Orban OPTIMOD 8200ST Operating Manual Download | Manualshive

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Summary of Contents for OPTIMOD 8200ST

Page 1: ...Operating Manual OPTIMOD Studio Chassis Automatic Gain Controller 8200ST...

Page 2: ...ical shock do NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL WARNING TO REDUCE THE RISK OF FIRE OR ELECTRICAL SHOCK DO NOT EXPOSE THIS APPLIAN...

Page 3: ...lled into the enclosure through 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 hav...

Page 4: ...de service aprdsvente autorisa Safety Instructions Spanish Hacer funcionar el aparato s6lo con la tension y clase de corriente senaladas en la placa indicadora de caracteristicas Reemplazar los fusibl...

Page 5: ...Operating Manual OPTIMOD Studio Chassis Automatic Gain Controller 8200ST...

Page 6: ...trols and Meters Example Control Settings More About 8200ST Audio Processing 4 i Section 4 Maintenance Getting Inside the Chassis Performance Evaluation 5 1 Section 5 Troubleshooting Problems and Poss...

Page 7: ...7 overload point 2 7 stages 4 3 installation 2 1 J jumpers access to 4 2 positions 2 4 K keep alive circuit 6 12 L level calibration 2 11 leveling 3 7 6 6 logic circuit 6 12 loudness 3 5 M meter calib...

Page 8: ...OPTIMOD STUDIO CHASSIS 8200ST INTRODUCTION Section 1 Introduction page contents 1 3 Orban OPTIMOD STUDIO CHASSIS 8200ST...

Page 9: ......

Page 10: ...ls of audio Defeatable Silence Gate not a conventional noise gate but a circuit that freezes the level controller s gain when signals drop below threshold This gate prevents rush up of background nois...

Page 11: ...INTRODUCTION Orban This Page Intentionally Left Blank...

Page 12: ...2 3 Suggested Ground Scheme CAUTION The installation and servicing instructions in this manual are for use by qualified personnel only To avoid electric shock do not perform any servicing other than...

Page 13: ...ous physical damage contact the carrier immediately to make a damage claim Packed with the 8200ST are AC Power Cord Operating Manual Warranty Registration Card Safety Sheet ad Save all packing materia...

Page 14: ...s appropriate to your 8200ST s Model The green yellow wire is connected directly to the 8200ST chassis If you need to change the plug to meet your country s standard and you are qualified to do so see...

Page 15: ...IPPER ON CLIPPER OFF LEFT RIGHT LEFT RIGHT OUTPUT OUTPUT OUTPUT OUTPUT p 1 pin p O in on 1 In o JA JA JE JF JE JF Line up Level Jumpers PEAK AVG LEFT RIGHT LEFT RIGHT OUTPUT OUTPUT OUTPUT OUTPUT pa On...

Page 16: ...k clippers achieving absolute peak control prior to the 8200ST s de emphasis If the 8200ST s de emphasis is disabled then the 8200ST s peak level will be absolutely limited Otherwise the maximum peak...

Page 17: ...the modulation level of the driven equipment correctly When TONE LEVEL jumpers are set to AVERAGE the tone level is approximately 18dB below 100 modulation This level corresponds approximately to OVU...

Page 18: ...tput XLR connectors respectively Connect the shield of the 8200ST input cable to pin 3 of the 8200ST s input XLR and connect the shield of the 8200ST output cable to pin 3 of the 8200ST s output XLR I...

Page 19: ...el simulate a true transformer output The source impedance is 300 In addition there is a lOOOpF capacitor between each output HI and LO to the chassis for RFI suppression The output is capable of driv...

Page 20: ...uit grounds must be connected to each other all equipment chassis grounds must be connected together In low RF fields cable shields must be connected at one end only preferably the source output end I...

Page 21: ...e isn t enough ground ing Try connecting the LO pin on the 8200ST s XLR connector to ground and see if the buzz goes away Either pin 3 or pin 2 will work as the LO pin the choice depends only on your...

Page 22: ...cation of peak modula tion c Press the tone button to turn off the tone If the transmitter or subcarrier generator suffers from bounce or overshoot you may have to reduce the L OUT and R out control s...

Page 23: ...00ST To tell your 8200 that an Orban studio chassis is installed at your studio feeding the STL link set the studio chassis parameter to YES This parameter can be set on the 8200 s front panel SYSTEM...

Page 24: ...T Audio Processing Caution The installation and servicing instructions in this manual are for use by qualified personnel only To avoid electric shock do not perform any servicing other than that conta...

Page 25: ...ol speeds or slows the 8200ST s primary AGC level controller when the agc button is on When set to slow the level controller acts as a slow leveler keeping the long term average level constant but all...

Page 26: ...The 25p s setting produces the least high frequency limiting the 15 Ops setting produces the most The HF limiter is particularly effective at de essing excessively sibilant voices and is more effectiv...

Page 27: ...generator when strapped for peak reference level The actual output level of the 8200ST is determined by the out controls which set the reference level at the 8200ST s XLR output from less than lOdBu...

Page 28: ...ent tone strapped for peak reference level to the transmitter 100 modulation level HF LIMITER off or to complement any pre emphasis used GAIN REDUCTION for 5 1 OdB G R or for amount of AGC gain reduct...

Page 29: ...m material off is usually appropriate unless program material is primarily unprocessed speech ON Clipper jumper JA on 15kHz Analog Phone Lines OUT HF LIMITER GAIN REDUCTION GATE RELEASE VOICE AGC matc...

Page 30: ...very fast RELEASE settings Settings towards SLOW tend to retain a full sense of dynamic range and add no coloration to the sound only controlling long term average levels The voice control complements...

Page 31: ...n none Recording tape at 30ips PCM digital links 25 is 6 37kHz Recording tape at 15ips 37 5ps 4 24kHz Recording tape at 7 5ips 5 Ops 3 18kHz FM broadcast Europe PCM digital links with ELAJ pre emphasi...

Page 32: ...e 50ps pre emphasis or above most program material produces frequent peaks at 100 modulation and will therefore hit the peak clippers in the 8200ST The 8200ST s modulation meter will show this clearly...

Page 33: ...Orban 3 10 OPERATION This Page Intentionally Left Blank...

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