Orban OPTIMOD-FM 8600 Operating Manual Download Page 284

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Summary of Contents for OPTIMOD-FM 8600

Page 1: ...Operating Manual OPTIMOD FM 8600 Digital Audio Processor Version 4 1 Software...

Page 2: ...IRE OR ELECTRICAL SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE h This symbol wherever it appears alerts you to the presence of uninsulated dangerous voltage inside the enclosure voltage that...

Page 3: ...pilled 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 h...

Page 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...

Page 5: ...you pack the unit for shipping 1 Tighten all screws on any barrier strip s so the screws do not fall out from vibration 2 Wrap the unit in its original plastic bag to avoid abrading the paint 3 Seal t...

Page 6: ...s the spark or shock you may have felt when touching a doorknob or some other conductive surface A much smaller static discharge is likely to destroy one or more of the CMOS semiconductors employed in...

Page 7: ...Operating Manual OPTIMOD FM 8600 Digital Audio Processor Version 4 1 Software...

Page 8: ...1 12 RS 232 Serial Port Serial 1 1 12 RS 232 Serial Port Serial 2 1 12 100 Mbps Ethernet Port 1 12 LOCATION OF OPTIMOD FM 1 13 Optimal Control of Peak Modulation Levels 1 13 Best Location for OPTIMOD...

Page 9: ...log Audio Input 2 6 Analog Audio Output 2 7 AES3 Digital Input and Output 2 7 Connecting a Ratings Encoder 2 8 COMPOSITE OUTPUT AND SUBCARRIER INPUTS 2 9 Figure 2 3 Separation vs load capacitance 2 10...

Page 10: ...75 Connecting Using Windows 2000 Direct Serial Connection 2 75 Connecting Using Windows XP Direct Serial Connection 2 81 Connecting Using Windows 7 Direct Serial Connection 2 85 Preparing for Communic...

Page 11: ...Controlsct 3 31 Table 3 3 Stereo Enhancer Controls 3 35 STEREO ENHANCER CONTROLS 3 35 AGC CONTROLS 3 36 Table 3 4 AGC Controlsa 3 37 Advanced AGC Controls 3 39 PEAK LIMITER CONTROLS 3 42 Table 3 5 Pea...

Page 12: ...3 84 GETTING THE BASS SOUND YOU WANT 3 85 Bass Punch in the MX Presets 3 86 Summary 3 87 USING THE 8600 PC REMOTE CONTROL SOFTWARE 3 87 To set up a new connection 3 88 To initiate communication 3 88 T...

Page 13: ...ill Not Pass Emergency Alert System EAS USA Standard Tones at the Legally Required Modulation Level 5 5 System Receiving 8600 s Digital Output Will Not Lock 5 6 19 kHz Frequency Out of Tolerance 5 6 L...

Page 14: ...ntrol Circuits 6 7 User Control Interface and LCD Display Circuits 6 8 Input Circuits 6 9 Output Circuits 6 10 DSP Circuit 6 12 AES Output L R Channel Reversal Bug 6 13 Power Supply 6 14 ABBREVIATIONS...

Page 15: ...Parts Locator Drawing 6 51 Schematic 1 of 1 6 52 I O Board Analog Input output AES3 Input output Composite Output SCA Input Contains Parts Locator Drawing 6 53 L and R Analog Inputs Schematic 1 of 6 6...

Page 16: ...Parts Locator Drawing 6 75 Board Schematic 1 of 2 6 76 Schematic 2 of 2 6 77 Digital MPX Board Retrofit board for pre MPX 8600s Parts Locator Drawing 6 78 For 8600MPX Contains Parts Locator Drawing 6...

Page 17: ...Master 3 37 Analog output 2 7 Analog auto fallback 2 40 41 Analog baseband outputs 1 10 Analog delay remote control 2 61 analog fallback 2 32 Analog I O 1 10 analog input fallback 2 40 fallback to dig...

Page 18: ...Control Threshold 3 78 BS 1770 loudness meter limitations 2 42 BS 1770 safety limiter and FInal Limit Drive 2 41 setup 2 32 BS 1770 Safety Limiter control functionality 3 78 BS 1770 Safety Limiter 2...

Page 19: ...mputer Windows XP 5 10 Computer Connecting to 2 5 Troubleshooting connections 5 9 Computer interface Ethernet card 2 5 Modem card 2 5 RS 232 2 5 serial 1 2 5 Computer interface 1 12 Connecting through...

Page 20: ...34 Drive control Multiband 3 59 DSP Block diagram 6 83 84 Circuit description 6 12 DSP board Reinstalling 4 6 Removing 4 2 Dual microwave STLs 1 18 Dull sound troubleshooting 5 5 E EAS modulation Low...

Page 21: ...osite 1 15 13 1 Grounding loss of 4 1 Grounding 2 12 Grouping 8600s In PC Remote 3 94 H Half cosine interpolation limiter 3 12 13 Hard Clip Shape 3 49 HD Bandwidth 3 75 cannot set output for 5 7 Dithe...

Page 22: ...Intermediate Modify 3 17 Internet Cannot access 5 10 Time server 2 69 IP address changing via Terminal Program 2 51 Entering into 8600 2 63 serial connection 2 58 terminal connection 2 58 ITU 412 3 8...

Page 23: ...Power Level 3 81 Meter Sel control 3 74 Meters circuit description 6 8 studio 1 21 Mod reduction explained 2 22 via GPI 2 61 Modem Preparing for connection 2 95 Recommended baud rate 2 96 Setting up...

Page 24: ...tion Drive 3 49 P Parametric equalizer 3 9 30 Parts Obtaining 6 16 Parts list Base board 6 17 CPU board 6 18 DSP board 6 26 Encoder board 6 30 Headphone board 6 29 I O board 6 22 Interface board 6 28...

Page 25: ...lling 2 41 Preset 8400 compatibility 3 92 Backup 3 90 Deleting user 3 19 recall via GPI 2 61 Recalling via terminal program 2 53 restoring archived 3 92 Saving from PC Remote 3 90 sharing between 8600...

Page 26: ...3 35 S Sample Rate control HD 3 76 sample rate conversion overshoot in 1 4 Sample rate converter Testing 4 12 Saving user presets 3 18 SCA digitized setup 2 38 Input specifications 6 5 inputs 1 11 Int...

Page 27: ...mode 2 19 Studio transmitter link 1 16 Subassembly removal and reinstallation 4 1 Subcarrier Input specifications 6 5 inputs 2 10 Subcarrier input 1 11 Subcarrier input 2 9 subcarriers digitized 1 11...

Page 28: ...ng software 2 72 Urban format 3 30 User preset deleting 3 19 User presets Archiving 3 19 Creating 3 16 18 User presets 1 8 V Vestigial sideband 3 11 view meters 2 45 Voice music balance 3 18 Voltage s...

Page 29: ...matched by analog processors OPTIMOD FM 8600 is descended from the industry standard OPTIMOD FM audio processors Thousands of these processors are on the air all over the world They have proven that t...

Page 30: ...io because this enables them to use their available bit bandwidth most efficiently by concentrating on the part of the audio spectrum that is critical to perceived audio quality This is particularly t...

Page 31: ...e interpolation composite limiter operating at 512 kHz sample rate to generate the pilot tone stereo baseband signal and control its peak level The composite limiter is a unique you can only do this i...

Page 32: ...analog and digital media processing channels allowing you to separately optimize the processing for each An AES11 sync input allows you to synchronize the output sample rate of ei ther or both AES3 o...

Page 33: ...imiter closes a feedback loop around the audio processing it allows the user to adjust the processor s subjective setup controls freely without violating BS412 limits regardless of program material Th...

Page 34: ...ffects The 8600 rides gain over an adjustable range of up to 25 dB compressing dy namic range and compensating for both operator gain riding errors and gain in consistencies in automated systems The 8...

Page 35: ...that runs under Windows XP and higher It communicates with a given 8600 via TCP IP over modem di rect serial and Ethernet connections You can configure PC Remote to switch between many 8600s via a con...

Page 36: ...Input called REF IN and appearing on the digital composite breakout cable can be used to lock the stereo pilot tone and the digital composite sample rate to a high precision external reference like a...

Page 37: ...guration OPTIMOD FM will simultaneously accommodate Digital AES3 left right inputs Two Digital AES3 outputs both of which can be switched independently to carry the following signals FM analog process...

Page 38: ...The left and right analog outputs are on XLR type male connectors on the rear pan el Output impedance is 50 balanced and floating They can drive 600 or higher impedances balanced or unbalanced The pe...

Page 39: ...and subchannel level by connecting an on off signal from your subcarrier gen erator See page 2 9 You define the amount of reduction in units of percent mod ulation on the Input output screen See page...

Page 40: ...program for any IBM compatible PC with 600x800 graphics or higher running Microsoft Windows XP or higher 8600 PC permits you to adjust any 8600 preset by remote control or to do most anything else th...

Page 41: ...ange containing significant energy 30 15 000Hz If low pass filters are present this may require the use of delay equalization The deviation from linear phase must not exceed 10 from 30 15 000Hz 2 The...

