Nortel Networks 2007 IP Phone User Manual
Contents
1. Numark Professional Disc Jockey Products DM1635 STEREO MIXER with the BEATKEEPER OWNER S MANUAL DM 1 6 3 5 PREAMP MIXER 000000 0009 9o 000000 0000 9o 42Hz 152Hz 480Hz 1 59KHz 4 BKHz 15 36KHz 42Hz 159Hz 480Hz 1 59KHz 4 8KHz 15 36KHz Numark Beatkeeping Mixer PHONO PHONO PHONO fX CH 1 CH 2 CH 3 Tempo Difference e OOOOOe OO0OOO o O0 o UNE CH 4 o db Jaye _ IL if e000 9809 Channel 11 I Sync e e Lock fof sf of of 05 n EEEBUE o lil Beat Assist m 2 lilah lul m z o m 2 5 o B g ASSIGN o m poda B m o a S in HEADPHONE LEVEL BEATHEEPER AAC NUMARK INDUSTRIES 11 Helmsman Road North Kingstown RI 02985 http www numark com DM1635 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 e C S Te ope relia insiivelionss DE dS DO NOT REMOVE ANY COVER NO USER SERVICEABLE PARTS Marked on the unit INSIDE REFER SERVICING TO QUALIFIED SERVICE PERS2. 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 the 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
3. Take the DM1635 to your dealer or to gain input control s down Wait 8 to 10 an authorized Numark Service Center 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 A NOTE ON CABLES Make the input and output connections with readily available low capacitance stereo PER cables Quality cable makes a big difference in Avoid amplifier clipping at all costs this audio fidelity and punch See your Numark Occurs when the red LEDs usually on the front dealer or an electronics or audio specialist store Panel of most professional power amplifiers you are not sure which cables to get start flashing Clipping is when the power amplifier is distorting and working beyond it s 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 Proven Leader in DJ Technology 1997 Numark Industries 5 http www numark com DM 1635 DM 1635 FRONT PANEL DIAGRAM jill 1 sae Tem Em tmt jill 12 1 14 qu qe qe E 1
4. 10 1215 1215 eooo oeoo 9 L e e 24 e n on on D 5 6 7 CO e 1 Numark The Proven Leader in DJ Technology 1997 Numark Industries 6 http www numark com DM1635 GUIDED TOUR OF FEATURES AND OPERATING INSTRUCTIONS If the DM 1635 is your first mixer please read this entire 4 Effect Send Channels 1 4 Depress these manual before you begin operation buttons when you want the signal from any input channel to be routed to the Send Out Jacks The If you are an experienced DJ simply replace your old channel faders do not affect the signal levels which are mixer The DM 1635 can be rack mounted or used as a routed to the send output free standing unit five 19 rack unit spaces CROSSFADER SECTION INSTALLATION AND OPERATION 5 The Crossfader Assign knob to the left of the crossfader lets you choose which input channel will be Study the Connections Diagram on page 13 First heard when the crossfader is in the far left position connect all stereo input sources Next connect your microphone s and monitor headphones Make sure all Off1234 faders are at zero and the unit is off Finally connect the stereo outputs to the power amplifier s and or audio 7 sources Plug the DM1635 into AC power Now you are ready to switch it on 6 The Replaceable Crossfader achieves clean segues between th
5. 152 Hz 480Hz 1 52KHz 4 8KHz 15 36KHz 15 dB SIGNAL TO NOISE RATIOS vs maximum output Line Better than 85 dB Mic Better than 72 dB Phono Better than 83 dB FREQUENCY RESPONSE Mic 20 Hz 15k Hz 5 dB Line 20 Hz 20k Hz 5 dB Phono 1 dB except for controlled attenuation of 3 dB 20 Hz to reduce rumble and feedback TALKOVER ATTENUATION variable from no cut to 16 dB BEATKEEPER Sync Lock Mode BPM update rate Every beat BPM accuracy 1 BPM BPM tracking range 50 199BPM Bar graph update rate Every beat Tempo difference graph resolution 1 BPM per LED green is 2 BPM Beat offset graph resolution 7 5msec per LED green is 15msec Beat Assist Button Minimum time between consecutive taps 0 3 seconds Maximum time between consecutive taps 1 2 seconds Consecutive taps averaging for BPM Last 2 to 8 taps POWER CONSUMPTION 20 Watt typical 28 watt with full headphone output Numark The Proven Leader in DJ Technology 1997 Numark Industries 18 http www numark com DM1635 BLOCK DIAGRAM Numark The Proven Leader in DJ Technology 1997 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 servi
6. LLY INSERTED TO taken so that the grounding or polarization PREVENT BLADE EXPOSURE means built into the mixer is not defeated 12 Internal External Voltage Selectors Internal or SAFETY INSTRUCTIONS external voltage selector switches if any should only be reset and re equipped with a proper plug 1 Read Instructions All the safety and operating for alternative voltage by a qualified service instructions should be read before this product is technician Do not attempt to alter this yourself connected and used NOTE This apparatus does not exceed the 2 Retain Instructions The safety and operating Class A Class B whichever is applicable limits instructions should be kept for future reference for radio noise emissions from digital apparatus as set out in the radio interference regulations of the 3 Heed Warnings All warnings on this product and in Canadian Department of Communications these operating Instructions should be followed WARNING To reduce the risk of fire or electric 4 Follow Instructions All operating and other instructions shock do not expose this appliance to rain or should be followed moisture Electrical equipment should NEVER be kept or stored in damp environments 5 Water and Moisture This product should be kept away from direct contact with liquids 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 pu
