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OPTIMOD-FM 8200 V3.00 UPGRADE

MANUAL ADDENDUM

I-13

•

Security PASCODE authorized for SYSTEM SETUP.

•

Protection Structure pre-emphasis filters are now phase-linear.

•

Adds Protection Limiter control: 30 Hz HPF switch to set the 30Hz high-pass
filter prior to the limiter in or out of the signal path.

•

Adds Two-Band Purist Structures: 2B-PUR PROCESSED, 2B-PUR
CLASSICAL.

•

Adds Two-Band control: AGC SWITCH.

•

Additional Multi-Band Controls, including: AGC SWITCH, HIGH
FREQUENCY CLIPPING, PRESENCE, LOW BASS BOOST, MID BASS
BOOST, BASS COUPLING, DJ BASS BOOST, NOISE REDUCTION
THRESHOLD, 30Hz HPF (Highpass Filter) switch.

•

EXIT TEST Test preset now stored as the BACKUP preset.

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Содержание OPTIMOD-FM 8200

Страница 1: ...Operating Manual OPTIMOD FM 8200 Digital Audio Processor...

Страница 2: ...ption CIT25 Composite Isolation Transformer 8200D 32 Digital I O Card 32kHz 8200 PC Remote Control Software for IBM PC compatible computers MANUAL Part Number Description 95100 301 01 8200 Manual incl...

Страница 3: ...ough openings Damage Requiring Service The appliance should be serviced by qualified service personnel when The power supply cord or the plug has been damaged or Objects have fallen or liquid has been...

Страница 4: ...apr svente autoris Safety Instructions Spanish Hacer funcionar el aparato s lo con la tensi n y clase de corriente se aladas en la placa indicadora de caracter sticas Reemplazar los fusibles s lo por...

Страница 5: ...scrape the paint inside the slotted holes Packing When you pack the unit for shipping Tighten all screws on any barrier strip s so the screws do not fall out from vibration Wrap the unit in its origi...

Страница 6: ...ave access to more functions than they should Therefore we recommend that each user re enable lockout mode when finished with normal operation Re enabling lockout ensures that each user is allowed to...

Страница 7: ...nd Features For Version 3 00 pages into your 8200 Operation Manual in Section 3 at the end of the discussion on The Multi Band Structure directly preceding the red tabbed Screen Displays page New cont...

Страница 8: ...sends status bits identifying that emphasis is not indicated which ensures that the affected digital STLs will not inappropriately apply EIAJ de emphasis When these digital STLs are used in combinatio...

Страница 9: ...e presets from which they were taken and the nominal LESS MORE setting of each preset Many of the presets come in several flavors like dense medium and open These refer to the density produced by the...

Страница 10: ...UM ROCK MEDIUM 7 0 FH ROCK OPEN ROCK OPEN 7 0 FI ADLT CONTEMP MED ADLT CONTEMP MED 5 0 FJ ADLT CONTMP OPEN ADLT CONTMP OPEN 5 0 FK COUNTRY MEDIUM ADLT CONTEMP MED 5 0 FL COUNTRY OPEN ADLT CONTMP OPEN...

Страница 11: ...become dense This is an ideal preset for formats designed primarily for women listeners who by and large dislike hyped treble or for any preset designed for long time spent listening formats because o...

Страница 12: ...the various equalizer controls reducing their effect We have therefore provided a mix control with a 3dB range at the output of each limiter in the five band limiter These act as fixed equalizer cont...

Страница 13: ...ss clipper unnecessarily reduces bass punch at its factory settings To accommodate these users Version 3 00 software makes the threshold of the bass clipper a user adjustable control The range with re...

Страница 14: ...ncreased harshness on voice we recommend that you use external phase rotation three cascaded poles each tuned to 200Hz in your live microphone chain and in your production studio mic chain If this is...

Страница 15: ...10 1K 5 OUTPU 10K 1 Figure 1 Phase Rotator for Microphone Channel Notes Unity Gain Line Level Bypass and Power Leads of TL074 to Ground with 0 1 F 50V monolithic ceramic capacitors Operate from 15V a...

Страница 16: ...ive DA 5B SLOW 1 0 1 5 DB 5B MEDIUM SLOW 1 0 1 5 DC 5B MEDIUM FAST 1 0 3 0 DD 5B FAST 1 0 2 5 CA 2B NOR PROCESSED 1 0 1 5 To ensure that you meet the requirements do not increase the settings of these...

Страница 17: ...an 8208 and 8218 Stereo Encoders This special implementation may be defeated to accommodate certain digital STLs that misinterpret these status bits PC Security Enable On or Off When set to Off passwo...

Страница 18: ...bration Controls Adds Transmitter Overshoot and SCA Modulation Compensation Adds control for Stereo Encoder Modulation Type STEREO MONO FROM L MONO FROM R Input Analog or Digital Clock Sync To for syn...

Страница 19: ...z high pass filter prior to the limiter in or out of the signal path Adds Two Band Purist Structures 2B PUR PROCESSED 2B PUR CLASSICAL Adds Two Band control AGC SWITCH Additional Multi Band Controls i...

Страница 20: ...I 14 MANUAL ADDENDUM Orban This Page Intentionally Left Blank...

Страница 21: ...Operating Manual OPTIMOD FM 8200 Digital Audio Processor...

Страница 22: ...ide reasonable protection against such interference when this type of equipment is oper ated in a commercial environment Operation of this equipment in a residential area is likely to cause interferen...