Page 42: ...ereo encoder at the studio location to feed the STL Then feed the output of the STL receiver directly into the transmitter s ex citer with no intervening processing If an uncompressed left right digit...

Page 43: ...likely that ground loops or other noise problems will occur in the installation If you require a long cable run you can use a Jensen JT 123 BMCF transformer1 to break any ground loops This transforme...

Page 44: ...aborate below Digital Links Digital links may pass audio as straightforward PCM encoding or they may apply los sy data reduction processing to the signal to reduce the number of bits per second requir...

Page 45: ...equally well by any link with 44 1 kHz or higher sample frequency Currently available sample rate converters use phase linear filters which have con stant group delay at all frequencies If they do not...

Page 46: ...unity than composite microwave STLs However problems include gain and phase matching of the left and right channels overloads induced by preemphasis and re quirements that the audio applied to the mic...

Page 47: ...his frees the system from potential overshoot The Orban 8200ST can be readily config ured to produce a pre emphasized output Further it is common for a microwave STL to bounce because of a large infra...

Page 48: ...he carrier deviates no further than 75 kHz after overshoot This overshoot reduction can be selected on the INPUT OUTPUT screen and the remote operation can be selected in SYSTEM SETUP NETWORK REMOTE S...

Page 49: ...rogram Studio Line up Levels and Headroom The studio engineer is primarily concerned with calibrating the equipment to pro vide the required input level for proper operation of each device so that all...

Page 50: ...level of a program to prevent overloading or over modulation of the transmission system This peak overload level is defined differently system to system Figure 1 1 Common Audio Meter Scales Aligned t...

Page 51: ...Levels and Subjective Loudness The meters on the 8600 show left right input and output levels and composite mod ulation Left and right input level is shown on a VU type scale 0 to 40 dB while the met...

Page 52: ...S 1770 Loudness Level BS 1770 01 Measured loudness xL K filter Mean square yL GL xR K filter Mean square yR GR xC K filter Mean square yC GC xLs K filter Mean square yLs GLs xRs K filter Mean square y...

Page 53: ...there The meter is scaled so that the loudness level at the consumer s receiver is correct when the 8600 s digital radio processing chain is adjusted to make the dominant program material indicate 0...

Page 54: ...lated remote con trol interface ports to activate the Test Tone Built in Calibrated Bypass Test Mode A BYPASS Test Mode is available to transparently pass line up tones generated earlier in the system...

Page 55: ...ixing with the live voice sound which introduces notches in the spectrum that the talent hears when he or she talks All digital processors induce this coloration to a greater or lesser extent Fortunat...

Page 56: ...and 2 the 8600 UL presets use anti aliased clippers operating at 256 kHz sample rate Some talent moving from an analog processing chain will require a learning period to become accustomed to the voice...

Page 57: ...8600 See Test Modes on page 3 84 for more information 1 Place the 8600 in Bypass mode locally A LOCATE to SYSTEM SETUP on the pop up Menu display then press ENTER but ton B Select TEST MODES LOCATE to...

Page 58: ...for the duration of the EAS tones and data broad cast PC Control and Security Passcode PC software control provides access to OPTIMOD FM via network modem or direct null modem cable connection with I...

Page 59: ...r warranty written or oral is authorized for Orban Products This warranty gives you specific legal rights and you may have other rights that vary from state to state Some states do not allow the exclu...

Page 60: ......

Page 61: ...antity Item 1 Operating Manual 2 Line Cords domestic European 2 Fuses A 250V Slow Blow for 115V 250 mA 250V for 230V 2 Fuse holders gray for 115V fuses and black for 230V fuses 4 Rack mounting screws...

Page 62: ...e unit yet B Check the VOLTAGE SELECT switch This is on the rear panel The 8600 is shipped from the factory with the VOLTAGE SELECT switch set to the 230V position Check and set the VOLTAGE SELECT swi...

Page 63: ...nted away from sources of vi bration such as large blowers and is operated as cool as possible 4 Connect inputs and outputs See the hookup and grounding information on the following pages Audio Input...

Page 64: ...he load taking into account the fact that the voltage on pin 25 is current limited by a 310 resistor The tally outputs are protected against reverse polarity I To avoid damaging the 8600 limit the cur...

Page 65: ...s provided to connect the 8600 to your existing transmitter remote control The 8600 remote control supports user programmable selection of up to eight optically isolated GPI inputs The 8600 remote con...

Page 66: ...ally with nominal input levels between 14 dBu and 8 dBu 0 dBu 0 775Vrms For this application the dBm 600 scale on voltme ters can be read as if it were calibrated in dBu The peak input level that caus...

Page 67: ...0 s output and at the output of other equipment in the system do not connect the cable s shield to the CHASSIS GROUND terminal pin 1 on the XLR type connector Instead connect the shield to the input d...

Page 68: ...higher uncompressed link without adding significant overshoot Because sample rate conversion is ordinarily a phase linear process that does not add bandwidth the 8600 s output signal will continue to...

Page 69: ...ve been applied to the 8600 s subcar rier inputs Each output s level is independently adjustable from 13 7 dBu to 10 6 dBu The output impedance of composite output 1 and composite output 2 can be set...

Page 70: ...ccept any subcarrier or combinations of sub carriers above 23 kHz Below 5 kHz sensitivity rolls off at 6 dB octave to suppress hum that might otherwise be introduced into the subcarrier in puts which...

Page 71: ...located in the I O SETUP SCREEN with the tab DIGITAL ENCODER This output appears on a male XLR type connector on the breakout cable supplied with your Optimod This output is fully compatible with and...

Page 72: ...ource The 8600 has balanced inputs Its subcarrier inputs are unbalanced but frequency response is rolled off at low frequencies to reject hum All equipment circuit grounds must be connected to each ot...

Page 73: ...a new User Preset to re tain your edit permanently Even if not saved your edited preset will be retained automatically even if the 8600 is powered down and will be re stored on air upon power up If no...

Page 74: ...t up when the input audio falls below the threshold set by the gate threshold controls There are two gating circuits one for the AGC and one for the multiband limiter each with its own Gate Thresh con...

Page 75: ...the clip per drive reducing the average power in the processed audio The BS 1770 gain reduction is shown in cyan and the multiplex power gain reduction is shown in dark blue This meter labeled PWR is...

Page 76: ...erage modulation We therefore strongly recommend that the STL transmitter s preempha sis be defeated freeing the STL from such potential overshoot and that the 8200ST be used to provide the necessary...

Page 77: ...amp should light and the modulation meters should indicate 0 If they do not re strap jumpers JB and JC to peak Refer to Figure 2 4 on page 2 16 The 8200ST is now producing a 400Hz sine wave at each ou...

Page 78: ...etup feature provides a guided systematic procedure for setting up the 8600 It should be adequate for most users without special or esoteric re quirements Following this section you can find more deta...

Page 79: ...600 to synchronize to an Internet timeserver See Synchronizing Optimod to a Network Time Server in page 2 69 4 Set preemphasis in regional settings screen A LOCATE to the Regional Settings screen SYST...

Page 80: ...h it was designed There are separate settings for the analog and digital inputs If you provide both analog and digital inputs to the 8600 optimum adjustment is achieved when the same amount of process...

Page 81: ...set the input to the source analog digital or DIG J17 that you will use for normal programming DIG J17 applies J 17 de emphasis to the incoming digital signal It is only applicable to certain STLs li...

Page 82: ...n the U S we recommend using 900 s peak weighting on the peak modulation indicator as permitted by F C C rules This will cause the monitor to ignore very low energy overshoots and will produce the hig...

Page 83: ...ic formats Feel free to audition different presets and to choose the one whose sound you prefer This preset may have a very dif ferent name than the name of your format This is OK You can easily modif...

Page 84: ...the knob c LOCATE to the INPUT OUTPUT UTILITIES screen B Set the MULTIPLEX POWER THRESHOLD to 0 0 dB If your transmission system introduces overshoot in the signal path after the 8600 including the t...

Page 85: ...optional The BS 1770 safety limiter and meter have been included to allow your Optimod to comply with government regulations in countries that enforce BS 1770 based loudness control per EBU Recommend...

Page 86: ...shown at http www orban com contact if you discover an error in our calibration D The calibration of the 1770 LOUDNESS THRESH control is correct if the transmit ter s modulation level was calibrated u...

Page 87: ...ectly Analog and Digital I O Setup For the following I O calibration parameters use the LOCATE joystick to highlight in put output parameters When the desired parameter is highlighted turn the front p...

Page 88: ...with a Studio Level Control System that has a built in 100 Calibra tion Tone such as the Orban 6300 8200ST Studio Level Controller or 4000 Transmission Limiter step C page 2 29 or Calibrate with an Or...

Page 89: ...st the 8600 s CLIP LEVEL to indicate 2 dB on the input meters D Calibrate with an Orban 464A Co Operator Skip this step if you are calibrating in another manner The 464A does not have a built in 100 t...

Page 90: ...8600 s CLIP LEVEL so that the program peaks indicate approxi mately 2 dB on the meter on the screen e Recall your regular AGC preset in Optimod PC 5 Adjust the Analog Input s Reference Level 9 dBu to...