7. Line Phono Input switch Use this to allow line leve equipment to be plugged into your phono inputs giving yo a total of 8 line input options 9 Phono Inputs on Channels 1 2 and 3use unbalanced RCA jacks Your input signal is fed directly to tr DM1635 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 phonc switch over to line before connection of line sources 10 Mic 2 is the mic input for mic 2 Numark The Proven Leader in DJ Technology 1997 Numark Industries 16 http www numark com DM1635 DM1635 CONNECTION DIAGRAM Microphone 2 Keyboard Tape Deck Digital Sampler Keyboard Turntable 1 mm AC Outlet Z S Tape Deck CD Player Turntable 3 Sound System w Amplifier Numark The Proven Leader in DJ Technology 1997 Numark Industries 17 http www numark com DM 1635 SPECIFICATIONS INPUTS Line 10kQ input impedance 80 mV rms sensitivity for 1 22 V output Mic 10kQ input impedance balanced unbalanced 2 5 mV rms sensitivity for 1 22 V output 500 mV rms max input Phono 47kQ input impedance 1 5 mV rms sensitivity 1 KHz for 1 22 V output OUTPUTS Line 9V rms max 20 dBm Headphone Amp 5 watt into 47Q Distortion less than 01 EQUALIZER 6 Band Stereo Graphic EQ Band centers 42 Hz
8. ONNEL ONLY CAUTION 8 Power Cord Protection Power supply cords should be routed so that they are not likely to be walked upon or pinched by items placed on or against them When removing the cord from a power outlet be sure to remove it by holding the plug attachment and not by pulling on the cord The lightning flash with arrowhead symbol within the equilateral triangle is intended to alert the user to the presence of un insulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute SHOCK topersons 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 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 i i 10 Damage Requiring Service This product eS IS e t should be serviced only by qualified personnel If you have any questions about service please CAUTION contact Numark at the number s shown on the FOR USA amp CANADIAN MODELS ONLY back cover of this manual TO PREVENT ELECTRIC SHOCK DO NOT USE THIS POLARIZED E PLUG WITH AN EXTENSION CORD RECEPTACLE OR OTHER 11 Grounding or Polarization Precautions should OUTLET UNLESS THE BLADES CAN BE FU
9. Sync Lock button once and the Beatkeeper is back in BPM scanning mode DM1635 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 Beat Assist The Beatkeeper is foolproof The Beatkeeper 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 hea
10. 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 This can also be used to supply line level audio to a lighting controller or to lights that are sound activated CONTRACTOR S NOTE Booth Level provides zone control in installations where there are two separate rooms or a bar and dance floor for example Remote zone volume should be controlled from the DM1635 16 Stereo Auto Peak Hold Level Indicator This fast accurate stereo meter tracks the output level The red LEDs for 3dB 5dB and 8dB hold program peaks for a second or two With peak metering it s OK to be in the red as long as 5dB or 8 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 Proven Leader in DJ Technology 1997 Numark Industries 8 http www numark com EQUALIZER SECTION 17 6 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 a
11. an also use this force the Beatkeeper to track an offbeat for more advancec mixing Alternatively you may sync manually by tapping the Beat Assist button 2 or more times on the beat T6 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 o 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 orc 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 tu and lock on indicating that the Beatkeeper is now tracking the music T7 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 w turn on the Sync Lock LED immediately providing a BPM estimate while resynchronizing to the beat you tapped Numark The Proven Leader in DJ Technology 1997 Numark Industries 14 http www numark com T8 I hit the Sync Lock button but the flashing red beat LED doesn 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 tappin
12. ark com DM1635 IMPORTANT INFORMATION Please read this entire manual before connecting the DM1635 to your system SYSTEM PRECAUTIONS For optimum performance Use appropriate cables throughout your Always make sure that AC power is OFF while system Quality shielded audio cables and making any connections terminated shielded video cables low capacitance preferred Speaker cables must be Do not use excessively long cables i e over 14 gauge minimum 12 or 10 gauge is better 50 14 Be sure plugs and jacks are tightly mated Loose connections can cause hum Reliability will be enhanced through the use of noise or intermittents that could easily damage banana connectors on the speaker wires your speakers Observe correct speaker wire polarity If in doubt consult your Numark dealer or a Never use spray cleaners on the slide controls qualified technician Residues cause excessive dirt build up and this will void your warranty In normal use slide Take care to connect only one cable at a time controls can last for many years If they Pay attention to the color coded labelled Input malfunction usually because of a dirty or dusty Output jacks environment consult a professional technician ALWAYS remember TURN AMPS ON LAST Never attempt to make any adjustments or AND OFF FIRST Begin with master faders repairs other than those described in this or volume controls on minimum and the amplifier manual
