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PANASTEREO CX230 Owner's Manual

Cinema booth monitor
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Film-Tech
The information contained in this Adobe Acrobat pdf
file is provided at your own risk and good judgment.
These manuals are designed to facilitate the
exchange of information related to cinema
projection and film handling, with no warranties nor
obligations from the authors, for qualified field
service engineers.
If you are not a qualified technician, please make no
adjustments to anything you may read about in these
Adobe manual downloads.
www.film-tech.com

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Summary of Contents for PANASTEREO CX230

  • Page 1 Film-Tech The information contained in this Adobe Acrobat pdf file is provided at your own risk and good judgment. These manuals are designed to facilitate the exchange of information related to cinema projection and film handling, with no warranties nor obligations from the authors, for qualified field service engineers.
  • Page 2 PANASTEREO PANASTEREO PANASTEREO PANASTEREO CX230 CINEMA BOOTH MONIT0R OWNER'S MANUAL...

  • Page 3: System Features

    PANASTEREO CX230 CINEMA BOOTH MONITOR OVERVIEW The CX230 Monitor is the world’s first computer controlled booth monitor. It is simple to use, provides advanced features not previously found in booth monitor equipment and has been designed for easy interface to computer automation systems via a standard RS232 interface connector.
  • Page 4 PANASTEREO CX230 CINEMA MONITOR PANASTEREO CX230 CINEMA MONITOR PANASTEREO CX230 CINEMA MONITOR PANASTEREO CX230 CINEMA MONITOR CX230 OPERATION MONITORING AN INDIVIDUAL CHANNEL Select a channel to be monitored by pressing the pushbutton for the appropriate channel once. An LED indicator will illuminate above the selected input button. Adjust the volume control for a comfortable listening level.
  • Page 5 Connect the cable shield to the “E” terminal of each monitor “from processor” input only. Do not connect the shields at the sound processor. SOUND PROCESSOR WITH BALANCED OUTPUTS (PANASTEREO) Use two-core shielded audio cable to connect the outputs from the sound processor to the monitor “From Processor”...
  • Page 6 CONNECTING THE SERIAL INTERFACE TO A COMPUTER AUTOMATION SYSTEM. Use 4-core shielded computer or audio cable. The CX230 is configured as a DCE device (Data Circuit Terminating Equipment), i.e. pin 2 = transmit data out and pin 3 = receive data in. Connect one conductor to pin 2, one to pin 3 and one conductor to pin 5 (ground).

  • Page 7: System Alignment

    SPL reading on the RTA. 14. Select the “SOURCE” switch to “PROC”. 15. Adjust the “Processor - SW” trimpot so that the CX230 sound level meter reads the same as the SPL reading on the RTA. 16. Turn on the Centre Channel amplifier.
  • Page 8 20. Adjust the “AMPLIFIERS - LL” trimpot so that the CX230 sound level meter reads 85db. 21. Select the “SOURCE” switch to “PROC”. 22. Adjust the “Processor - LL” trimpot on the monitor so that the CX230 sound level meter reads 85db.
  • Page 9 37. Select the “SOURCE” switch to “AMPS”, and select “RIGHT SURROUND”. 38. Adjust the “AMPLIFIERS - RS” trimpot so that the CX230 sound level meter reads 85db. 39. Select the “SOURCE” switch to “PROC”. 40. Adjust the “Processor - RS” trimpot so that the CX230 sound level meter reads 85db.
  • Page 10 7. Select the “SOURCE” switch to “AMPS”, and select “CENTRE HF” by pressing the “CENTRE” pushbutton twice. Only the “HF” LED above the CENTRE pushbutton should be illuminated. 8. Adjust the “AMPLIFIERS - CH” trimpot so that the Cx230 sound level meter reads the same as the SPL reading on the RTA.
  • Page 11 SPL reading on the RTA. 21. Select the “SOURCE” switch to “PROC”. 22. Adjust the “Processor - SW” trimpot so that the CX230 sound level meter reads the same as the SPL reading on the RTA. 23. Turn on the Centre HF and LF amplifiers.
  • Page 12 40. Select the “SOURCE” switch to “AMPS”, and select “RIGHT HF” by pressing the “RIGHT” pushbutton twice. Only the “HF” LED above the RIGHT pushbutton should be illuminated. 41. Adjust the “AMPLIFIERS - RH” trimpot so that the CX230 sound level meter reads the same as the SPL reading on the RTA.
  • Page 13 49. Select the “SOURCE” switch to “AMPS”, and select “RIGHT SURROUND”. 50. Adjust the “AMPLIFIERS - RS” trimpot so that the CX230 sound level meter reads 85db. 51. Select the “SOURCE” switch to “PROC”. 52. Adjust the “Processor - RS” trimpot so that the CX230 sound level meter reads 85db.

  • Page 14: Reference Data

    ASCII string starting with a colon followed by an eight bit value. When the CX230 detects a command start character (a colon), a timer is started and if the rest of the command including the end characters (CR/LF) is not received within 200mS then the serial port is ignored until another valid start character is seen.