Page 91: ...ain reduction d When finished reset EXTERNAL AGC to YES if required e g if that was its setting prior to setting REFERENCE LEVEL e Skip to step 6 E Calibrate using Program Skip this step if you are us...

Page 92: ...ht Phase Skew Correction on page 3 8 The Phase Corrector controls are found in the active Processing Preset Because the Phase Corrector adds about 250 ms of delay to the audio path if you do not wish...

Page 93: ...den control complements the setting of the Digital Output 1 100 PEAK LEVEL control For example when the Digital Output 1 100 PEAK LEVEL control is set to 3 dBFS the hidden control adds 3 dB of gain b...

Page 94: ...analog output for monitor ing set the output FLAT If you are sending the analog output of the 8600 through a digital link that uses lossy compression like MPEG APT X or Dolby set the output FLAT Lossy...

Page 95: ...digital input or SYNC IN set SR SYNC to INTERNAL and select the desired output sample rate MPX hardware provides a sync reference input labeled REF IN on a fe male BNC jack at the end of the breakout...

Page 96: ...reo encoder AGC applies a controlled audio level to the encoder and allows you to use one ratings encoder for both FM and HD LIMIT applies the highest possible audio level to the rat ings encoder but...

Page 97: ...s necessary to produce 9 modulation 6 75 kHz deviation This will ordinarily require you to set the PILOT LEVEL parameter to 10 12 Set preemphasis mode of Output meters optional When the METER SELECT s...

Page 98: ...ntermediate Control or Ad vanced Control screen D Set the PILOT LEVEL to 9 modulation If you have to reduce the setting of the COMPOSITE LEVEL control to ac commodate overshoots in the transmission pa...

Page 99: ...ransmitter If you use the low delay output you must drive your transmitter with a digital output or with the composite output If you need a low delay output that can drive a transmitter configure the...

Page 100: ...e two silence detectors one for the analog input and one for the digital input The silence sense parameters apply to both simultaneously Both detectors are available to drive the 8600 s tally outputs...

Page 101: ...fy presets to customize your sound and store these presets as User Presets A Navigate to the Presets screen a Press the control knob to display the pop up Menu b Turn the knob to highlight PRESETS and...

Page 102: ...to obtain an appropriate amount of gain reduction See step 13 on page 2 25 Using Clock Based Automation 1 If you have not already done so set the system clock If you can connect your 8600 to the Inte...

Page 103: ...sting automation event indefinitely until its state is changed by another automation event or by another ac tion like a user s interacting with the front panel or with the PC Remote application c Navi...

Page 104: ...s you to have at least one passcode with ALL SCREENS administrator privileges Your Optimod secures User Presets by encrypting them using the Advanced Encryp tion Standard algorithm with the session pa...

Page 105: ...anel will lock out at 9 12 00 AM 3 Set the Security Screen View Meters parameter Select YES to display meters and NO to hide meters when lockout is active 4 Create a new passcode optional A Select the...

Page 106: ...than one passcode before choosing DONE Choosing DONE on the Security Screen automatically saves all of your Passcode settings To Unlock the Front Panel A On the 8600 front panel operate any button or...

Page 107: ...rom the PC Remote To ensure good security you should first create a new ALL SCREENS passcode and then delete the ADMIN passcode in that order to prevent others from accessing your 8600 with the ADMIN...

Page 108: ...ts factory defaults In either case all existing passcodes will be erased If you choose to reset the unit to factory defaults the 8600 will subse quently ask whether it should erase all user presets or...

Page 109: ...2 for 30 minutes after power up or after the last valid command is re ceived after which the security restore and networking commands at Serial 2 are no longer available If you have forgotten your All...

Page 110: ...Operations Available via Serial Port 2 In the following tables of commands and responses Text that the user enters appears in MONOSPACED BOLD Responses that the 8600 transmits appear in monospaced no...

Page 111: ...and A Z No punctuation or extended characters are allowed Lower case letters included in the argument will automatically be converted to upper case 3 To change the IP Address Command Response IP XXX...

Page 112: ...X XXX the specified gateway yyy yyy yyy yyy the present gateway in use Valid gateways are defined according to existing standards Any out of range or invalid characters render the whole argument inval...

Page 113: ...o the argument i e lower case arguments will be transmitted to the modem as lower case 9 To change the Interface Type Command Response TY M D valid argument Ty Modem Direct entered invalid argument ER...

Page 114: ...not apply 12 To set the analog diversity delay Command Response TR X XXXXXXXXX PASSCODE valid passcode and argument DELAY X XXXXXXXXX invalid passcode no error message is issued In the above table X X...

Page 115: ...this command anytime after the 8600 boots up The 30 minute timeout does not apply In HD Radio installations this command is useful when switching the 8600 be tween transmitters if the transmitters exc...

Page 116: ...ontact closure 4 active inactive remote contact closure 5 active inactive remote contact closure 6 active inactive remote contact closure 7 active inactive remote contact closure 8 active inactive tal...

Page 117: ...l presets step 10 on page 2 53 turn the diversity delay on and off for a specified output step 11 on page 2 54 trim the diversity delay step 12 on page 2 54 change the polarity of the analog processed...

Page 118: ...wish to automate control download Plink Both of these applications are available for free download Search PuTTY with Google to find a download site Note that Windows 7 does not install a Telnet Clien...

Page 119: ...with a Telnet SSH client such as PuTTY along with its compan ion command line interpreter Plink Automating control changes is possible using the Windows Task Scheduler to launch batch files at the des...

Page 120: ...make the network connection between the com puter executing netcat exe and 8600 and specifies the txt file to use The txt file contains the 8600 commands The following two examples recall the presets...

Page 121: ...XIT TEST re verts to the normal operating mode using the previous processing preset Stereo switches the 8600 s stereo encoder on using normal double sideband modulation of the stereo subchannel SSB sw...

Page 122: ...og FM processed signal including the composite output FM Polarity Negative see above No Function remote input is disabled 3 End remote control interface programming When you are finished programming t...

Page 123: ...nnect a PC to the 8600 through the 8600 s RS 232 serial port either by modem or directly through a null modem cable 1 Prepare the 8600 for a network connection Skip this step if you will not be using...

Page 124: ...the Gateway When the Gateway entry is complete toggle to SAVE and press the ENTER button D If necessary set the Port assigned by your network administrator If you are behind a firewall this port needs...

Page 125: ...step C below S0 4 is the 8600 default setting This activates auto answer functionality in the modem c If the INIT STRING reads UNDEFINED press the ENTER button to access the MODEM INIT STRING screen...

Page 126: ...it from ftp orban com 8600 Instructions for using the PC Remote software start on page 3 87 Installing the Necessary Windows Services The 8600 PC Remote application uses Windows built in communicatio...

Page 127: ...apter If connecting by modem a 3Com U S Robotics 56kbps fax modem EXT and normal not null modem cable for the 8600 side of the connection Note that Orban Customer Service does not support any other ty...

Page 128: ...s details Setting Up Ethernet LAN and VPN Connections If you are using an Ethernet connection and your computer can successfully connect to the Internet through its Ethernet port it already has the co...

Page 129: ...r located on the Internet 1 From the main menu Locate to System Setup Place Date Time Time Sync A Use the SYNC PROTOCOL control to choose either TIME PROTOCOL or SNTP Select Time Protocol if the Optim...

Page 130: ...R Then press the ENTER button This will allow you to enter the IP address of the desired timeserver b Use the LOCATE button toggle to the first number and then press the ENTER button repeat until you...

Page 131: ...synchronize with an Internet time server to set your Optimod s SYNC PERIOD to 24 b Set Server to the desired timeserver c Click the Update Now button to synchronize your computer s clock to the select...

Page 132: ...600 and 8600FM PC Remote with an 8600FM If you attempt to upgrade an 8600FM using 8600 PC Remote software the software will refuse to connect The software version number of PC Remote must be the same...

Page 133: ...ebooting Your 8600 will continue to pass audio normally while the update is occur ring However the audio will be interrupted for approximately 3 seconds when your 8600 reboots Do not interrupt power t...

Page 134: ...2 74 INSTALLATION ORBAN MODEL 8600...

Page 135: ...600 to the DB9 serial connector on the 8600 s rear panel Be sure to use a null modem cable A normal serial cable will not work B Connect the other end of the cable to your computer s COM port Connecti...

Page 136: ...port or provide detailed installation instructions for the RAS null modem supplied with Windows 2000 and XP it can be Added just like any other modem in these operating systems see your Windows docum...

Page 137: ...own box select the serial port you will be using to make the connection j Click Next k Select either For all users or Only for myself The correct setting depends on how your network and security are c...

Page 138: ...2 78 INSTALLATION ORBAN MODEL 8600 m Enter a name for your Connection such as Connection to 8600 n Click Finish o Click Yes B Edit your new Direct Connection properties a Click Settings...

Page 139: ...ct the device you set up in step i on page 2 77 This will usually be Communications cable between two computers COM1 d Click Configure e Set Maximum speed bps to 115200 f Check Enable hardware flow co...