13. ce for 360 days beginning on the date of purchase from an authorized Numark Dealer 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 th
14. channel will be heard when the crossfader is in the far right position Numark The Proven Leader in DJ Technology 1997 Numark Industries 7 http www numark com DM 1635 DJ MIC SECTION The DM1635 has an extremely flexible DJ Mic channel The Talkover function reduces the level of the music while leaving the DJ Mic at normal volume 8 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 9 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 10 The DJ Mic 1 Fader controls the DJ Mic volume for the Neutrik Combo connector 11 The Mic 2 Fader controls the Mic volume for the 1 4 connector on the rear of the mixer 12 Mic Off On Talkover Switch Off turns off Mic 1 O n turns on Mic 1 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 to temporarily cease and the audience to be heard YEAH MASTER BOOTH OUTPUT SECTION 13 The Stereo Master Fader controls the overall output level 14 Stereo Mono toggle adjusts the Master output for the operation selected 15 The
15. e two selected input channels The DM1635 is divided into six functional blocks Input Crossfader DJ Mic Master Booth Output Equalizer and BEATKEEPER It is important to learn Hard left selects the channel set up of the Assign how each of these work Left knob In this example it is Channel 1 Hard right selects the channel set up on the Assign Right CHANNEL INPUTS CONTROLS SECTION knob In this example it is Channel 4 With the crossfader centered both assigned channels are live 1 Channels 1 2 3 amp 4 Input Toggle Switches Use the crossfader for fast and seamless segues from select which source will be live to that channel based on one selected channel to the other To turn off the what you have connected to the rear panel input crossfader simply turn both knobs all the way to the section left 2 The Input Faders are low noise low impedance Note The crossfader is user replaceable in case of high quality smooth Alps faders These control failure Simply unscrew the two large screws which individual source levels in the mix hold it in place lift it out and disconnect it s cable Re attach the new crossfader and screw the mounting 3 Channel Cue Assign The Cue pushbuttons are plate back onto the unit you re back in business used to route channel audio to the Monitor Section The channel faders do not control the Cue send 7 The Crossfader Assign knob to the right of the volume crossfader lets you choose which input
16. g the Beat Assist buttons as many times as necessary to resync to the beat of the music T9 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 T10 The Beatkeeper seems to track the music for a little bit 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 T11 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 beats are missing the Beatkeeper will require more gradual changes to track properly f you are using a record player or a wide range pitch bend on a CD player n
17. he Proven Leader in DJ Technology 1997 Numark Industries 12 http www numark com Multiple 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 do 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 the 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 DM1635 Prepping For A Mix You may also choose to prep the Beatkeeper for an actual mix To prep the Beatkee
18. 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 graph 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 Numark T
19. irty 30 days after date of purchase This warranty gives you specific legal 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 Road Telephone 1 401 295 9000 North Kingstown RI 02852 USA Fax 1 401 295 5200 Attention Service Department E mail numark numark com
20. ly and segues are smooth when a song is cued 20 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 21 Power Switch and Power On LED Numark The Proven Leader in DJ Technology 1997 Numark Industries http www numark com DM 1635 DEQTHEEPER Panel Diagram A CHANNEL SELECT Tap this button to select desired pre fader input channel The respective input channel LED will light up 1 2 3 or 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 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
21. n 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 5 and damage your speakers DM1635 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 6 Cut slightly at 152Hz and more at 460Hz for extra clarity Note Cutting is preferable to boosting e Boost 15kHz for a little sizzle e As a general rule less equalization is better 18 Equalizer On Off This controls whether your final output will be routed through the EQ or not MONITOR SECTION 19 The Monitor section includes the Program Mix control the Headphone Volume control and the Headphone Jack Connect headphones with a standard 1 4 stereo plug The Cue 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 exact
22. ote 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 DM1635 T12 Neither the Tempo Difference graph or the Beat Offset graph seem to work The bar graphs are only operational when both Sync Locl 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 ta the respective Sync Lock button or b Tap the Beat Assist button twice with the beat of th music Either method will cause the Sync Lock LED to illuminate T13 The Beat Offset graph is not illuminated bu 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 activ again T14 The Beat Offset graph has the green LED illuminated when the red beat LEDs are a half beat off from each other This indicates that the songs are synced at their half beat With rap music and some house mixing is often done on tl half beats rather than the down beats themselves The Beatkeeper intentionally syncs this way to give the DJ the option of bea
