntables hold or apply pressure to the record turntable and then release to shift the beat If the Beat Offset graph is shifted toward the right channel either use the minus pitch bend for the right channel CD player with vinyl apply pressure to slow the turntable or use the plus pitch bend for the left channel CD player with vinyl push the turntable ahead Intuitively if either bar graph is shifted towards a channel this indicates that the song on that channel is ahead of the other one Either the tempo is faster top grap
4. RED LED ON The audio inputs beats are not aligned YELLOW LED ON The audio inputs beats are close to aligned GREEN LED ON The audio inputs beats are perfectly aligned Beat mixing is a skill that must be practiced in order to be proficient at it 3 and 4 way mixing can be a very difficult skill to master Visual mixing with the Beatkeeper gives you the tools to help you do this but nothing replaces practice Numark The Leader in DJ Technology 10 http www numark com Channel Selection When your mixer is first turned on the channels selected will be 1 amp 2 respectively If you wish to track the beat of another channel tap on the channel select button until the desired input is reached NOTE The Beatkeeper will track the source that is selected with the channel toggle switch Syncing Your Beatkeeper When learning how to use the Beatkeeper choose some dance music with a hard steady beat Start the music for left channel of your Beatkeeper When the Beatkeeper has located the beat the BPM display will illuminate with the music s Beats Per Minute You ll notice a flashing Green LED every time the Beatkeeper detects a rhythm defining instrument The Beatkeeper will soon flash a Red LED on every beat the same way you would tap your foot to the beat of the music The Beatkeeper will display a BPM which will update every five seconds while scanning As long as the beat is well defined the BPM number will equal t
5. Rock it rock the house 4 Effect Level Mix fader This precisely sets the audible level of the sample in the mix by simply drumming with your fingers 5 Memory Bank Select Pushbuttons A D 7 The Stutter Pushbutton lets you choose Four banks are available for storing samples To record between two playback styles Trigger and Non a bank go to Write and then hit the bank button You Trigger when in Single or Repeat modes can record into any combination of banks by pressing multiple bank buttons When the Stutter is Out and the sampler is set to Single or Repeat mode each time you tap the After sampling you can either select the next bank and Start Stop button the sample starts to play The record it remember Write is still on just select the next tap stops sample playback The next time play bank and hit Start Stop or you can manually select a starts the sample re starts at the beginning playback mode When the Stutter is In and the sampler is set to Single You can play any combination of the Memory Banks or Repeat mode each time you tap the Start Stop from left to right that is Memory Bank B will always play button the sample re triggers before Memory Bank D but you can play ABCD BC BD ACD only C only D etc ABOUT STUTTERING 6 The large Start Stop button controls sample Expensive studio rack mount samplers and sampling recording and sample playback The small Red Effects keyboards can re trigger or stutter
6. illuminate to show you which complete the sampler will automatically switch to sampler is now ready for playback Modes are 2 Intro and Outro editing controls are used when Repeat sets the unit to play back a sample and Edit mode is selected to fine tune the beginning automatically repeat loop when it gets to the end of Intro or ending Outro of your samples These the sample trim the unwanted sound while in Single or Single sets the unit to play back a sample once Repeat playback modes Turn the controls inward to trim more return them to their full outside position to Edit sets the unit to sample edit This activates the return to your full sample Once trimmed turn Edit off Intro and Outro editing controls as described in 2 to lock in your settings Now every time you select the Edit can be used at the same time as Single and sample it will be the perfect length Note Trimmed Repeat so that editing of the sample can be done samples are not erased they can be heard again by while your program output is playing on the dance floor going back into Edit and undoing the trim This Write sets the unit to sampler record ready After powerful new feature allows you to start a sample early selecting a bank hit the Start Stop button 6 to or end it late and still trim it to the perfect length begin recording it is safer to actually choose your bank without having to re record Since these controls can before going to wr