Page 140: ...onnection specifying Direct Connect in the 8600 PC Remote application see To set up a new connection on page 3 88 choosing this connection from 8600 PC Remote automatically opens a Windows Direct Conn...

Page 141: ...ccess to your LAN connection at the same time as you are connected to your 8600 by a direct serial cable you must connect to your 8600 via the RAS null mo dem not Windows Direct Connect We do not supp...

Page 142: ...Choose Connect directly to another computer h Click Next i In the drop down box select the serial port you will be using to make the connection j Click Next k Type in a name for your Connection such...

Page 143: ...Click Yes B Edit your new Direct Connection proper ties a Click Settings b Click the General tab c Select the device you set up in step i on page 2 82 This will usually be Communications cable betwee...

Page 144: ...of dial up server I am calling field k Make sure that Inter net Protocol TCP IP is checked You may leave File and Printer Sharing for Mi crosoft Networks and Client for Microsoft Networks checked if y...

Page 145: ...page 5 10 If you have trouble the first time after creating a connection according to the instructions above try restarting your computer to clear its serial port 3 To change the properties of an exis...

Page 146: ...o dems tab and click Add You need ad ministrator s rights to do this If UAC comes up provide the relevant creden tials and pro ceed C The Add Hardware Wizard will appear a Tick Don t detect my modem I...

Page 147: ...ew Modem window will appear a Select Communications cable between two computers b Proceed to next step by clicking on the NEXT button E Select the Serial com port to which the NULL cable is con nected...

Page 148: ...mpletes the installation of the device driver for the device Communications cable between two computers This configuration is also commonly known as Di rect Cable Communications 2 Set up the Network f...

Page 149: ...MOD FM DIGITAL INSTALLATION 2 89 A Go to the Network and Sharing Center and click on Set up a new connection or network link B In the Choose a connection op tion window select Set up a di al up connec...

Page 150: ...modem device D When prompted to Type the information from your Internet Service Provider enter a dummy number to the phone number field Windows will not use it E Choose a name for your connection and...

Page 151: ...Optimod Although you did not specifically install any thing that states PPP the PPP protocol has nev ertheless been installed 3 Configure the Direct Cable Connection adapter In this step you will cust...

Page 152: ...In the Direct Serial PPP Properties window select the General tab D Click the Configure but ton and select 115200 bps E Click OK to close the window F Make sure your bps set tings saves correctly a Di...

Page 153: ...e Click OK to dismiss the Properties window f Restart your computer Restarting should ensure that the bps setting is saved G Select the Networking tab a Unselect the Internet Protocol Version 6 b Cli...

Page 154: ...is connection from 8600 PC Remote automatically opens a Windows Direct Connec tion to your 8600 You can connect by selecting the desired con nection from the drop down list in the CONNECT menu You can...

Page 155: ...to the wall connection icon on the back of the modem modem in B Connect the modem cable from the modem to the serial port of the 8600 C Set the modem to AUTO ANSWER and turn it on For 3Com U S Robotic...

Page 156: ...correct port then click Prop erties for that modem g Make sure the port speed is set at 115200 h Click OK B Create a New Windows 2000 Dial Up Connection a Click Start Settings Network and Dial up Conn...

Page 157: ...the phone number of the modem connected to the 8600 that you are set ting up j Click the Next button k Select either For all users or Only for myself The correct setting depends on how your network an...

Page 158: ...ON ORBAN MODEL 8600 m Click the Next but ton n Type in a name for your Connection such as Connection to 8600 Modem o Click the Finish but ton p Click Yes D Edit your new Direct Connection properties a...

Page 159: ...elect the modem you will be using to make the connection on the PC side d Click Configure e Set Maximum speed bps to 115200 f Check Enable hard ware flow con trol g Check Enable modem error control h...

Page 160: ...tion see To set up a new connection on page 3 88 choosing this connection from 8600 PC Remote automatically opens a Windows modem connection to your 8600 You can connect by selecting the desired con n...

Page 161: ...T The COM port you choose at this point must match the COM port to which you connected your modem g From the tabs at the top choose Port Settings and configure the settings to match your PC modem If y...

Page 162: ...e correct port then click Prop erties for that modem g Make sure the port speed is set at 115200 h Click OK C Create a new Windows XP modem connection a Launch 8600 PC Remote b Choose Connect New 8600...

Page 163: ...up f Select Serial Connection g Click the Add button h Select Dial up to private network i Click Next j Enter the phone number of the mo dem connected to the 8600 you are setting up k Click Next l Typ...

Page 164: ...TION ORBAN MODEL 8600 n Click Yes D Edit your new Direct Con nection properties a Click Settings b Click the General tab c Select the modem you will be using to make the connection on the PC side d Cl...

Page 165: ...Type of dial up server I am call ing field m Make sure that Internet Protocol TCP IP is checked You may leave Client for Microsoft Networks checked if you like n Click OK o When the Connection proper...

Page 166: ...ur Optimod s status and to send Alarm notifications via your Optimod s Ethernet connection to your network It is beyond the scope of this manual to provide a gen eral explanation of how SNMP works The...

Page 167: ...255 255 255 Secondary Manger Alarm Port 162 SNMP Features The Get Query functions return information when you request it from an SNMP cli ent When triggered the Traps Alert functions push information...

Page 168: ...nnected to the AC line Power Supply 2 is Inactive see above Set Control Diversity Delay Primary and Secondary Manager IP Primary and Secondary Manager Port Station Name Traps Alert Analog Input Silent...

Page 169: ...ommunity string along with all SNMP requests If the community string is correct the device responds with the requested information If the community string is incorrect the device simply discards the r...

Page 170: ...tion from the 8600 Use the System I O the default to set up the RDS to generate static RDS Change the RDS data dynamically by using processing presets Change the RDS data dynamically by using terminal...

Page 171: ...ram Name PTYN Default undefined Music Speech MS Default Music Decoder Info DI Default Stereo Traffic Program TP Default 0 TA Timeout TATIME Default 30 57kHz RDS Subcarrier RDS Default Off Subcarrier L...

Page 172: ...Optimod will update the RDS output when a control is changed or if you select the DONE button Using Processing Presets RDS adjustment via processing presets are available only from PC Remote To use pr...

Page 173: ...if you recall the processing preset again the RDS generator will revert to transmitting 1234 be cause the terminal settings are not saved The INIT command clears any values previously sent from the Te...

Page 174: ...the command to the Telnet client which will write it to the screen The returned information will look similar to the following PS undefined DPS undefined DPSS 2 Seconds DPST Off RT KKDB MORE HIT MUSI...

Page 175: ...erminal Commands Table 2 2 lists the terminal commands Note that you can fetch the status of the RDS generator as follows command returns current value ST returns current value of all controls HELP re...

Page 176: ...broadcasts routine traffic info TP 0 No Traffic TA Traffic Alert ON AIR NOW 0 Flag Off 1 Flag On Flag valid only when TP 1 TA 0 No Traffic Alert TATIME TA Timeout 0 Timer Off 1 255 seconds between sta...

Page 177: ...me ters to the currently active RDS control set either the System Set tings or the User Preset group NOTE Any changes will not ap pear in the PC application if it is open You must reconnect to see the...

Page 178: ...7 122 104 8 173 89 6 21 94 7 72 99 8 123 104 9 174 89 7 22 94 8 73 99 9 124 105 0 175 89 8 23 94 9 74 100 0 125 105 1 176 89 9 24 95 0 75 100 1 126 105 2 177 90 0 25 95 1 76 100 2 127 105 3 178 90 1 2...

Page 179: ...sic Light Classics Music 14 Jazz Serious Classics Music 15 Classical Music Other Music 16 Rhythm and Blues Music Weather 17 Soft R and B Music Finance 18 Foreign Language Children s Programs 19 Religi...

Page 180: ...composite baseband your Optimod s RDS generator is locked in quadrature with respect to the pilot tone so Figure 2 5 is for reference only If your transmission system is broad casting stereo correctly...

Page 181: ...ach screen If multiple screens are available pressing and holding the knob left or right moves you to the previous and next function screens The yellow Escape button allows you to navigate quickly to...

Page 182: ...SPLIT mode the 8600 s front panel display shows the gain reduction of the FM analog multiband compressors on the left side of the split meters and the gain reduction of the digital radio compressors o...

Page 183: ...e 8600 The meter complies with the ITU R BS 412 standard and is calibrated and with reference to the 8600 s 100 peak modulation level HD HD Digital Radio G R meters show the gain reductions in the lef...

Page 184: ...h Fourier component Considered from this perspective a hard clipper has a wideband gain control signal and thus introduces sidebands that are far removed in fre quency from their associated Fourier ca...

Page 185: ...ng to achieve market share great care should be taken not to alienate women by excessive stridency harshness or distortion OPTIMOD FM from Bach to Rock You can adjust OPTIMOD FM so that the output sou...

Page 186: ...king punch and clarity Another unfortunate trend is the tendency to put so much high frequency energy on the CDs that this energy cannot possibly survive the FM preemphasis de emphasis process Althoug...

