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Nuoptix Stereo Optical Recording System, Owner'S Manual, Page: 1 / 38

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Nuoptix Stereo Optical Recording System Owner'S Manual Download Page 1

revised April 10, 2011

Nuoptix Inc

31336 Via Colinas #104

Westlake Village, CA  91362

USA

tel: +1.406-582-8154

fax: +1.267-295-2060

INPUT

SETUP

BIAS

INPUT

SETUP

BIAS

LEFT

RIGHT

MONITOR

MODE

LEFT

RIGHT

DIRECT

INPUT

STEREO

PEC

AUX

MONO

RECORD

STEREO  OPTICAL  RECORDING  SYSTEM

N

UOPTIX

RECORD

BIAS

SETUP

REVERSE

E-TEST

AUXILIARY  -  OPTICAL  -  SYSTEM

N

UOPTIX

LAMP  CURRENT

ON

POWER

CURRENT

OPERATE

MODE

OUTPUT  LEVEL

STANDBY

PINK

TONE

HEAD

TONE

400HZ 1KHZ

6KHZ

XMOD

8KHZ

XMOD

10KHZ

XMOD

12KHZ

XMOD

Summary of Contents for Stereo Optical Recording System

Page 1: ...S INPUT SETUP BIAS LEFT RIGHT MONITOR MODE LEFT RIGHT DIRECT INPUT STEREO PEC AUX MONO RECORD STEREO OPTICAL RECORDING SYSTEM N UOPTIX RECORD BIAS SETUP REVERSE E TEST AUXILIARY OPTICAL SYSTEM N UOPTI...

Page 2: ...LIBRATION 10 NOISE REDUCTION CALIBRATION 11 CLIPPER CALIBRATION 12 TRACK PLACEMENT 13 SIZE ADJUSTMENT 14 HOW TO MEASURE MODULATION ON OPTICAL TRACKS 15 OPTICAL TRACK DIMENSIONS AND PLACEMENT 16 LIGHT...

Page 3: ...ouce 0 to 5K ohms Preamp Input SORS provides 15VDC to and accepts monitor signals from photocell preamplifier Output Drives modified 5 contact Westrex type light valves Frequency Response 20Hz to 14kH...

Page 4: ...kHz 12kHz X MODS Pink Tone 30 components 1 3 octave spacing Equal amplitude Pink Tone Freqs 24 32 40 48 64 80 96 128 160 192 256 320 384 512 640 768 1024 1280 1536 2048 2560 3072 4096 5120 6144 8192 1...

Page 5: ...ough the light valve to the film and uses this information to display on digital meters a direct readout of optical track size which means extremely accurate dimensions can be maintained The SORS uses...

Page 6: ...requency and level are extremely accurately defined This assures that crossmodulation test tracks made on the machine are absolutely standard and readable on the new static crossmodulation reading sys...

Page 7: ...of the SORS through the G terminal XLR interconnect to the AOS Signal ground is isolated from the case in both units It is recommended that all audio signals be carried on shielded cables and that the...

Page 8: ...th the mode switch in the SETUP position adjust the SETUP pot controls on the front panel to read the slack light valve ribbon spacing in mils for the particular light valve in use Rotate the mode swi...

Page 9: ...n a 1 3 octave spectrum analyzer but can be read from a recording as short as 3 frames to verify system and print frequency response Following the recording the mode switch may be switched to the REVE...

Page 10: ...f The P E C DIRECT toggle switch selects the monitor signal from the input or from the photocell monitor The SORS is designed so that the adjustment of the SETUP controls assures that the P E C and DI...

Page 11: ...the SETUP position and measuring the track dimensions with a microscope The BIAS control adjusts the gain of the output drive amplifier of the SORS whose output is the composite of the audio and noise...

Page 12: ...ose distortion is less than 0 05 a digital voltmeter a distortion analyzer oscilloscope and frequency counter The distortion analyzer should be band limited to 20kHz at its input to eliminate high fre...

Page 13: ...buss level at 400Hz to the MONAURAL input connector on the SORS back panel Toggle the Mono Stereo switch to the MONO position and set the input controls on the front panel to midrange Rotate the mode...

Page 14: ...0 dbm at TP5 This adjusts the signal level to the input of the delay circuit With a frequency counter at TP6 adjust CLK R52 for 150 kHz The clock frequency determines the audio delay Adjusting to 150...

Page 15: ...be set just before the increase occurs This adjusts the level of the delayed signal fed back to the NR peak follow circuit This holds the NR circuit open until the end of the delayed signal Adjust NR...

Page 16: ...adjustment reduces the amount of clash on excessive overloads Adjust ICLP R11 for 4 0 VDC at TP4 and adjust OCLP R40 for 4 0 VDC at TP 3 This setting clips signals just over 130 on the inside and outs...

Page 17: ...BIAS controls reduced to zero and the rotary mode switch set to BIAS the meters will accurately read the ribbon spacing if the SETUP pots on the front panel have been properly adjusted to slack spaci...

Page 18: ...If the measured modulation does not equal 80 do the following Connect a dB meter connected to the monitor output then adjust R144 Rotate the mode switch to the RECORD position Toggle the PEC DIRECT s...

Page 19: ...HOW TO MEASURE MODULATION ON 35mm DUAL BILATERAL OPTICAL TRACKS 15...

Page 20: ...16...

Page 21: ...el remains constant and adjust the light valve equalization internal trimpots to achieve a flat response as monitored on the P E C monitor output The reduced signal and bias level are used to assure t...

Page 22: ...y be used to assure this balance of density The photoelectric monitoring system on the SORS is very helpful in achieving lamp balance which is changed by moving the record lamp horizontally You will n...

Page 23: ...set DS1 is for recording preemphasis and DS2 is for monitor deemphasis Both are complimentary to each other and should therefore always be set in the same condition Refer the SORS PRINT LOSS EQUALIZA...

Page 24: ...7 8 9 1 100 2 3 4 5 6 7 8 9 1 1000 2 3 4 5 6 7 8 9 1 10000 2 20000 SORS PRINT LOSS EQUALIZATION FREQUENCY IN CYCLES PER SECOND 0 dB 2 dB 2 dB 4 dB 6 dB 8 dB 10 dB 12 dB 14 dB 16 dB 18 dB 20 dB F L A T...

Page 25: ...for the proper slack ribbon spacing readings Rotate the mode switch to BIAS and adjust for a 1 5 mil bias line Change to RECORD mode and adjust the input to 80 at 400 Hz With the DIRECT P E C in the D...

Page 26: ...alve Output 5 pin female XLR LV TERMINALS Pin 1 Left Sprocket Side 1 Pin 2 Left Picture Side 2 Pin 3 COM 3 Pin 4 Right Sprocket Side 4 Pin 5 Right Picture Side 5 5 Remote Meter Output 4 pin female XLR...

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