QSC DCM 30 Manuale Utente

1DCM Series*TD-000106-00*TD-000106-00 Rev.BDigital Cinema Monitor & Crossover SystemUSER MANUALDCM-1DCM-2DCM-3

10ILLUSTRATIONS- DCM-31- Power switch2- Monitor output speaker3- Amplifier/Processor selector switch4- Monitor source selector switches5- Monitor volu

11HARDWARE DESCRIPTION- Front PanelFRONT PANELThe front panel of the DCM series resembles traditional cinema monitor products. This provides the proje

12Monitor Source Selection Switches: Pressing any of the Monitor Select buttons will either selector deselect the corresponding (marked) signal for mo

13Diagnostics Check Button and Indicators: The Diagnostics / Indicator section includes an ex-tremely simple method of verifying proper system operati

14HARDWARE DESCRIPTION- Front PanelEmergency Bypass: This is an extremely powerful feature. If thereshould ever be a problem with the DCM or system ca

15Amplifier DataPorts: One QSC amplifier DataPort includes all connections required to send twochannels of audio from the DCM to the amplifier input c

16From Processor Output: This connection is from thecinema processor, and is the input source of all film soundinto the DCM unit. The 25-pin connector

17HARDWARE DESCRIPTION- Rear PanelTerminal Strip Connections: The terminal strip in-cludes convenient connections for output to a poweredsubwoofer, a

18To access the powerful crossover and system calibration functions of the DCMhardware, you must use the DCM Manager control software. A 9-pin male to

19INSTALLATION- Rack MountingRACK MOUNTINGRack mounting of the DCM is optional. Four, self-adhesive rubber feet are included with your DCM for non-rac

2© Copyright 2002, QSC Audio Products, Inc.QSC® is a registered trademark of QSC Audio Products, Inc.“QSC” and the QSC logo are registered with the U.

20INSTALLATION- Rear Rack Ears (optional accessory)For mobile and touring use, it is extremely important to support the rear of the DCM. The chassis a

211- IEC-style AC power cord (included with the DCM)2- QSC DataPort cable for every amplifier (8, 11, or 15 cables depending upon model)3- Cinema Proc

22The RS-232 port is used only for setup and system troubleshooting. Connect the 9-pin serial data cable fromthe host PC to this connector on the DCM.

23The QSC DataPort connection carries input signals, amplifier output monitoring signals, remote amplifierpower on/standby control, amplifier temperat

24Audio signals are input to the DCM via the FROMPROCESSOR OUTPUT connection. This DB25-typeconnection conforms to cinema industry standard pinout.Mos

25The Hearing Impaired output signalis available on the screw terminalconnector on the rear of the DCM.The output signal is similar tolevels that are

26Surround insert connections are provided forconnection to a Dolby Surround Processor. Thesurround insert connections are made using theTO SURROUND E

27Connect a PC computer to the RS-232 connector, turn on the DCM unit, load the DCM Manager softwareand either load a full configuration file (if this

28INSTALLATION- System Calibration3. Monitoring - audio mix adjustmentsThe DCM Manager software allows balancing of the high/low or high/mid/low signa

29TROUBLESHOOTINGIf the DCM Manager program is unable to communicate with the DCM hardware...• Verify the RS-232 cable connections. Re-seat each cable

3The DCM hardware unit and DCM Manager software are the property of QSC Audio Inc. Information in this document is subject to change without notice an

30TROUBLESHOOTINGIf no sound in the theater...If one audio channel is missing ...- If PROC inputs are active, then monitor the AMPS outputs (next step

31• Verify that the DCM Input Clip LED is not lit. If it is, the cinema processor output signal needs to beturned down.TROUBLESHOOTINGIf theater audio

32SPECIFICATIONSDCM Inputs, Screen Channels and SubwooferInput Stage Type Active balancedInput Impedance 20k ohmsMaximum Input Level +14.2 dBu (4.0 Vr

33SPECIFICATIONSHearing Impaired OutputOutput Stage Type Single-ended balanced impedanceOutput Impedance 50 ohmsNominal Output Level -11.8 dBu (200 mV

34DisclaimerQSC Audio Products, Inc. is not liable for any damage to speakers, amplifiers, or any other equipment that iscaused by negligence or impro

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36QSC Audio Products, Inc. 1675 MacArthur Boulevard Costa Mesa, California 92626 USA“QSC” and the QSC logo are registered with the U.S. Patent

4Thank you and congratulations on your purchase of the QSC DCM Digital Cinema Monitor. This productrepresents the state-of-the-art for cinema-based si

5The DCM is highly durable and carefully packaged. We recommend you inspect the unit carefully afterremoving it from the packaging, as occasionally th

6System Design FeaturesThe DCM series Digital Cinema Monitor has many unique features which combine to make this the mostcost effective and versatile

76. Password Security: The crossover settingsthat you create can make a dramatic differencein the sound quality within the theater. Manyinstallers pri

8ILLUSTRATIONS- DCM-11- Power switch2- Monitor output speaker3- Processor/Amps selector switch4- Monitor source selector switches5- Monitor volume con

9ILLUSTRATIONS- DCM-21- Power switch2- Monitor output speaker3- Processor/Amps selector switch4- Monitor source selector switches5- Monitor volume con