Page 187: ...tering and defeatable phase rotation Stereo Enhancement Two Band Gated AGC with target zone window gating and silence gating Equalization including high frequency enhancement Multiband Compression wit...

Page 188: ...ement on slight ly unbalanced mono material Multipath Mitigator Left Right Phase Skew Correction The phase skew corrector maximizes the quality of a mono mixdown or blend that might occur in a receive...

Page 189: ...mpressor Equalization The 8600 has steep slope bass shelving equalizer and three bands of fully parametric bell shaped EQ You can set the slope of the bass shelving EQ to 6 12 or 18 dB octave and adju...

Page 190: ...son why it achieves less on air loudness that the optimum latency and low latency processing for a given amount of distortion MX presets use an advanced peak limiting structure that uses additional in...

Page 191: ...Below 150 Hz the sum of the gains of the sideband pairs is 1 0 The conventional DSB case is a limiting case of this where the gains of the upper and lower sidebands are both 0 5 and sum to 1 This sum...

Page 192: ...he stereo pilot tone and with subcarriers and because it causes inharmonic aliasing distortion particularly between the stereo main and subchannels Protecting the pilot tone and subcarrier regions is...

Page 193: ...the loudness bene fits of the 8600 s processing the 8600 gets competitively loud without composite clipping However it is also possible to reduce the drive level to the 8600 s left right domain overs...

Page 194: ...Each path contains a structurally identical but independently adjustable equalizer and multiband compressor Each preset has an FM HD CONTROL COUPLING control that determines if audio controls affectin...

Page 195: ...ntry requires constraining BS 1770 Integrated Loudness to a specified threshold See step 10 on page 2 32 Because it only offers processing for analog radio model 8600FM does not include a BS 1770 Safe...

Page 196: ...tion for a given amount of dynamics processing We believe that most 8600 users will never need to go beyond the Basic level of control The combinations of subjective setup control settings produced by...

Page 197: ...this level you can customize or modify any subjective setup control setting to create a sound exactly to your taste You can then save the settings in a User Preset and recall it whenever you wish Comp...

Page 198: ...using Basic Intermediate or Advanced Modify you can save it as a user preset The 8600 can store an indefinite number of user presets limited only by available memory The 8600 preserves any edited uns...

Page 199: ...n files onto your computer s hard drive on page 3 90 To Delete a User Preset A From the 8600 pop up main MENU display toggle the LOCATE button to se lect SYSTEM SETUP and then press the ENTER button I...

Page 200: ...and back end clippers are common to both Two Band and Five Band processing and therefore stay the same when the 8600 switches between two band and five band operation However different controls appear...

Page 201: ...COUNTRY UL 7 0 CRISP CRISP 9 5 CRISP LOWBASS MX CRISP LOWBASS MX 10 0 CRISP MIDBASS MX CRISP MIDBASS MX 10 0 DANCE ENERGY DANCE ENERGY 9 0 EDGE EDGE 10 0 EDGE MX EDGE MX 9 0 FOLK TRADITIONAL ROCK SOFT...

Page 202: ...s to help you get on the air quickly without having to understand anything about adjust ing the 8600 s sound You can edit any of these presets with the LESS MORE control to optimize the trade off betw...

Page 203: ...e Orban s 8200 you can make changes in EQ and stereo enhancement without losing the ability to use LESS MORE settings Of course LESS MORE is still available for the unedited preset if you want to go b...

Page 204: ...ble in live recording venues The Five Band preset defeats the AGC using only the multiband compressor for gain reduction It also defeats phase rotation to ensure the most transparent Five Band sound a...

Page 205: ...oud and has a bright high frequency texture It was designed for 50 s preemphasis and many user will find it to be too distorted when used at 75 s As LESS MORE is turned down this preset get quieter ye...

Page 206: ...d broadly around 60 Hz by as much as 6 dB which provides bass thump for material whose bass was originally weak Because GOLD HEAVY BASS can amplify bass by a large amount it can also amplify rumble an...

Page 207: ...clean mellow high end to prevent stridency on saxes and other horns It preserves much of the qualities of the original recordings doing light re equalization The preset produces very low listening fat...

Page 208: ...that it is in this preset This is a sound texture that some people have requested LOUD WIDE provides a large amount of stereo enhancement Wide refers to the stereo enhancer setting which is more extre...

Page 209: ...e for general rock and contemporary programming All of these presets have distortion control implemented at their nominal levels of LESS MORE to ensure clean speech At high LESS MORE levels the distor...

Page 210: ...appropriate for light R B formats Equalizer Controls Table 3 2 on page 3 31 summarizes the equalization controls available for the Five Band structure These EQ controls are available in Basic Modify I...

Page 211: ...that is more audible on smaller radios but which can sound boomier on Equalizer Controls Group Basic Full Modify Name Advanced Name Range Bass Shelf BASS FREQ Bass Frequency 80 85 90 95 100 105 110 1...

Page 212: ...B worst case This provides warm smooth analog sounding equalization Low Frequency determines the center frequency of the equalization in Hertz Range is 20 500 Hz Low Gain determines the amount of peak...

Page 213: ...d Drive control up the MID GAIN control will have progressive ly less audible effect The compressor for the midrange bands will tend to reduce the effect of the Mid frequency boost in an attempt to ke...

Page 214: ...o it resets the gain of the lowest frequency band so that the gains of the two bottom bands are equal and the re sponse in this frequency range is flat The result is natural sounding bass on male voic...

Page 215: ...hains regardless of the setting of the FM HD CONTROL COUPLING control In most cases we recommend that the phase rotator be left active How ever because it can slightly reduce the clarity and definitio...

Page 216: ...the amount of multipath distortion that the stereo enhancement can add However if the original program material exceeds this limit with no enhancement the enhancer will not reduce it Diffusion applies...

Page 217: ...ction in the multiband compressor The total system gain reduction determines how much the loudness of quiet passages will be increased and therefore how consistent overall loudness will be It is deter...

Page 218: ...ne tune the compression and clipping with the Five Band struc ture s controls AGC Gate Thresh Threshold control determines the lowest input level that will be recognized as program by OPTIMOD FM lower...

Page 219: ...ance that you had previously with V1 x software Advanced AGC Controls The following AGC controls are found only in the Advanced Modify screen AGC Max Delta GR determines the maximum gain difference pe...

Page 220: ...pression ratio is the ratio between the change in input level and the resulting change in output lev el both measured in units of dB Previous Orban AGCs had compression ratios very close to 1 which pr...

Page 221: ...th control you want the 8600 to perform Bass Delta Threshold works the same as MASTER DELTA THRESHOLD but applies to the bass band You will usually set it the same as MASTER DELTA THRESHOLD AGC Crosso...

Page 222: ...tures except as noted in the control descriptions on the following pages In the Five Band structure the peak limiter is located after bands 1 and 2 are summed In the Two Band structure the peak limite...

Page 223: ...reo subchannel area when it clips material in the 0 to 15 kHz area The receiver will see this as stereo material and will de modulate it as if it were part of the stereo subchannel Accordingly har mon...

Page 224: ...250 Hz from 19 kHz and the spectrum analyzer will not resolve this when looking at the entire stereo baseband To see the filter s effect zoom the spectrum analyzer in to ex amine only the area immedia...

Page 225: ...two independent places in the Optimod The MULTIPLEX POWER THRESHOLD control is a system setup control while the MULTIPLEX POWER OFFSET is part of the on air preset Depending on the preset the MULTIPLE...

Page 226: ...LIP MODE is set to HARD See Lookahead on page 3 70 for more about the speech music detector If the bass clipper is set to LLHARD the speech music detector will reset the clipper threshold to the setti...

Page 227: ...other three bands so that bass transients do not smash against the back end clipping system causing overt intermodulation distortion be tween the bass and higher frequency program material Some 8600 u...

Page 228: ...the wisest thing to do is to recall a fac tory multiband preset and then to adjust the LESS MORE control to several settings throughout its range At each setting of the LESS MORE control examine the s...

Page 229: ...ansition starts 6 dB below BASSCLIPTHRESH set ting and occurs gradually The factory default setting is 7 6 See Figure 3 3 The MED and SOFT bass clipper characteristics use sophisticated look ahead alg...

Page 230: ...distortion soft IM distortion and or excessive density that can cause fatigue If you intend to make adjustments at the intermediate or advanced levels it is wise to familiarize yourself with these art...

Page 231: ...he BASS LIMITING control allows you to limit the amount of potential bass reduction at the expense of a pos sible increase in IM distortion Distortion Control This control determines the amount of aud...

Page 232: ...miting system similar to the one used in the Five Band structure The Two Band structure can be used with the MX style peak limiter to achieve highest performance or with an 8500 style peak limiter to...

Page 233: ...or is used very lightly with a fast release time as a peak limiter The AGC does almost all of the compression During the evening hours when the audience is more likely to listen critically a clas sica...

Page 234: ...evel going into the two band compressor and there fore controls the density of output audio by determining the amount of gain reduc tion in the two band compressor The resulting sound texture can be o...

Page 235: ...at high levels of gain reduction Therefore the primary danger of using large amounts of gain reduction is that the level of quiet passages in input material with wide dy namic range may eventually be...

