User manual QSC AUDIO DCM-30D DATASHEET 09-18-08

[. . . ] Digital Cinema Monitors DCM-10 | DCM-10D | DCM-30 | DCM-30D DCM QSC's Digital Cinema Monitors provide signal processing and monitor functions in a single integrated system. Designed to be used with QSC's Digital Cinema Amplifiers (DCAs), DCMs optimize loudspeaker performance while simplifying cinema sound system wiring and configuration. [. . . ] Connections to DCA amplifiers for input and monitor signals are made through a single QSC DataPort / VGA-style cable. All traditional XLR and barrier strip terminations are eliminated. DCMs also simplify set-up by using a menu-driven, PC-based software program for configuration. The program includes a speaker data file that lists default parameters for popular cinema speaker models. Commonly used configurations can also be saved on a disk, allowing you to quickly load them on other DCMs. Advanced Monitor Functions In addition to audio monitoring of amplifier inputs and outputs, DCMs include QSC's exclusive "load fault" detection. DCMs monitor all amplifier outputs and indicate opens and shorts in the speaker system and wiring via LED "load fault" indicators, providing confirmation that all amplifier outputs are functioning properly. Features · eal-timesoftwarecontrolviaUSB R · i-amp, tri-ampandquad-ampconfiguration B · AnaloginputsorAES/EBU(Dmodels) · serdefinedauxiliaryoutputs U · rovidesMonitorandCrossoverfunctionsinonebox P · igitalSignalProcessingforstate-of-the-artsound D quality(highdynamicrange) · astsystemsetuptime(especiallyinmegaplexeswith F similarrooms) · impleconnectionswithQSCDataPortconnectivity. S Onlyonecableperamplifierneeded(containstwo signalinputs, twosignalreturns, poweron/standby controlandtwochannelsofloadmonitoring) · xclusive"LoadFault"detectionindicatesspeaker E systemorwiringfaults · implecrossoveradjustmentsviaPCwithpassword S controlfortamperproofsystemadjustments · owersystemcostthanexistingquad-ampsolutions L · ompatiblewithallcurrentsoundformats; C 3-5screenchannels, 5. 1-7. 1 · -yearwarrantyplusoptional3-yearextended 3 servicecontract DCM Dimensions (HWD): Line Voltage Requirements: Accessories Included: 5. 25" x 19" x 15" 100 VAC ­ 240 VAC, 50/60 Hz (1) 6 ft. (2m) UL/CSA line cord · (1) User Manual (1) Software CD Front Panel Controls Power Switch: (1) Rocker Switch Monitor Mode Select: (1) Momentary Push Button Monitor Channel Select: (9 or 11) Momentary Push Buttons Monitor Volume: (1) Rotary Potentiometer Test Lead Connections: (2) Test Point Jacks Bypass Mode Select Switch: (1) Slide Switch Indicators Power Indicator: (1) Green LED Monitor Mode Indicators: (1) Green LED and (1) Yellow LED Processor Channel Indicators: (9 or 11) Green LEDs Amplifier Channel Indicators: (9 or 11) Yellow LEDs Load Fault Indicator: (1) Red LED Clip Indicator: (1) Red LED Bypass Mode Indicator: (1) Flashing Red LED Alt EQ Mode Indicator: (1) Yellow LED Rear Panel Controls Bypass Crossover Level: (2 or 3) Rotary Trimpots Bypass Crossover Type: (1) Slide Switch Analog/Digital Input Select: (1) Slide Switch (D models only) Rear Panel Control Connectors Main Analog Input: (1) 25-pin female D-sub connector Surround EX Input: (1) 25-pin female D-sub connector Digital Input (D models only): (1) 25-pin female D-sub connector Amplifier DataPorts: (10 or 19) 15-pin female high-density D-sub connectors Control Port: (1) USB Series-B Receptacle Hearing Impaired Line Output: (1) 3 postion screw-terminal connector Powered Sub Line Output: (1) 3 postion screw-terminal connector External Monitor Speaker Output: (1) 2 position screw-terminal connector Aux Line Level Input: (1) 3 position screw-terminal connector Alt EQ Contact Closure Input: (1) 2 position screw-terminal connector AC Power Inlet: (1) IEC style DCM Inputs Input Stage Type: Active balanced Input Impedance: 20k ohms Maximum Analog Input Level: +14. 2 dBu (4. 0 Vrms) A/D Conversion: 24 bit delta-sigma 128x oversampled Dataport Outputs - Screen Channels Output Level Range: +6 dB to -18 dB in 0. 1 dB steps Dynamic Range: >103 dB THD+N, AES-17, 20Hz ­ 20kHz, +12 dBuInput Level, All Filters Set Flat: < 0. 013% Analog Inputs / < 0. 008% Digital Inputs Frequency Response: 20 Hz ­ 20 kHz (no filtering) D/A Conversion: 24 bit delta-sigma 128x oversampled Filter Topology: 24 bit digital IIR filters Crossover Filters: Linkwitz-Riley 24 dB / octave digital filters programmable from 20 Hz ­ 20 kHz Parametric EQ: (3 per channel + 3 per band) Digital bandpass filter with ±10 dB of boost/cut programmable from 20 Hz ­ 20 kHz. Q is programmable in 1/10th octave steps from 1/10 to 2 octaves CD Horn EQ: Digital shelf filter with up to 6 dB of boost programmable from 1 kHz ­ 20 kHz. Available on high-frequency band only Screen EQ: Digital shelf with up to 6 dB of boost programmable from 1 kHz ­ 20 kHz Subsonic (highpass) filter: Digital high pass filter programmable from 15 Hz ­ 50 Hz. Q can be programmed as 0. 707 (flat) or 2 (B6 boost) Allpass Filter: 2nd order allpass filter programmable from 20 Hz ­ 2000 Hz (dual low band output only) Channel Delay: Programmable in 1ms steps from 0 ­ 20 ms Band Delay: Programmable in 21 µs steps from 0 ­ 10 ms per band Band Polarity: Normal, Inverted Mute: Individual mutes on each channel and band output Specifications Dataport Outputs - Surround and Subwoofer Output Level Range: +6 dB to -18 dB in 0. 1 dB steps Dynamic Range: >103 dB THD+N, AES-17, 20Hz ­ 20kHz, +12 dBuInput Level, All Filters Set Flat: < 0. 013% Analog Inputs / < 0. 008% Digital Inputs Frequency Response: 20 Hz ­ 20 kHz (no filtering) D/A Conversion: 24 bit delta-sigma 128x oversampled Filter Topology: 24 bit digital IIR filters Parametric EQ (2 per channel): Digital bandpass filter with ±10 dB of boost/cut programmable from 20 Hz to 20 kHz. [. . . ] All other trademarks are the property of their respective owners. Patents may apply or be pending. 1675 MacArthur Boulevard · Costa Mesa, CA 92626 · Ph: 800/854-4079 or 714/957-7100 · Fax: 714/754-6174 DCM Spec Sheet - 09/18/08 qscaudio. com [. . . ]