7. track the music ON The respective input is synced and ready to track the music D BEAT ASSIST BUTTON Tapping the Beat Assist button once automatically realigns the downbeat to exactly when you tapped the button Tapping the beat assist button two or more times also sets the tempo and sync locks the music E BPM DISPLAY No audio signal is being processed for this input or the Beatkeeper has not completed tracking the BPM for this input NUMBER The respective input is currently playing music with this number of Beats Per Minute as determined by the Beatkeeper F DOWN BEAT LED Red OFF The Beatkeeper has not yet matched the beat of the respective audio input BLINKING The Beatkeeper has matched this LED to the beat of the respective audio input ON The Beatkeeper is waiting for the music to start on the respective input G PEAK SOUND LED Green OFF The Beatkeeper is not detecting sound from the respective audio input BLINKING The Beatkeeper is detecting rhythm setting sounds from the respective audio input H TEMPO DIFFERENCE GRAPH OFF One or Both of the audio inputs are not yet sync locked in RED LED ON The audio inputs tempos are not aligned YELLOW LED ON The audio inputs tempos are close to aligned GREEN LED ON The audio inputs tempos are perfectly aligned 1 BEAT OFFSET GRAPH OFF One or both of the audio inputs are not yet sync locked or are not sending an audio signal
8. 35 DM1285 SYSTEM PRECAUTIONS readily available ow capacitance stereo cables Quality cables make a big difference in audio fidelity and punch See your Numark dealer or an electronics or audio specialist store if you are not sure which cables to purchase a a Use appropriate cables throughout your system Quality shielded audio cables and terminated shielded video cables low capacitance preferred Speaker cables must be 14 gauge minimum 12 or 10 gauge is better Reliability will be enhanced through the use of banana connectors on the speaker wires Observe correct speaker wire polarity If in doubt consult your Numark dealer or a qualified technician Take care to connect only one cable at a time Pay attention to the color coded labeled Input and Output jacks e ALWAYS remember TURN AMPS ON LAST AND OFF FIRST Begin with master faders or volume controls on minimum and the amplifier gain input control s down Wait 8 to 10 seconds before turning up the volume This prevents transients which may cause severe speaker damage Use restraint when operating controls Try to move them slowly Rapid adjustments could damage speakers due to amplifier clipping Avoid amplifier clipping at all costs this occurs when the Red LEDs usually on the front panel of most professional power amplifiers start flashing Clipping is when the power amplifier is distorting and working be
9. ANY COVER NO USER SERVICEABLE PARTS INSIDE marked on the unit REFER SERVICING TO QUALIFIED SERVICE PERSONNEL ONLY CAUTION N RISK OF ELECTRIC SHOCK A N DO NOT OPEN 8 Power Cord Protection Power supply cords should be routed so that they are not likely to be equilateral triangle is intended to alert the user to the presence walked upon or pinched by items placed on or of un insulated dangerous voltage within the product s against them When removing the cord from a enclosure that may be of sufficient magnitude to constitute power outlet be sure to remove it by holding the The lightning flash with arrowhead symbol within the a risk of electric shock to persons plug attachment and not by pulling on the cord The exclamation point within the equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying this appliance 9 Object and Liquid Entry Take care that objects do not fall into and that liquids are not spilled into the inside of the mixer 10 Damage Requiring Service This product CAUTION should be serviced only by qualified personnel FOR USA amp CANADIAN MODELS ONLY If you have any questions about service please OUTLET UNLESS THE BLADES BE FULLY INSERTED TO PREVENT BEADE EXPOSURE 11 Grounding or Polarization
10. ECTION 16 6 Band Stereo Graphic Equalizer EQ EQ compensates for differences in source material sound quality In ultra compact mobile systems this EQ can be used to tailor the sound to the acoustical requirements of the room Center frequencies are 42Hz 152Hz 480Hz 1 5kHz 4 8kHz and 15 4kHz Faders have a center detent for an accurate flat response Below is a typical house EQ curve Notice how the knobs above 0 balance out the knobs below Start with this setting if you ve never used a graphic EQ before Below is an example of a poor EQ curve because it cuts the output volume down by 6 10dB You have to compensate by running the Master output higher Below is the worst sort of curve to use because you are using EQ to add volume With exaggerated boost you can easily run your power amplifiers into clipping see page 6 and damage your speakers DM1200 DM1235 DM1285 GENERAL EQ HINTS Boost the 42Hz band for deep bass tones and solid kick drum sound Use sparingly because this dramatically increases demand on power amplifiers and could drive them into clipping see page 5 Cut slightly at 152Hz and more at 460Hz for extra clarity Note Cutting is preferable to boosting Boost 15kHz for a little sizzle As a general rule less equalization is better 17 Equalizer On Off This controls whether your final output will be routed through the EQ or not MONITOR SECTION 18 The Moni
11. Numark Professional Disc Jockey Products DM1200 DM1235 DM1285 STEREO MIXER 5 MANUAL DM1200 Sc 9000990900056 o 200002000000000 o qup TIT HEADPHONE DM1235 9 9000 000000000000 Cog 5000000000 2000 Tempo Diference 00000000000 00099909000 BEATHEEPER o i ve oy AAC HEADPHONE DM1285 0000000000 0960 oag 000000000 oo 9000 CROSS FADER M HEADPHONE Numark INDUSTRIES 11 Helmsman Avenue North Kingstown RI 02852 http www numark com DM1200 DM1235 DM1285 Safety Information and Product Hegistration 6 Heat Avoid placing this product too close to any high heat sources such as radiators 7 Power Sources This product should be connected to a power supply only of the type CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DONOT described in these operating instructions or as REMOVE
