User manual NUMARK DM1720X

[. . . ] Grounding or Polarization - Precautions should be taken so that the grounding or polarization means built into the mixer is not defeated. Internal/External Voltage Selectors - Internal or external voltage selector switches, if any, should only be reset and re-equipped with a proper plug for alternative voltage by a qualified service technician. NOTE: This apparatus does not exceed the Class A/Class B (whichever is applicable) limits for radio noise emissions from digital apparatus as set out in the radio interference regulations of the Canadian Department of Communications. CAUTION FOR USA & CANADIAN MODELS ONLY TO PREVENT ELECTRIC SHOCK DO NOT USE THIS (POLARIZED) PLUG WITH AN EXTENSION CORD, RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE. SAFETY INSTRUCTIONS 1. Read Instructions - All the safety and operating instructions should be read before this product is connected and used. [. . . ] "Clipping" is when the power amplifier is distorting and working beyond it's limits. · 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!· Reliability will be enhanced through the use of banana connectors on the speaker wires. SYSTEM PRECAUTIONS · 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. A NOTE ON CABLES: Make the input and output connections with readily available low-capacitance stereo cables. See your Numark dealer or an electronics or audio specialist store if you are not sure which cables to get. Numark - The Proven Leader in DJ Technology ©1998 Numark Industries 5 http://www. numark. com DM1720X DM1720X FRONT PANEL DIAGRAM. . . 4 1 18 2 3 5 7 6 19 17 15 8 9 11 10 12 13 14 16 20 21 1. Channel Input Gain/Trim/Attenuation Controls. Use these whenever a particular source causes overload of the preamp inputs. Use these with the PFL (pre-fader listen) monitor when cueing. 5. DJ Mic Talkover Switch. Treble, Middle and Bass Controls fine tune the tone of your music through the sound system. Use the Pan Control to maximize the Left or Right side of your Source. The M i c J a c k is a NeutrikTM "Combo Jack" and allows connection of either a 1/4" jack or an XLR jack. 8. Channels 1 - 4 Input Toggle Switches select which source will be live to that channel based on what you have connected to the rear panel input section. The Input Faders are low-noise, low-impedance, highquality, smooth faders. Channel Cue Assign/PFL pushbuttons are used to route channel audio to the Monitor Section. In addition, when these buttons are depressed the third row of the LED meter (19) will display the signal level of that channel on a PFL basis. The level can be adjusted by using the G a i n contr ol(1). Numark - The Proven Leader in DJ Technology ©1998 Numark Industries 6 http://www. numark. com DM1720X 9. The Crossfader In/Out Pushbutton defeats the entire Crossfader function but leaves the Kill functions active. The replaceable Crossfader achieves clean segues between two selected input channels. The Crossfader Channel Assign switches determine which channels the crossfader will segue between. CONTRACTOR'S NOTE: Zone Level provides zone such as control booth monitors, a tape deck, another amplifier, a sub-woofer, another mixer or a satellite speaker system. Note that you can select (18) whether you want stereo or mono. 1234 1234 control in installations where there are two separate rooms (eg: a bar and a dance floor). [. . . ] 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. [. . . ]