Page 236: ...ple 2B Bass Coupling control is used to set the balance between bass and the rest of the frequency spectrum The two band compressor processes audio in a master band for all audio above ap proximately...

Page 237: ...tion but will create more transient impact on percussion because transients will hit the clippers harder instead of being controlled inaudibly by the lookahead compressor This control does not affect...

Page 238: ...enhancer a slow gain riding two band AGC an equalization section a five band compressor a dynamic single ended noise reduction system an output mixer for the five bands and a complex peak limiting sy...

Page 239: ...following provides the information you need to adjust the Five Band structure controls to suit your format taste and competitive situation The Five Band Structure s Full Setup Controls The tables belo...

Page 240: ...h Off 44 15 dB Clipping MB Clipping 4 0 5 0 dB Speech Thr 4 0 5 0 dB Down Expander Down Expand Off 18 0 12 0 dB B5 Down Expander B5 Down Expand Off 18 0 12 0 dB Band 2 1 Coupling see Band Mix screen 0...

Page 241: ...for mats these settings ensure that your sound doesn t lose its highs and lows Because it creates a more consistent frequency balance between different pieces of source material than does the Two Band...

Page 242: ...in reduction and where the AGC is operated slowly for gentle gain riding only These slower sounds are less consistent than those produced by the FAST setting Using SLOW preserves more of the source s...

Page 243: ...ly maintaining the automatic equalization curve it generates for a given piece of program material Note If the MB GATE THRESH Gate Threshold control is turned OFF the DJ BASS control in the Equalizati...

Page 244: ...n meters Ordinarily the gating on the AGC and multiband limiter will prevent objectionable build up of noise and you will want to use the single ended noise reduction only on unusually noisy program m...

Page 245: ...the output of the BAND 4 5 CPL control determines the gain reduction in band 5 The BAND 4 5 CPL control receives the independent left and right band 4 gain control signals this feed is unaffected by...

Page 246: ...esets The mute control for a given band affects both the FM and HD processing because it mutes the input of compres sor in that band This prevents the muted compressor s sidechain from producing a gai...

Page 247: ...in bands 3 4 and 5 automatically track the setting of the ATTACK time controls to minimize overshoot for any attack time setting Only the five band MX presets have Band 5 ATTACK controls for the FM a...

Page 248: ...artifact This control does not affect the HD processing chain Max Dist Ctrl Speech Max Dist Ctrl available in 8500 style presets only limit the maximum amount of final clipper drive reduction in dB th...

Page 249: ...ually get best audible results when you set these controls in the range of 70 to 100 Below 70 you will probably hear pumping because the compressor function is trying to create some of the gain re duc...

Page 250: ...ilable and bass clipping will stay HARD Speech always sounds cleaner with MEDIUM bass clipping and the in creased bass punch supplied by HARD is irrelevant to speech This control does not affect the H...

Page 251: ...nd provided by the digital channel while giving you the flexibility to process the analog channel as you wish The stereo enhancer phase rotator and 30 Hz highpass filter are com mon to the two process...

Page 252: ...controlling the analog peak level following the playback device s reconstruction filter to an accuracy of bet ter than 0 5 dB For typical program material accuracy is 0 2 dB Thanks to true peak contr...

Page 253: ...gment from being re peated or dropped due to different time delays between presets This criterion is also relevant to FM analog transmissions without an accompanying HD channel and therefore applies t...

Page 254: ...Delay In Out determines if the composite output receives audio de layed with respect to the digital radio output This control applies to both composite outputs you cannot delay one output without dela...

Page 255: ...correctly You can adjust the diversity delay time via the 8600 s API See page 2 54 St Mono HD Output Stereo Mono Mode determines if the digital channel output will be fed by the normal stereo output o...

Page 256: ...o drive the digital transmitter How ever you can use any output ANALOG L R AES1 and AES2 The digital outputs have the following controls located in the INPUT OUTPUT screen Out Level Digital Output 1 a...

Page 257: ...the sample rate appearing at the digital channel output is synced to the 8600 s internal clock to an AES3 signal appearing at the 8600 s digital input or to an AES11 signal appearing at the 8600 s sy...

Page 258: ...affecting the HD equalizer and HD multiband limiter will track their counterparts in the FM analog processing chain or if the HD and FM controls can be adjusted separately Each preset contains its ow...

Page 259: ...tifacts at the high frequencies the familiar watery sound When placed after the look ahead limiter the shelving EQ can reduce the effects of codec overshoot The parametric HF shelving equalizer can on...

Page 260: ...control to OFF and control of high frequency artifacts that low bitrate codecs in troduce Starting with V2 0 software Band 5 in the HD processing chain has its own gain control sidechain that is indep...

Page 261: ...hich is 11 92615 dB with reference to a sinewave at 100 modulation The meter is calibrated with reference to the 8600 s 100 peak modulation level This calibration is only correct if the transmitter an...

Page 262: ...tion we conclude that our subcarrier at 4 injection will add 0 10694 dB to the multiplex power Another calculation not shown indicates that 10 injection will add 0 62889 dB to the MPX power Multiplex...

Page 263: ...n the MULTIPLEX POWER OFFSET control on page 3 44 In version 1 2 and higher software the MPX offset is still applied before the peak limiters Turning it up for example from 12 to 9 dB increases both t...

Page 264: ...econds Other wise it might have to dramatically reduce the level of following as yet unknown program material in order to ensure that the MPX power limit is not exceeded over the 60 second measurement...

Page 265: ...e harmonic distortion for this purpose As explained above the bass clipper has three settings SOFT MEDIUM AND HARD that determine the amount of distortion the clipper makes when its clips bands 1 and...

Page 266: ...l be forced to produce additional gain reduction Another important control that affects bass is the BAND 1 OUTPUT MIX control Be cause this is located after the dynamics processing the dynamics proces...

Page 267: ...and 8600FM PC Remote with an 8600FM 8600 PC Remote control software allows you to access any front panel 8600 control The software also gives you the ability to backup user presets system files and a...

Page 268: ...ion Refer to Security and Passcode Programming on page 2 44 Otherwise enter a password to allow PC Remote to connect to your 8600 without requiring a password when the connection is initiated E If you...

Page 269: ...emote are encrypted and all transient files that PC Remote writes to your computer s hard drive are also en crypted When this download is finished the main meters will appear A wheel mouse is the quic...

Page 270: ...the File Name field B Click in the field and edit it C Click SAVE to save the preset to the 8600 as a User Preset If you have made edits to a previously existing user preset you can select SAVE PRESE...

Page 271: ...example to Backup1 8600 PC Remote will create a new backup folder the next time you do a backup leaving your renamed backup folder untouched Later you will be able to restore from any folder the Rest...

Page 272: ...meters that the User Preset inherited from its source Factory Preset The main exception is a User Pre set that originally created in an 8600 was then loaded into and modified by an 8600FM and was fina...

Page 273: ...et between 8600s A Navigate to the directory containing the desired User Preset from within the RESTORE FROM PC dialog box B Click the RESTORE button This User Preset will be downloaded to the 8600 to...

Page 274: ...choose not to close the ppp con nection the END PC REMOTE button will remain displayed on the 8600 s front panel If you then select that button the ppp connection will close This behavior ensures that...

Page 275: ...nstallations If you install a new version of the Optimod 8600 PC Remote software on your PC any Alias folders and backup subfolders created in an earlier software version still remain in their origina...

Page 276: ...oftware you wish to use so that the registry entries can be correctly updated You can do this two different ways Rename the Alias preferred Start the Optimod 8600 PC Remote executable you wish to use...

Page 277: ...annel peak limiter in Optimod FM 8500 the new peak limiter typically provides 2 5 to 3 dB more power at high frequencies which minimizes audible HF loss caused by preemphasis limiting Drums and percus...

Page 278: ...3 6 U2 Within You Without You Measurements The improved performance of the MX peak limiter can be verified by objective measurements with real world program material To measure the improvements in hig...

Page 279: ...nge frequencies and below A higher reading in a given frequency band indicates that that band has more power in the 8600 output than in the 8500 output HF Power Handling Figure 3 5 on page 3 97 shows...

Page 280: ...668 kHz caused by sustained electric guitar riding on top of bass Figure 3 7 on page 3 99 shows a piece of material that has been used by others to demonstrate distortion control This material consis...

Page 281: ...sented in Figure 3 5 Figure 3 8 on page 3 100 shows an example of program material with much more energy above 6 kHz than in the midrange making difference frequency intermodu lation in the midrange e...

Page 282: ...f broadcast audio processors has often suffered from objectively unverifiable hyperbole Meanwhile traditional measurements using static test sig nals like single tone harmonic distortion and multi ton...

Page 283: ...urements have verified that the 8600 s new limiter technology has significantly im proved high frequency power handling capability distortion control and transient punch compared to Orban s previous...

Page 284: ......

Page 285: ...Section 5 will help you determine if the problem is with OPTIMOD FM or is somewhere else in the station s equipment 3 Periodically check for corrosion Particularly in humid or salt spray environments...