12. Send Channels 1 4 Depress these buttons when you want the signal from any input channel to be routed to the Send Out Jacks On the DM1285 this button sends signal to the onboard sampler The channel faders do not affect the signal levels which are routed to the send output Numark The Leader in DJ Technology 1998 Numark Industries 7 http www numark com DM1200 DM1235 DM1285 DJ MIC SECTION Your mixer has an extremely flexible DJ Mic channel The Talkover function reduces the level of the music while leaving the DJ Mic at normal volume 7 Neutrik Combo connector allows connection of either a 1 4 jack or an XLR jack This is ideal for connecting an XLR gooseneck directly into the mixer 8 Treble and Bass Controls fine tune the tone of your voice on both mics through the sound system The controls are detented for setting tone flat For best results use a dynamic cardioid microphone 9 TheDJ Mic 1 Fader controls the DJ Mic volume for the Neutrik Combo connector 10 The Mic 2 Fader controls the Mic volume for the 1 4 connector on the rear of the mixer 11 Mic Off On Talkover Switch Off On turns Mic 1 off and on Mic 2 is controlled only through the Mic 2 Fader Talkover turns down the input level of your music sources from Channels 1 4 Talkover is very useful for making announcements without adjusting any levels Try using this feature for audience participation when you want the music
13. This means Indicator LED glows when the sampler is on Here are beginning at the start of the sample each time a key is the functions pressed or a drum pad is struck Tap the button when in sampler Write mode to begin Re triggering creates the stuttering rap effect The sampling the LED will light Tapping it again ends the DM1285 includes a manual stuttering feature How sample and the LED goes out unless the sampler has fast can you tap Try using two fingers for increased run out of memory and shuts off automatically Once speed the Effects Indicator LED goes out the Write LED goes out and the Single LED turns on 8 Monitor Pushbutton To hear the sample or effect in the headphones press this button Program Mix Insingle or repeat play without Trigger tap the button still works and you will be able to hear any other input to play the sample and tap it again to stop the playback channels with the C u e buttons activated Every time you play the sample the music starts from the beginning of the sample Numark The Leader in DJ Technology 1998 Numark Industries 15 http www numark com DM1200 DM1235 DM1285 DM1200 DM1235 DM1285 REAR PANEL DIAGRAM REAR PANEL INPUTS AND OUTPUTS 1 Power Connector Plug in power cord here and check the voltage level to match your country s standard 2 GND is the grounding lug for turntables 1 2 and 3 phono inputs on Channels 1 2 and 3 Always use this connecti
14. ats are missing the Beatkeeper will require more gradual changes to track properly If you are using a record player or a wide range pitch bend on a CD player note that the Beatkeeper only tracks 11 5 from the tempo at which it was synced You may need to resync the Beatkeeper if you exceed this range while attempting to align tempos You can also manually resync the beat using the Beat Assist button T11 Neither the Tempo Difference graph or the Beat Offset graph seem to work The bar graphs are only operational when both Sync Lock LEDs are illuminated This ensures that you don t inadvertently try to mix two songs without their tempos being synced To make the bar graphs operational either a Wait for the Red beat LED s to follow the music and tap the respective Sync Lock button or b Tap the Beat Assist button twice with the beat of the music Either method will cause the Sync Lock LED to illuminate T12 The Beat Offset graph is not illuminated but the Tempo Difference graph is This indicates that one or both of the inputs are not playing The Beat Offset graph turns off when there are no beats available for tracking on either or both inputs The graph automatically restarts once both inputs become active again T13 The Beat Offset graph has the GreenLED illuminated when the Red beat LEDs are a half beat off from each other This indicates that the songs are synced at their half beats With rap music and some ho
15. e things are done you will have a perfect mix No more guessing tapping or embarrassing fades Choose another music selection and start it on your right channel Sync up the first song as described in the last section With the first selection synced Sync Lock LED illuminated sync up the right channel the same way you set up the left As the second Sync Lock LED illuminates a new dimension of DJing begins VISUAL MIXING The bar graphs on the top of the Beatkeeper have now been activated and are updating automatically NOTE In order to perform a mix which is tracked by the Beatkeeper both channels MUST be synced This is indicated by the Yellow Sync Lock LED being lit for both inputs Numark The Leader in DJ Technology 1998 Numark Industries 11 http www numark com DM1200 DM1235 DM1285 In order to create the perfect mix your goal is to keep both bar graphs as close to centered Greenor Yellow as possible First align the top graph the Tempo Difference Graph This graph indicates how close the two BPMs are to each other If they are exactly the same tempo the GreenLED in the middle will light up If one song is faster than the other the bar graph will shift towards the faster song If the Tempo Difference graph is not centered adjust the speed of one of the inputs using the pitch control For example if the Tempo Difference graph has a Red LED illuminated closer to the right channel of the Beatkeeper