Страница 23: ...Section 2 Installation Installation of 8200 Installation of Studio Level Controller System Setup Using QUICK SETUP System Setup Using Individual Calibration Controls Time and Date Security and Pascode...

Страница 24: ...Problems and Possible Causes Troubleshooting IC Opamps Technical Support Factory Service Shipping Instructions 6 1 Section 6 Technical Data Specifications Circuit Description Parts List Schematics As...

Страница 25: ...vel output 1 2 2 25 3 3 composite metering 1 19 composite output impedance 2 5 compression 3 5 3 35 computer interface 1 10 2 14 connectors audio 2 16 CONTRAST control 2 25 3 3 Control board 6 21 cont...

Страница 26: ...pping 3 36 3 39 compression 3 35 customizing settings 3 34 density 3 35 distortion 3 36 3 39 equalization 3 37 3 38 high frequency 3 38 loudness 3 35 3 36 on air 3 33 setup 3 35 multi band structures...

Страница 27: ...reo encoder board 6 15 interference 5 5 performance verification 4 9 stereo mono select 2 60 STL systems 1 13 structures multi band 3 31 protection limiter 3 15 two band 3 21 studio chassis 2 46 SUB T...

Страница 28: ...This Page Intentionally Left Blank...

Страница 29: ...HELP 1 6 Presets in the 8200 1 7 Input Output Configurations 1 11 Location of OPTIMOD FM 1 17 About Transmission Levels and Metering 1 17 Figure 1 1 Absolute Peak Level VU and PPM Reading 1 19 Line U...

Страница 30: ...CONTROL KNOB ARROW KEYS SCREEN CONTRAST CONTROL SOFT KEY BUTTONS ESC BUTTON HELP BUTTON TEST SWITCH POWER LED STEREO ENCODER CONTROLS 1 2 INTRODUCTION OPTIMOD FM 8200...

Страница 31: ...y used pre emphasis curves of 50 s and 75 s Its pre emphasis control is almost never audibly apparent producing a clean open sound with subjective brightness matching the original program The 8200 ach...

Страница 32: ...as a series of high speed mathematical computations made by Digital Signal Processing DSP chips The 8200 is shipped in various versions containing different sets of processing structures Refer to the...

Страница 33: ...200 Audio Processor contains a versatile real time clock which permits presets to be recalled at pre programmed times All compression limiting and clipping can be defeated by remote control to permit...

Страница 34: ...nded settings for each processing structure They are indicated on the RECALL PRESET list on the 8200 by a two letter designation followed by a description such as AA PROTECTION 0dB or DB 5B MEDIUM SLO...

Страница 35: ...eset Either way the Factory Preset remains for you to return to if you wish Input Output Configurations The OPTIMOD FM 8200 DIGITAL is designed to simultaneously accommodate analog left right inputs a...

Страница 36: ...S P DIF Sony Philips Digital Interface standard used in consumer digital applica tions such as the digital outputs of CD players The AES EBU interface will not work with S P DIF signals Stereo Analog...

Страница 37: ...ized with a Temperature Compensated Crystal Oscillator TCXO The 8200 Stereo Encoder Board has four unused pads that are spaced for a certain TCXO package to be soldered into place Four components also...

Страница 38: ...midnight The functions of the eight inputs can be re configured by the user via SYSTEM SETUP For example if you are not using the stereo encoder the three inputs ordinarily dedicated to controlling t...

Страница 39: ...must be essentially constant throughout the frequency range containing significant energy 30 15 000Hz If low pass filters are present this may require the use of delay equalization The deviation from...

Страница 40: ...ll accept the delivery of a baseband encoded signal use the 8200 s internal stereo encoder at the studio location to feed the STL Then feed the output of the STL receiver directly into the transmitter...

Страница 41: ...emphasis network and low pass filters perform the same functions while retaining tight peak control Transmission from Studio to Transmitter There are five types of studio to transmitter links STLs in...

Страница 42: ...er Older technology links may use straightforward PCM pulse code modulation without data rate reduction These can be very transparent and can exhibit accurate pulse response provided that their input...

Страница 43: ...gned to be easily configured at the factory for composite operation where the entire FM stereo baseband is passed including the pilot tone and stereo subchannel The requirements for maintaining stereo...

Страница 44: ...th the main 8100A 8100A1 or 8100A 1 chassis at the transmitter you may wish to continue to use the Studio Chassis to protect the STL when you install the 8200 at the transmitter If you are keeping you...

Страница 45: ...indicates a level between RMS and the actual peak The PPM has an attack time of 10ms slow enough to cause the meter to ignore narrow peaks and under indicate the true peak level by 5dB or more The abs...

Страница 46: ...ll experience noticeable clipping on some program material In facilities that use the BBC standard PPM maximum program level is usually PPM4 for music PPM6 for speech Line up level is usually PPM4 whi...

Страница 47: ...solute instantaneous peak response of the meters Reference tone should be set to indicate 0dB on these meters Left Right Output Level Left and right output level is shown on a VU type scale 20 to 3dB...

Страница 48: ...e driven equipment will undo the effect of the 8200 s internal de emphasis and the 8200 s output level should be adjusted so that the tone produces 100 modulation of the transmission link as measured...

Страница 49: ...racy clock reset capability is provided at the Remote Control Interface connector Using a pulse generated by your station s standard clock system you can reset the 8200 s clock to the nearest hour or...

Страница 50: ...k Form We are very interested in your comments about this product Your suggestions for improve ments to either the product or the manual will be carefully reviewed A postpaid User Feedback Form is pro...

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