Page 286: ...cable from the base board at JP600 C Remove the two 40 conductor ribbon cables from the DSP board at J602 and J603 D Remove the power cable at J601 E Remove the three Phillips screws holding the rear...

Page 287: ...river chips without further disassembly If you need to remove the headphone amplifier circuit board to access compo nents other than the headphone amplifier driver chip A Make sure that AC power is di...

Page 288: ...step 1 above B Using a 3 16 inch hex nut driver remove the six hex nuts holding the RS 232 connectors to the chassis C Unplug the RS 232 interface assembly from the base board 10 Removing the CPU boa...

Page 289: ...C line cord is disconnected from the power supply B Unplug the three ribbon cables from the power supply C Unplug the two cable assemblies from the power transformer by squeezing the locking tab and r...

Page 290: ...Referring to step 11 follow the instructions in reverse To avoid bent pins or other damage verify that all connector pins are aligned before applying force Verify that pin one of the ribbon cables red...

Page 291: ...now be returned to service Field Audit of Performance Required Equipment Ultra low distortion sine wave oscillator THD analyzer audio voltmeter With verified residual distortion below 0 01 Audio Preci...

Page 292: ...t frequencies However in an emergency situation and is there any other kind it is usually possible to detect many of the more severe faults that could develop in the 8600 circuitry even in high RF env...

Page 293: ...asis either 50 s or 75 s 2 Test the power supply A If the power supply is entirely dead and the fuse is not blown verify that the primary winding of the power transformer is intact by measuring the re...

Page 294: ...AC Ripple mV p p 15VDC 15 0 5 20 15VDC 15 0 5 20 5VDC 5 0 25 20 5VDC 5 0 25 20 Digital 5VDC 5 0 25 Obscured by noise Table 4 3 Typical Power Supply Voltages and AC Ripple 3 Check Analog Output Trim L...

Page 295: ...hin 0 1 dB of the reference level This procedure tests the analog input circuitry the A D converter the DSP the DAC and the analog output circuitry H Repeat steps C through G for the right channel 5 C...

Page 296: ...ject the Digital Input with a sample rate of 32 kHz 44 1 kHz 48 kHz 88 2 kHz and 96 kHz Use 24 bit words G Listen to the analog outputs of the 8600 and verify that the output sounds clean and glitch f...

Page 297: ...at several frequencies in units of dB below 100 modulation This is the main channel to subchannel crosstalk It should not exceed 70 dB 50 15 000 Hz G Set the MOD TYPE to L R Measure the L R level on t...

Page 298: ...tone frequency is 19 000 Hz 1 Hz 9 Optional tests A You can test each GPI input for functionality in the obvious way by pro gramming a function for it and then verifying that the function executes wh...

Page 299: ...The AES3 inputs and output are transformer coupled and have very good resistance to RFI If you have RFI problems and are using analog connections on either the in put or output using digital connectio...

Page 300: ...ies Many commercial monitors have this problem but most of these problem units can be modified to indicate peak levels accurately Orban uses the Belar Wizard series of DSP based monitors internally fo...

Page 301: ...3 62 In the Multiband structure dynamic single ended noise reduction see MB DOWN EXPANDER on page 3 64 can be used to reduce the level of the noise below the level at which it appears at the input If...

Page 302: ...s should experience no interference Interference from the stereo into a subcarrier is best diagnosed with a spectrum an alyzer First examine the spectrum of the 8600 s composite output to verify that...

Page 303: ...siderations Dull Sound If you are using the Two Band structure dull sounding source material will sound dull on the air The Multi Band structure will automatically re equalize such dull sounding progr...

Page 304: ...vely use an Ultra Low Latency UL preset See Ultra Low Latency Five Band on page 3 20 Note that the low delay monitor output is not usable if the Multipath Mitiga tor Phase Corrector is active because...

Page 305: ...ou can correct this with the HD POLARITY or FM POLARITY controls See page 3 75 HD Frequency Response is Limited to 15 kHz The HD BANDWIDTH control might be set to 15 kHz See page 3 75 Even if the HD B...

Page 306: ...n loudness brightness distortion and build up of program densi ty If your radio station does not seem to be competitive with others in your market the cause is usually source material including excess...

Page 307: ...n that connection Double check to ensure that you have set Windows parameters as described in Appendix Setting Up Serial Communica tions on page 2 75 If your Direct Connect does not work A Check to ma...

Page 308: ...e default gateway on remote network box is not selected the gateway will not point to the 8600 unit when you establish a direct or modem connection OS Specific Troubleshooting Advice Troubleshooting W...

Page 309: ...the 8600 Troubleshooting Windows XP Modem Connect If you are having trouble establishing a connection check your New Connection s properties to make sure they are set up correctly A Click Start Progr...

Page 310: ...ct in an earlier stage However if an opamp s input is more positive than its in put yet the output of the IC is sitting at 14 volts the IC is almost certainly bad The same holds true if the above pola...

Page 311: ...the factory which are usually quite nominal Shipping Instructions Use the original packing material if it is available If it is not use a sturdy double walled carton no smaller than 9 H x 15 5 D x 22...

Page 312: ......

Page 313: ...nfigured for flat or pre emphasized output Sample Rate 64 kHz to 512 kHz depending on processing being performed Noise Output noise floor will depend upon how much gain the processor is set for Limit...

Page 314: ...28x oversampled delta sigma converter with linear phase anti aliasing filter Filtering RFI filtered with high pass filter at 0 15 Hz Analog Audio Output Configuration Stereo The analog output can emit...

Page 315: ...e AES3 SYNC input or the AES3 digital input at 32 kHz 44 1 kHz 48 kHz 88 2 kHz and 96 kHz as configured in software Word Length Software selected for 24 20 18 16 or 14 bit resolution First order highp...

Page 316: ...ination not required or recommended Maximum Output Level 12 0 dBu 8 72 Vp p Minimum Output Level 12 dBu 0 55 Vp p for 0 5 dB adjustment resolution Pilot Level Adjustable from 6 0 to 12 0 software cont...

Page 317: ...ssed 19 kHz Pilot Reference SCA2 input jack can be jumpered to provide a 19 kHz pilot refer ence output or to serve as a second SCA input The phase of the reference signal can be set to 0 90 180 or 27...

Page 318: ...cted with a rear panel switch Safety Standards ETL listed to UL standards CE marked Physical and Environmental Dimensions W x H x D 19 x 5 25 x 15 5 48 3 cm x 8 9 cm x 39 4 cm Depth shown indicates ra...

Page 319: ...The control circuit is based on an AMD Elan SC520 microprocessor which is a 586 class processor running an Orban executable program over a third party real time operating system A flash memory emulate...

Page 320: ...esets via contact closure An Ethernet port and three RS 232 seri al connectors allow you to connect a modem or computer to the 8600 Front panel pushbutton switches select between various operational m...

Page 321: ...er replaceable Component Level Description The left channel balanced audio input signal is applied to the filter load net work made up of L100 103 and associated resistors and capacitors There are sol...

Page 322: ...erter SRC The digital to analog D A converter converts the digital audio words generated by the DSP to analog audio High speed D A convert ers do the same for the composite outputs each of whose outpu...

Page 323: ...utput of IC204 is applied to IC207 a balanced output line driver This driver emulates a floating trans former its differential output level is independent of whether one side of its output is floating...

Page 324: ...0 The composite line driver amplifiers are socketed for easy field replacement all other components are surface mounted and are not field replaceable DSP Circuit The DSP circuit consists of nine Frees...

Page 325: ...etermine if your unit has the bug Refer to Test Modes on page 3 84 for more infor mation on the tone generator Set the test mode to Tone and the tone generator s Tone Mod Type to Left Observe whether...

Page 326: ...ow ESR capacitors and must be replaced with equivalent types to ensure proper operation of the switching supply The output of the power supply is monitored by the power indicator LED circuit which cau...

Page 327: ...cialized by iBiquity Corporation where the digital carriers use a form of COFDM modulation and share the frequency allo cation of the analog carriers Also known by its trademarked name of HD Radio IC...

Page 328: ...ion of a part in this list does not imply that the part is field replaceable See the following assembly drawings for locations of components Obtaining Spare Parts Special or subtle characteristics of...

Page 329: ...15 16 17 26 60 61 63 65 67 68 69 70 71 73 74 75 80 81 102 103 104 20131 140 01 RESISTOR 14 0K 0805 R58 64 20131 301 01 RESISTOR 30 1K 0805 R72 20132 100 01 RESISTOR 100K 0805 R1 2 3 7 8 9 10 11 12 13...

Page 330: ...CONNECTOR SOCKET STRIP 14 PIN J2 27421 004 01 CONNECTOR HEADER DOUBLE ROW 4P 2 X 2 J3B J6 27421 006 01 CONNECTOR HEADER DOUBLE ROW 6P 2 X 3 J5 27421 010 01 CONNECTOR HEADER DOUBLE ROW 23 2 X 5 J12 27...

Page 331: ...72 01 RESISTOR NETWORK 8R ISO 5 RN5 21139 000 01 CAPACITOR X7R 0 1uF 10 0805 C8 C9 C20 C21 C177 C179 C182 21141 000 01 CAPACITOR NPO 1000pF 1 0805 C10 21142 000 01 CAPACITOR NPO 100pF 1 0805 C2 21146...