16. ealer but not to exceed 2 years from date of shipment by Numark The Numark obligation under this warranty is limited to repairing or replacing at its option the product or part s therein which upon examination by Numark shall appear to be defective or not up to factory specifications providing the Numark product is returned transportation prepaid to Numark Numark shall not be liable for any damages consequential or otherwise resulting from the use and operation of this product and makes no other warranty s either express or implied on this product including any warranty of merchantability This warranty does not extend to any of our products which have been subjected to misuse neglect accident incorrect wiring not our own improper installation or use in violation of instructions furnished by us nor extended to units which have been repaired or altered outside of our factory nor to cases where the serial number thereof has been removed defaced or changed nor to accessories used therewith not of our own manufacture Numark reserves the right to make changes or improvements in its products during subsequent production without incurring the obligation to install such changes or improvements on previously manufactured equipment To place this warranty into effect the enclosed WARRANTY REGISTRATION CARD must be returned to Numark Industries LLC within thirty 30 days after date of purchase This warranty gives you specific lega
17. h or the beats come sooner bottom graph When both bar graphs are in the Green you are ready to perform your mix Don t forget you can always resync to the beat if it ever shifts off by tapping the Beat Assist button If the beats start to drift you ll be able to easily adjust the music before your audience can hear it No other beat counter or automatic mixer can give you the power to make a more accurate mix NOTE The Beat Offset bar graph either indicates beat to beat offset or beat to halfbeat offset whichever is closer This allows the DJ the option of mixing on the beat or on the half beat Channel Mixing One exciting feature of your Beatkeeper built into your mixer is the option to visually beat mix more than 2 Sources at the same time Once you have synced a channel of the Beatkeeper the unit will continue to track it even if you should decide to change channels Up to all four channels can be in sync simultaneously By selecting different channels you can cross compare the mix of any 2 channels instantly In order to perform a 3 way mix you first will need to set up a 2 way mix as described in the previous section NOTE Multiple source or layer mixes should be performed with a minimum of vocals otherwise the music will clash when mixed for a long period of time The next step will be to decide which input channel you would like to use as a reference for beat mixing While your 2 way mix is ongoing change t
18. he beats per minute of the song being played Once you see the Red beat LED flashing with the beat of the music press the respective Sync Lock button and the Sync Lock LED will illuminate Activating the Sync Lock tells the Beatkeeper to stop scanning the music for a different BPM and to start tracking the beat changes of the current BPM as you adjust the pitch of the music This function is manual to ensure that the Beatkeeper is right on the beat Once the Sync Lock LED is on the Beatkeeper tracks the beats of the music and updates the BPM display on every beat To unlock simply tap the Sync Lock button once and the Beatkeeper is back in BPM scanning mode After syncing an audio input try speeding up and slowing down the music You ll notice that the Red beat LED will continue to flash on the downbeat and the BPM number will adjust itself to match the tempo of the music This indicates that the Beatkeeper is successfully tracking the beat and will continue to do so throughout your mix If you stop the music you will notice the Beat LED will go solid and the BPM number will remain in memory Once the music is restarted the Beatkeeper will remember the last tracked rhythm pattern and pick up on the beat right away PLAY the music OBSERVE the beat match and PRESS the Sync Lock Button That s it If you can do that twice you can mix with the Beatkeeper DM1200 DM1235 DM1285 Beat Assist The Beatkeeper is foolproof The Beat
19. he channel on the side you have not chosen as a reference to the next song you plan to mix into Now sync and mix this song like you did for the 2 way mix After you have synced up the new song you should continue to check your original mix by switching between channels When you have properly aligned the new song you are ready to perform a 3 way mix To perform a 4 way mix just do the same thing again Prepping For A Mix You may also choose to prep the Beatkeeper for an actual mix To prep the Beatkeeper first match the two song s tempos by adjusting the pitch so that the Tempo Difference LED graph displays Yellow or GreenLEDs Next hit the Cue button of your CD player or lift your record needle The Red beat LED will remain solid alerting you to which input is ready to start When the music starts again the Beatkeeper begins right on the beat and indicates how well the two songs are synced within seconds Syncing To Off Beats Now if you really want to be fancy you can actually use the Beatkeeper to sync to the off beats You can have two songs going Boom Cha Boom Cha Normally you would sync the Booms of both songs beat to beat mixing But you can also sync the Boom of one song to the Cha of the other beat to half beat mixing The Beatkeeper s Beat Offset graph will display whichever offset is smaller This allows the DJ the flexibility to mix with the beat or the off beat Numark The Leader in DJ Tech