23. ou 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 4 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 music T5 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 Syn Lock LED on and tap the Beat Assist button once to make the Beatkeeper track the downbeat You c
24. per first match the two song s tempos by adjusting the pitch so that the Tempo Difference LED graph displays yellow or green LEDs 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 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 Proven Leader in DJ Technology 1997 Numark Industries 13 http www numark com DM 1635 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 y
25. r Dual 6 band graphic equalizer with In Out switch Master and Zone level controls Neutrik Combo connector allows 1 4 or XLR plug to be used for DJ Mic 5 8 switchable line inputs Three phono inputs Dedicated DJ Mic and Second Mic Channel with 2 Band EQ and Talk over dual control Split cue headphone monitoring with cross fader Master and Zone level controls 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 theBEATHEEPER Features Automatic BPM tracking of up to 8 input sources 4 simultaneously Accurate digital BPM displays Visual live tracking of your mix progress using Tempo Difference and Beat Offset Bar Graphs All visual displays update on every beat Sync Lock Button for accurate BPM tracking Beat Assist for locking to the correct beat 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 No other beat counter or automatic mixer can give you the power to make a more accurate mix Numark The Proven Leader in DJ Technology 1997 Numark Industries 4 http www num
26. r 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 Numark The Proven Leader in DJ Technology 1997 Numark Industries 11 http www numark com DM 1635 2 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 three 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
27. rchased the unit Retain this information for your records Please return the warranty enclosed to register your mixer with us IMODEL DM1635 PURCHASED FROM ISERIAL NUMBER DATE OF PURCHASE EEM 4 Numark The Proven Leader in DJ Technology 1997 Numark Industries 2 http www numark com DM1635 NUMARK DM1635 STEREO MIXER INDEX Safety Information Page 2 Product Registration Introduction Page 4 Features Precautions Page 5 Front Panel Diagram Page 6 Guided Tour of Features Page 7 Operating Instructions Beatkeeper Diagram Page 10 Beatkeeper Operating Instructions Page 12 Beatkeeper Troubleshooting Page 14 Rear Panel Diagram Page 16 Connection Diagram Page 17 Specifications Page 18 Block Diagram Page 19 Warranty and Service Page 20 Numark The Proven Leader in DJ Technology 1997 Numark Industries 3 http www numark com DM 1635 CONGRATULATIONS You have purchased the DM 1635 Stereo Mixer by Numark This equipment features all new multi source Beatkeeper technology With the latest in manufacturing and design technology you get greater quality and better reliability than ever before The DM 1635 brings to you the finest quality of DJ mixing equipment available today Thank you for buying Numark DJ products DM1635 FEATURES Mixer features include User replaceable assignable ALPs crossfade
28. t to beat mixing or beat to halfbeat mixing Numark The Proven Leader in DJ Technology 1997 Numark Industries 15 http www numark com DM 1635 DM1635 REAR PANEL DIAGRAM OO OO 4 5 3 6 7 REAR PANEL INPUTS AND OUTPUTS 1 AC Cord See safety precautions on page 2 for proper treatment of the power cord 2 GND is the grounding lug for turntables 1 2 and 3 phono inputs on Channels 1 2 and 3 Always use this connection 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 outputis for send to an external signal processor such as an external sampler or effects box You direct sound to the send by pressing the send button on the main panel 7 7 9 7 Channels 1 5 Line Inputs are unbalanced RCA jacks The Line Input is selected with the toggle switch c the front panel You can connect stereo audio from HiFi VCRs cassette an 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 Righ inputs using a Y cable connector 8
29. 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 Tempo Difference ML Fo EA ooo oe 3 A Channel Mom e ck Beat Assist BEQTHEEPER by 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 I BEAT OFFSET GRAPH OFF one or both of the audio inputs are not yet sync locked or are not sending an audio signal 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 Numark The Proven Leader in DJ Technology 1997 Numark Industries http www numark com BEATKEEPER OPERATION Channel Selection When your mixer is first turned on the channels selected will be 1 amp 2 respectively
30. 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 In order to create the perfect mix your goal is to keep both bar graphs as close to centered green or 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 green LED 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 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 that 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 green LED
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