Page 332: ...RAWING 32201 000 02 PCB CPU BOARD 8600 44094 100 01 FIRMWARE 8600 U6 20LV8D 62200 000 02 SCHEMATIC CPU BOARD 8600 RS 232 Board RS232 BOARD PART DESCRIPTION COMPONENT IDENTIFIER 20128 000 01 RESISTOR 0...

Page 333: ...10 C2 C3 C8 C9 21307 522 01 CAPACITOR RADIAL LEADS 2 2uF 35V 10 C7 C16 22004 056 01 ZENER DIODE 1W 5 5 6V 1N CR19 CR20 22015 000 01 DIODE SHOTTKY RECTIFIER SBL CR21 CR22 CR23 22083 022 01 DIODE VOLTA...

Page 334: ...Input Output I O Board INPUT OUTPUT BOARD PART DESCRIPTION COMPONENT IDENTIFIER 20039 750 01 RESISTOR METALFILM 1 8W 1 75 0 R411 420 20040 604 01 RESISTOR METALFILM 1 8W 1 604 R106 119 412 421 20041 1...

Page 335: ...207 208 211 212 214 215 218 305 20131 113 01 RESISTOR 1 8W 1 11 3K 0805 R206 219 233 234 20131 143 01 RESISTOR 1 8W 1 14 3K 0805 R221 224 227 230 20131 147 01 RESISTOR 1 8W 1 14 7K 0805 R114 129 2013...

Page 336: ...433 01 CAPACITOR 33uf 0805 10 C503 C511 C525 C530 21156 020 01 CAPACITOR 12pf 1206 C223 229 334 402 21263 710 01 CAPACITOR RADIAL LEADS 100uF 25V 10 C304 305 308 21318 510 01 CAPACITOR TANTALUM 1 0uF...

Page 337: ...IC101 103 27174 044 01 IC SOCKET 44 PIN LOW PROFILE IC700 27401 000 01 CONNECTOR JUMPER RECPT BLACK J2 J3 J400 27406 014 01 CONNECTOR SOCKET STRIP 14 PIN JP600 27408 003 01 CONNECTOR 3P SOCKET STRIP L...

Page 338: ...R816 20129 150 01 RESISTOR 1 8W 1 150 0805 R712 29552 000 01 INDUCTOR POWER 1 5uH 9A SMD L801 L802 20130 499 01 RESISTOR R0805 4 99K 1 1 8W R210 R705 R813 R814 R821 29537 102 01 INDUCTOR 0805 FERRITE...

Page 339: ...0V0805 C821 C822 C823 C824 C825 C826 21325 622 01 CAPACITOR 22UF 10 TANTALUM 3528 C801 C802 C803 C804 21185 220 01 CAPACITOR 22uF 6 3V X5R 20 080 C815 C816 21325 610 01 CAPACITOR 10UF 10 TANTALUM 3528...

Page 340: ...722 C723 C724 C725 C726 C827 C828 C907 C908 C909 C917 C918 C919 C927 C928 C929 C937 C938 C939 Interface Board INTERFACE BOARD PART DESCRIPTION COMPONENT IDENTIFIER 20128 000 01 RESISTOR 0 0805 R102 R1...

Page 341: ...000 01 OSCILLATOR 33MHZ SG636PCE 4P SMD Y100 28092 000 01 CRYSTAL 4 000MHZ SMD Y200 32256 000 02 PCB INTERFACE 8600 DEP DE 44105 100 01 FIRMWARE PIC DISP INT 8600 IC202 Headphone Board HEADPHONE BOAR...

Page 342: ...00 01 ENCODER ROTARY NOBLE 8600 EN1 26128 000 01 SWITCH JOYMOUSE PUSH 8600 A1 26304 001 01 SWITCH PUSH MOM SPST SW1 SW2 27421 016 01 CONNECTOR HEADER STR 23 2 X 8 JP1 32101 000 03 CIRCUIT BOARD ENCODE...

Page 343: ...HEADER UNSHRD J101 J201 27426 003 01 CONNECTOR HEADER 3PIN SINGLE ROW J105 J106 J202 J203 21325 610 01 CAPACITOR 10UF 10 TANTALUM 3528 C222 C223 C224 C225 C226 C227 C228 C229 24772 000 01 IC PIC18LF4...

Page 344: ...R106 R107 R108 R109 R110 R210 R211 R212 R213 R214 R215 R216 R217 R218 R219 R220 R221 20130 100 01 RESISTOR 1 00K 1 0805 R102 R222 20129 150 01 RESISTOR 1 8W 1 150 OHM 0805 R113 R114 20128 499 01 RESI...

Page 345: ...103 C104 C113 C114 C115 C116 C117 C118 C119 C120 C121 C122 C230 C231 C232 C233 C234 C235 C236 C237 C238 C239 C240 C241 C242 C243 C244 C245 C246 C247 C248 C249 C250 C251 C252 C253 C254 C255 C256 C257 C...

Page 346: ...your unit are probably due to product improvements or production changes since the publication of this manual If you intend to replace parts please read page 6 16 Please note that because sur face mo...

Page 347: ...matic 4 of 6 6 57 Control and Miscellaneous Schematic 5 of 6 6 58 Interface and Power Distribution Schematic 6 of 6 6 59 DSP Board DSP Chips Local 3 3V regulator Contains Parts Locator Drawing 6 60 In...

Page 348: ...for pre MPX 8600s Parts Locator Drawing 6 78 For 8600MPX Contains Parts Locator Drawing 6 79 Interconnects Schematic 1 of 3 6 80 Digital Composite and Sync Schematic 2 of 3 6 81 Digital SCA Inputs an...

Page 349: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 37...

Page 350: ...6 38 TECHNICAL DATA ORBAN MODEL 8600...

Page 351: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 39...

Page 352: ...6 40 TECHNICAL DATA ORBAN MODEL 8600...

Page 353: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 41...

Page 354: ...6 42 TECHNICAL DATA ORBAN MODEL 8600...

Page 355: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 43...

Page 356: ...6 44 TECHNICAL DATA ORBAN MODEL 8600...

Page 357: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 45...

Page 358: ...6 46 TECHNICAL DATA ORBAN MODEL 8600...

Page 359: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 47...

Page 360: ...6 48 TECHNICAL DATA ORBAN MODEL 8600...

Page 361: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 49...

Page 362: ...6 50 TECHNICAL DATA ORBAN MODEL 8600...

Page 363: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 51 POWER SUPP LY PARTS LOC ATOR...

Page 364: ...D OUT 1 5 4 2 3 U5 LM2576T 2 1 Schottky 40v 3A CR3 1 2 100uH 3A L1 1 2 470 F 16v HFS C5 1 2 470 F 16v HFS C4 1 2 7 7uH 4A L2 2 1 Transorb 33V CR9 2 1 Transorb 22V CR13 2 1 Transorb 22V CR14 2 1 Transo...

Page 365: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 53...

Page 366: ...6 54 TECHNICAL DATA ORBAN MODEL 8600...

Page 367: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 55...

Page 368: ...6 56 TECHNICAL DATA ORBAN MODEL 8600...

Page 369: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 57...

Page 370: ...6 58 TECHNICAL DATA ORBAN MODEL 8600...

Page 371: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 59...

Page 372: ...6 60 TECHNICAL DATA ORBAN MODEL 8600...

Page 373: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 61...

Page 374: ...6 62 TECHNICAL DATA ORBAN MODEL 8600...

Page 375: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 63...

Page 376: ...6 64 TECHNICAL DATA ORBAN MODEL 8600...

Page 377: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 65...

Page 378: ...6 66 TECHNICAL DATA ORBAN MODEL 8600...

Page 379: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 67...

Page 380: ...6 68 TECHNICAL DATA ORBAN MODEL 8600...

Page 381: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 69...

Page 382: ...6 70 TECHNICAL DATA ORBAN MODEL 8600...

Page 383: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 71...

Page 384: ...6 72 TECHNICAL DATA ORBAN MODEL 8600...

Page 385: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 73...

Page 386: ...6 74 TECHNICAL DATA ORBAN MODEL 8600...

Page 387: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 75...

Page 388: ...6 76 TECHNICAL DATA ORBAN MODEL 8600...

Page 389: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 77...

Page 390: ...6 78 TECHNICAL DATA ORBAN MODEL 8600 DIGITAL MPX RETROFIT PARTS LOCATOR DIAGRAM FOR SCHEMATIC 62415 000 xx 1...

Page 391: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 79 DIGITAL MPX PARTS LOCATOR DIAGRAM FOR SCHEMATIC 62415 000 xx 1...

Page 392: ...6 80 TECHNICAL DATA ORBAN MODEL 8600...

Page 393: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 81...

Page 394: ...6 82 TECHNICAL DATA ORBAN MODEL 8600...

Page 395: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 83...

Page 396: ...6 84 TECHNICAL DATA ORBAN MODEL 8600...

Page 397: ...OPTIMOD FM DIGITAL TECHNICAL DATA 6 85...

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