20. ik Combo connector allows 1 4 or XLR plug to be used for DJ Mic e 5 8 switchable line inputs e Three phono inputs DM1235 with REATHEEPER FEATURES e Automatic BPM tracking of up to 8 input sources 4 simultaneously e Accurate digital BPM displays e Visual live tracking of your mix progress using Tempo Difference and Beat Offset Bar Graphs All visual displays update on every beat e Sync Lock Button for accurate BPM tracking Beat Assist for locking to the correct beat e Simple user interface Once you ve synced your Beatkeeper you ve opened a whole new dimension in mixing The Beatkeeper has two bar graphs one showing the tempo difference and the other showing the beat offset Now you can see when your mix is on track If the beats start to drift you ll be able to easily adjust the music before your audience can hear it Dedicated DJ Mic and Second Mic Channel with 2 Band EQ and Talk over dual control Split cue headphone monitoring with cross fader Stereo Mono switch on the Master and Zone Tape Out for direct recording Powerful stereo headphone output Push button cueing High end performance audio signal 12V BNC light connector DM1285 with SAMPLER FEATURES e 16 bit CD quality audio and powerful recording editing and playback options e He triggering for stuttering rap style effects Effect Level Fader e Large Start Stop button Digital processor modes Edit a
21. ite mode so that you don t be active while the sample is live you can even fine accidentally wipe out an existing sample The LED will tune samples on the fly A way of efficiently trimming stay lit while you are in Write mode After you are done samples is by engaging the Stutter button and writing your sample you should select a play mode repeatedly hitting the Start Stop button as you either Single or Loop and listen to your sample note adjust the Intro knob that you must do this manually by hitting the correct Mode Pushbutton Numark The Leader in DJ Technology 1998 Numark Industries 14 http www numark com DM1200 DM1235 DM1285 3 The Speed Control plays samples faster or slower InSingle or Repeat play with Trigger you are ready resulting in a pitch shift of the sample In the center to stab samples With the Trigger Out the sample position the sample is played at recorded speed plays all the way through before you can play it again Moving the knob to the left will slow down playback by With it In you can stab or stutter a sample When you up to 50 moving the knob to the right will speed up shout Rock it rock the house and sample it it can the playback by up to 200 Positions near the center be played back as provide fine changes in playback speed Positions further from the center detent provide more drastic R R R R R R R Rock changes in playback speed Rock Rock Rock it Rock it Rock it Rock
22. keeper can track any music up to 199 beats per minute The unit however is set to automatically track tempos between 80 150BPM Of course not all music is within this range you may need to track the high tempos of Meringue or Salsa or the low tempos of R amp B slow jams or Reggae Let s face it not all music has hard steady beats either and sometimes you just need the music set up yesterday For these occasions we have the Beat Assist Button If the Beatkeeper is having trouble matching the beat to the flashing Red Beat LED or if you need to sync up immediately tap the Beat Assist button 2 8 times as you hear the beat the same way you would tap your feet to the music Pressing the Beat Assist Button more than once aligns the Beatkeeper to your taps Notice that the Sync Lock LED automatically illuminates signifying that the Beatkeeper is now locked in with the beat Simply put if the Beatkeeper isn t on track or you re in a real hurry you need to press a button twice instead of once If the Beatkeeper is synced to the correct BPM but is aligned to the music s offbeat tap the Beat Assist button with the beat of the music just once and you will have brought the Beatkeeper back in sync Two Channel Mixing After you feel comfortable syncing up the Beatkeeper you re ready to mix Mixing with the Beatkeeper has three parts syncing to the music which you ve done aligning the tempos and aligning the beats Once these thre
23. l rights and you may also have other rights which vary from state to state Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you EQUIPMENT TRANSPORT A Return Authorization number should be obtained from Numark through the addresses or phone numbers below Itis the customer s obligation when returning faulty equipment to properly pack the Numark equipment in its original packaging Failure to do so may inadequately protect the equipment in transit and therefore jeopardize the customer s warranty The defective Numark equipment should be sent FREIGHT PREPAID with Return Authorization number to Numark INDUSTRIES 11 Helmsman Avenue Telephone 1 401 295 9000 North Kingstown RI 02852 U S A Fax 1 401 295 5200 Attention Service Department E mail numark Qnumark com
