PANASTEREO CX230EX Owner's Manual

Text of PANASTEREO CX230EX User Guide:

• PANASTEREO CX230 CINEMA MONITOR PANASTEREO CX230EX 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. SYSTEM FEATURES • Sing

• PANASTEREO CX230EX, 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. The volume is indicated by the 2-digit display to the left of the control. Biamp installations only: It is possible to monitor each of the front channel high and low frequency outputs separately. Press the left, centre or right pushbutton o

• PANASTEREO CX230EX, PANASTEREO CX230 CINEMA MONITOR CX230 INSTALLATION CONNECTING THE SOUND PROCESSOR OUTPUTS. NOTE: For non-biamped installations, the left channel should be connected to the LL input , the centre channel to the CL input and right channel to the RL input. 1. SOUND PROCESSOR WITH UNBALANCED OUTPUTS (DOLBY, SMART, ULTRA STEREO) Use two-core shielded audio cable to connect the outputs from the sound processor to the monitor “from processor” inputs. Connect the “+” terminal from each sound processor output to

• PANASTEREO CX230 CINEMA MONITOR CX230 INSTALLATION con’t CONNECTING THE MONITOR SPEAKER OUTPUTS Use medium gauge (minimum 0.75mm2) twin polarised wire (figure 8) between each of the monitor speaker outputs and the monitor speakers. The monitor speakers can be 8 or 4 ohms. If you are using only one speaker, connect it to the left channel output and set the “MONO/STEREO” switch at the back of

• PANASTEREO CX230EX, PANASTEREO CX230 CINEMA MONITOR SYSTEM ALIGNMENT After installation it is necessary to adjust each of the input levels of the monitor to ensure correct balance between each input and to calibrate the auditorium sound level meter. Alignment is best performed at the same time as the sound processor B-Chain alignment to avoid duplication. Equipment required: Pink Noise Card, Real Time Analyser (RTA) ALIGNMENT OF NON-BIAMPED SYSTEMS 1. Insert a pink noise card into the appropriate slot in the sound processor. 2. Set the sound process

• PANASTEREO CX230EX, PANASTEREO CX230 CINEMA MONITOR 17. Select the pink noise generator to LEFT . 18. Check the SPL reading on the RTA. It should be 85dB. If not, check the B-Chain alignment of the sound processor. 19. Select the “SOURCE” switch to “AMPS”, and select “LEFT”. 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. 23. Select the pink noise generator to RIGHT . 24. Check the SPL reading on the RTA. It should be 85dB. If not, check the B-Chain alignment of the sound processor

• PANASTEREO CX230EX, PANASTEREO CX230 CINEMA MONITOR 35. Select the pink noise generator to RIGHT SURROUND . 36. Check the SPL reading on the RTA. It should be 85dB. If not, check the B-Chain alignment of the sound processor. 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. The CX230 a

• PANASTEREO CX230EX, PANASTEREO CX230 CINEMA MONITOR ALIGNMENT OF BIAMPED SYSTEMS 1. Insert a pink noise card into the appropriate slot in the sound processor. 2. Set the sound processor volume to level “7” for a pink noise level of 85db in the auditorium. 3. Select the pink noise generator to CENTE R. 4. Turn off the Sub Bass amplifier. 5. Check the SPL reading on the RTA. It should be 85dB. If not, check the B-Chain alignment of the sound processor. 6. Turn off the Centre channel low frequency amplifier and note the SPL reading on the RTA. 7. Select the “SOURCE” switch to “AMPS”,

• PANASTEREO CX230EX, PANASTEREO CX230 CINEMA MONITOR 17. Turn off both the Centre HF and LF amplifiers and turn on the Sub Bass amplifier. 18. Note the SPL reading on the RTA. 19. Select the “SOURCE” switch to “AMPS”, and select “SUB BASS”. 20. Adjust the “AMPLIFIERS - SW” trimpot so that the CX230 sound level meter reads the same as the 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 Center HF and LF amplifiers. 24. Select the pink noise card to LEFT . 25. Check the SPL reading on the RTA. It

• PANASTEREO CX230EX, PANASTEREO CX230 CINEMA MONITOR 37. Select the pink noise card to RIGHT . 38. Check the SPL reading on the RTA. It should be 85dB. If not, check the B-Chain alignment of the sound processor. 39. Turn off the Right channel low frequency amplifier and note the SPL reading on the RTA. 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. 42. Select the “SOURCE” switch to �

• PANASTEREO CX230 CINEMA MONITOR 47. Select the pink noise generator to RIGHT SURROUND . 48. Check the SPL reading on the RTA. It should be 85dB. If not, check the B-Chain alignment of the sound processor. 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

• PANASTEREO CX230EX, PANASTEREO CX230 CINEMA MONITOR REFERENCE DATA Serial Interface Protocol Description The CX230 is equipped with a standard RS232 serial communications port using a 9 pin D-sub connector. The data format is fixed and is in the following format: One start bit, eight data bits, one stop bit, no parity, 9600 baud. Command String Format “Input select” and “volume set” commands are constructed using a seven character ASCII string. Commands start with a colon followed by a four character command terminated with a carriage return , and a line feed character which are also valid if they occur in reverse order. (This is to allow compatibility with

• PANASTEREO CX230EX, PANASTEREO CX230 CINEMA MONITOR MMIX Select Mix MAMP Select Amplifier Inputs MPRO Select Processor Inputs MMUT Select Mute Set Volume Commands: MVxx Set volume to xx, where xx is a number from “00” to “99”.

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