24. llows Intro and or Outro trimming of the sample after it is recorded Single sample plays once Repeat loops sample until disengaged Stutter for stutters and stabs in single or repeat mode Speed Control plays sample faster or slower than originally recorded resulting in frequency shift Monitor for monitoring sample with or without program or cue audio output Write safely record a sample Numark The Leader in DJ Technology 1998 Numark Industries 4 http www numark com IMPORTANT INFORMATION Please read this entire manual before connecting the DM1200 to your system For optimum performance Always make sure that AC power is OFF while making any connections Do not use excessively long cables i e over 50ft 14m Be sure plugs and jacks are tightly mated Loose connections can cause hum noise or intermittents that could easily damage your speakers Never use spray cleaners or oils on the slide controls Residues cause excessive dirt build up and this will void your warranty In normal use slide controls can last for many years If they malfunction usually because of a dirty or dusty environment consult a professional technician Never attempt to make any adjustments or repairs other than those described in this manual Take the DM1200 to your dealer or to an authorized Numark Service Center A NOTE ON CABLES the input and output connections with DM1200 DM12
25. msec 6 Band Stereo Graphic EQ Band centers 42 Hz 152 Hz 480Hz 1 52KHz 4 8KHz Beat Assist Button 15 36KHz 15 dB Minimum time between consecutive taps 0 3 seconds SIGNAL TO NOISE RATIOS vs maximum Maximum time between consecutive taps output 1 2 seconds Line Better than 85 dB Consecutive taps averaging for BPM Mic Better than 72 dB Last 2 10 8 taps Phono Better than 83 dB FREQUENCY RESPONSE a 15k Hz 5 dB DM1285 with SAMPLER ive 20 Hz 20k Hz 5 dB FREQUENCY RESPONSE AND SAMPLING RATE Phono 1 dB except for controlled attenuation Variable sampling rate 44 1 kHz with 16 bit sampling of 3 dB yields 20Hz 22 kHz 20 Hz to Reduce rumble and feedback MAXIMUM MEMORY TIME TALKOVER ATTENUATION 12 seconds variable from no cut to 16 dB POWER CONSUMPTION 20 Watt typical 28 watt with full headphone output Numark The Leader in DJ Technology 1998 Numark Industries 18 http www numark com DM1200 DM1235 DM1285 BLOCK DIAGRAM Numark The Leader in DJ Technology 1998 Numark Industries 19 http www numark com Numark Professional Disc Jockey Products Warranty and Service Information Numark Industries LLC and Numark International Inc hereafter Numark warrants each new product manufactured and or supplied by it to be free from defects in material or workmanship under conditions of normal use and service for 360 days beginning on the date of purchase from an authorized Numark D
26. n t seem to follow the beat This means you hit the Sync Lock button before the Red beat LED actually started tracking the tempo You can easily fix this by tapping the Beat Assist buttons as many times as necessary to resync to the beat of the music T8 The beat tracking suddenly gets off track This may happen if the music has several beats missing or the rhythm suddenly becomes extremely complex or variable You can either resync the beat using the Beat Assist button or wait a few seconds for the Beatkeeper to automatically recover T9 The Beatkeeper seems to track the music for a short time right after using the Beat Assist and then drifts off This could be one of two things a The Beatkeeper is averaging the time between each of your Beat Assist button taps If the first tap is way off the tempo will be way off b The Beatkeeper was synced during a section of the music without a well defined beat In either case the problem can be overcome by waiting a few Seconds before preceding to tap the Beat Assist button two or more times with the beat of the music T10 Either the BPM number or Red beat LED doesn t track the music fast enough while using the pitch bend on my CD player or speed control on my record player You may have exceeded the tracking capability of the Beatkeeper The Beatkeeper can normally handle speed changes of 5 per beat if the music s rhythm is steady If the rhythm is complex or some of the be
27. nology 1998 Numark Industries 12 http www numark com DM1200 DM1235 DM1285 BEATKEEPER TROUBLESHOOTING T1 The BPM goes way off when using the search button on my high tech CD mixer Some high tech CD mixers have a cueing feature which allows you to cue precisely to an exact spot in the music so you can slam mix The only problem is that this mode repeats the first beat of the music at a rate which is unrelated to the actual BPM of the music As a result the BPM goes off track The best way to avoid this is to restart the music after a search Make sure the Beatkeeper is resynced to the music and then press the Cue button on the CD player The Beatkeeper will remember the BPM and track the music once it starts T2 The Beatkeeper doesn t resync to the downbeat of the music when the music restarts Either the downbeat isn t strong enough to be detected or the music was started well before a strong downbeat You can easily resync to the downbeat by tapping the Beat Assist button once with the beat Alternatively you can cue the music to a strong downbeat so that the Beatkeeper starts on this downbeat T3 Either the BPM display is blank or it is noticeably off This is common at the beginnings of songs where the beat is not well defined To sync simply tap the Beat Assist button two or more consecutive times on the downbeat The Sync Lock LED turns on automatically indicating that the Beatkeeper is now tracking the beat of the
28. on your turntable cable should have a grounding wire 3 The Stereo Main Outputs are low impedance RCA connectors controlled by the Master fader 4 The Stereo Zone Outputs are low impedance unbalanced RCA jacks controlled by the Zone Level control 5 The Tape Outputs are low impedance unbalanced RCA jacks which output the program mix and allow you to connect any recording device 6 The Send can be attached to an external effects processor such as a sampler 7 Channels 1 5 Line Inputs are unbalanced RCA jacks The Line Input is selected with the toggle switch on the front panel You can connect stereo audio from HiFi VCRs cassette and reel to reel tape decks DAT machines CD players laser discs tuners even synthesizers or other mixing consoles NOTE Plug mono audio sources into both Left and Right inputs using a Y cable connector 8 Line Phono Input switch Use this to allow line level equipment to be plugged into your phono inputs giving you a total of 8 line input options 9 Phono Inputs on Channels 1 2 and 3 use unbalanced RCA jacks Your input signal is fed directly to the DM1200 s high quality RIAA phono pre amplifiers so use this position only for moving magnet cartridges Line level sources will overload the sensitive phono pre amps and will sound very bad so always be sure to toggle the line phono switch over to line before connection of line sources 10 The Balanced Main Outputs are low impedance XLR type connectors c
29. ontrolled by the Master fader 11 Mic 2 is the mic input for Channel 4 Numark The Leader in DJ Technology 1998 Numark Industries 16 http www numark com DM1200 DM1235 DM1285 CONNECTION DIAGRAM Main Balanced Sound System Microphone 2 w Amplifier Keyboard Tape Deck Digital Sampler Turntable 1 E Outlet Zone Deck oun stem y EE CD Player Turntable 2 Turntable 3 Or w Amplifier Main Unbalanced Sound System w Amplifier Numark The Leader in DJ Technology 1998 Numark Industries 17 http www numark com DM1200 DM1235 DM1285 SPECIFICATIONS INPUTS DIMENSIONS 482mmx232mmx111mm Line 10kQ input impedance 19 x9 1 8 x4 3 8 80 mV rms sensitivity for 1 22 V output WEIGHT DM1200 4 3kgs 9 6lbs Mic 10kQ input impedance balanced unbalanced DM1235 DM1285 5 1kgs 11 2lbs 2 5 mV rms sensitivity for 1 22 V output 500 mV rms max input Phono 47kQ input impedance T DM1235 with BEATKEEPER 1 22 V 1 5 mV rms sensitivity 1 KHz for output Sync Lock Mode BPM update rate Every beat OUTPUTS Ling TIMEA ao BPM frecking e a9BPM 4700 balanced 3 5Vrms E i i 9 e 1000 balanced 1 12Vrms Tono S ae rele h luti very pea Headphone Amp 5 watt into 470 empo IO Me Map es Uton 1 BPM per LED Green is 2 BPM han 01 tatis ue Beat offset graph resolution EQUALIZER 7 5msec per LED Green is 15
30. t Retain this information for your records Please return the warranty card enclosed to register your mixer with us IMODEL PURCHASED FROM ISERIAL NUMBER DATE OF PURCHASE LJ Numark The Leader in DJ Technology 1998 Numark Industries 2 http www numark com DM1200 DM1235 DM1285 NUMARK DM1200 DM1235 DM1285 STEREO MIXER INDEX Safety Information Page 2 Product Registration Introduction Page 4 Features System Precautions Page 5 Front Panel Diagrams Page 6 Guided Tour of Features Page 7 Operating Instructions DM1235 Beatkeeper Operation Page 10 DM1285 Sampler Operation Page 14 Rear Panel Diagram and Features Page 16 Connection Diagram Page 17 Specifications Page 18 Block Diagram Page 19 Warranty and Service Rear Cover Numark The Leader in DJ Technology 1998 Numark Industries 3 http www numark com DM1200 DM1235 DM1285 CONGRATULATIONS You have purchased a quality stereo mixer designed and manufactured by Numark This equipment features all new circuitry and the latest in manufacturing and design technology to give you greater quality and better reliability than ever before This mixer brings to you the finest quality of DJ equipment available today Thank you for buying Numark DJ products DM1200 FEATURES User replaceable assignable ALPs crossfader e Balanced XLR Outputs e Dual 6 band graphic equalizer with In Out switch Master and Zone level controls Neutr
31. to temporarily cease and the audience to be heard YEAH MASTER BOOTH OUTPUT SECTION 12 The Stereo Master Fader controls the overall output level 13 Stereo Mono toggle adjusts the Master output for the operation selected 14 The Zone Level controls speaker volume for a remote zone or booth monitors If you do not use booth monitors the output can feed a tape deck another amplifier another mixer or a satellite speaker system NOTE The Zone control on the DM1235 and DM1285 is located to the right of the crossfader section NOTE This can also be used to supply line level audio to a lighting controller or to lights that are sound activated CONTRACTOR NOTE Booth Level provides zone control in installations where there are two separate rooms For example a bar and dance floor Remote zone volume should be controlled from the mixer 15 Stereo Auto Peak Hold Level Indicator This fast accurate stereo meter tracks the output level The Red LEDs for 3dB 5dB and 8 hold program peaks for a second or two With peak metering it s OK to be in the Red as long as 5dB or 8dB aren t constantly lit Set the crossover equalizer and power amp inputs to avoid distortion at each step in the audio chain Proper attention to the peak meter results in the punchiest possible sound without audible distortion Numark The Leader in DJ Technology 1998 Numark Industries 8 http www numark com EQUALIZER S
32. tor section includes the Program Mix control the Headphone Volume control and the Headphone Jack Connect headphones with a standard 1 4 stereo plug The C ue audio is sent to the headphone amp using the Cue Assign Pushbutton and the Pgm Mix control The Program Mix controls the amount of program audio in the headphones so that beats can be matched exactly and segues are smooth when a song is cued 19 12V BNC Connector allows a 12 volt gooseneck lamp to be connected directly to the mixer This light is readily available from your Numark dealer 20 Power Switch and Power On LED Numark The Leader in DJ Technology 1998 Numark Industries 9 http www numark com 1998 Numark Industries DM1200 DM1235 DM1285 DM1235 with BERTHEEPER Tempo Difference OOOOOGeOOCOOOH ML Fest 25 29 Qoo El Q Channel ck Beat Assist REATKEEPER by A CHANNEL SELECT Tap this button to select desiRed pre fader input channel The respective input channel LED will light up 1 2 3 0r 4 B SYNC LOCK BUTTON When an input is not yet set and scanning for the tempo tapping the Sync Lock button once will lock in the music as long as there is a BPM number displayed for the input When an input is locked in tapping the Sync Lock button tells the Beatkeeper to start scanning for a new tempo again C SYNC LOCK LED OFF The respective input is not locked or set to
33. use mixing is often done on the half beats rather than the down beats themselves The Beatkeeper intentionally syncs this way to give the DJ the option of beat to beat mixing or beat to halfbeat mixing Numark The Leader in DJ Technology 1998 Numark Industries 13 http www numark com DM1200 DM1235 DM1285 1 DM1285 with DIGITAL SAMPLER TO RECORD A SAMPLE a Pressthe Write button once to go into stand by mode The Red LED will go on b Select the bank or multiple banks into which you want to record Any bank can be selected Each bank contains 3 seconds of recording time If you want to record a longer sample select multiple banks they must be adjoining To playback a multi bank sample you must reselect the same banks later Note To overwrite an existing sample select that bank instead of an empty bank Changing bank selection at this point in time is possible and will not destroy any previously recorded samples The DM1285 Sampler uses dynamic RAM with a e Hit the Start Stop button to begin recording Its 16 bit microprocessor controller The same digital Red LED will light signal processing components used in professional audio equipment deliver CD quality samples f HitStart Stop a second time to stop the sampling or allow the memory banks to fill up at which time The Mode Pushbuttons switch from effect to effect sampling will stop automatically Once your writing is The accompanying LEDs
34. wo selected input channels We have divided this manual into various functional blocks Off1234 Off1234 Input Crossfader DJ Mic Master Zone Output Equalizer and the onboard options of Beatkeeper 2 pt ft 9 or Sampler It is important learn how each of these work Hard left selects the channel set up of the Assign CHANNEL INPUTS CONTROLS SECTION Left knob In this example it is Channel 1 Hard right selects the channel set up on the Assign Right knob 1 Channels 1 2 3 amp 4 Input Toggle In this example it is Channel 4 With the crossfader Switches select which source will be live to that centered both assigned channels are live Use the channel based on what you have connected to the crossfader for fast and seamless segues from one rear panel input section selected channel to the other To turn off the crossfader simply turn both knobs all the way to the left 2 The Input Faders are low noise low impedance high quality smooth Alps faders These control NOTE The crossfader is user replaceable in case of individual source levels in the mix failure Simply unscrew the two large screws which hold it in place lift it out and disconnect its cable Re attach 3 Channel Cue Assign The Cue pushbuttons the new crossfader and screw the mounting plate back are used to route channel audio to the Monitor onto the unit you re back in business Section The channel faders do not control the Cue send volume 4 Effect
35. yond its limits Amplifier distortion is THE major cause of speaker failure To prevent fire or shock hazard do not expose the unit to rain or moisture Never place cans of beer soda glasses of water or anything wet on top of the mixer Numark The Leader in DJ Technology 1998 Numark Industries 5 http www numark com DM1200 DM1235 DM1285 DM1200 FRONT PANEL DIAGRAM BEATKEEPER or SAMPLER Numark The Leader in DJ Technology 1998 Numark Industries 6 http www numark com DM1200 DM1235 DM1285 GUIDED TOUR OF FEATURES AND OPERATING INSTRUCTIONS INSTALLATION AND OPERATION CROSSFADER SECTION Study the Connections Diagram on page 5 The Crossfader Assign knob to the left of the 14 First connect all stereo input sources Next crossfader lets you choose which input channel will be connect your microphone s and monitor heard when the crossfader is in the far left position headphones Make sure all faders are at zero and The Crossfader Assign knob to the right of the the unit is off Finally connect the stereo outputs crossfader lets you choose which input channel will be to the power amplifier s and or audio sources heard when the crossfader is in the far right position Plug your mixer into AC power Now you are ready to switch it on 6 The Replaceable Crossfader achieves clean segues between the t
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