Orban OPTIMOD-FM 8600

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Operating Manual

OPTIMOD-FM

8600

Digital Audio Processor

Version 4.1 Software

Main Page

Default Chapter2
- Model Number2
- Important Safety Instructions3
- Table of Contents8
- Index17
Section29
- Introduction29
About this Manual29
The Optimod-Fm 8600 Digital Audio Processor29
- About Thi Manual29
- Absolute Control of Peak Modulation30
- User-Friendly Interface30
- Flexible Configuration32
- Adaptability through Multiple Audio Processing Structures33
- Controllable34
- 8600MPX Features36
Presets in Optimod-Fm36
- Factory Presets36
- User Presets36
Input/Output Configuration37
- Digital AES3 Left/Right Input/Outputs37
- Analog Left/Right Input/Output38
- Stereo Baseband Composite Output38
  - Digital Composite Outputs38
- Subcarriers39
  - Digitized Subcarrier Inputs39
- Wordclock/10 Mhz Sync Reference Input39
- Remote Control Interface40
- Computer Interface40
Location of Optimod-Fm41
- Optimal Control of Peak Modulation Levels41
- Best Location for OPTIMOD-FM42
  - If the Transmitter Is Not Accessible42
  - If the Transmitter Is Accessible42
Studio-Transmitter Link44
- Transmission from Studio to Transmitter44
- Using the Orban 8100AST (or 8100A/ST) External AGC with the 860047
- STL and Exciter Overshoot48
Using Lossy Data Reduction in the Studio48
About Transmission Levels and Metering49
- Meters49
- Studio Line-Up Levels and Headroom49
- Transmission Levels50
- Figure 1-2: Absolute Peak Level, VU and PPM Indications50
Line-Up Facilities51
- Metering of Levels and Subjective Loudness51
- Monitoring on Loudspeakers and Headphones54
  - Low-Delay Monitoring56
- Eas Test57
- Pc Control and Security Passcode58
- Warranty, User Feedback58
Section 2 Installation61
- Installing the 860061
- Figure 2-2: Wiring the 25-Pin Remote Interface Connector64
- 8600 Rear Panel65
- Audio Input and Output Connections66
- Composite Output and Subcarrier Inputs69
- Grounding72
  - Power Ground72
  - Circuit Ground72
- 8600 Front Panel73
- External AGC Installation (Optional)75
  - If You Are Using an Orban 8200ST External AGC76
- Quick Setup78
- Analog and Digital I/O Setup87
- Using Clock-Based Automation102
- Security and Passcode Programming104
- Administering the 8600 through Its Serial Ports or Ethernet108
- Connecting Via Serial Port #2 Using a Terminal Program on a PC109
  - Administrative Operations Available Via Serial Port #2110
- Connecting to the 8600'S Ethernet Port or Serial Port #1 Via a Terminal Program on a PC117
Remote Control Interface Programming120
Tally Output Programming122
Networking and Remote Control123
Installing 8600 Pc Remote Control Software126
- Installing the Necessary Windows Services126
- Check Hardware Requirements127
- Running the Orban Installer Program127
- Setting up Ethernet, LAN, and VPN Connections128
- Conclusion129
Synchronizing Optimod to a Network Time Server129
- Updating Your 8600'S Software132
Appendix: Setting up Serial Communications135
- Preparing for Communication through a Null Modem Cable135
- Connecting Using Windows 2000 Direct Serial Connection135
- Connecting Using Windows XP Direct Serial Connection141
- Connecting Using Windows 7 Direct Serial Connection145
- Preparing for Communication through Modems155
- Connecting Using Windows 2000 Modem Connection155
- Connecting Using Windows XP Modem Connection160
Snmp Support166
- SNMP Network Setup166
- SNMP Mib File167
- SNMP Default Settings167
- SNMP Features167
Rds/Rbds Generator170
- Using System I/O170
- Table 2-1: System I/O RDS Controls and Defaults171
- Using Processing Presets172
- Using the Terminal Server173
- Using Telnet to Control the Terminal Server173
- Security175
- RDS Terminal Commands175
- Table 2-2: Preset/Terminal RDS Controls and Defaults177
- Alternative Frequency Channel Numbers178
- Program Type (PTY)179
- Sca/Subcarrier Phase Relationship179
- Table 2-3: Alternative Frequency Channel Numbers:179
- References180
- Figure 2-5: Pilot/Sca Phasing Scope Trace180
Section181
- Operation181
8600 Front Panel181
Introduction to Processing183
- Some Audio Processing Concepts183
- Distortion in Processing184
- Loudness and Distortion184
- OPTIMOD-FM-From Bach to Rock185
- Fundamental Requirements: High-Quality Source Material and Accurate Monitoring186
About the 8600'S Signal Processing Features187
- Dual-Mono Architecture187
- Signal Flow187
- Multipath Mitigator" Left/Right Phase Skew Correction188
- ITU-R 412 Compliance for Analog FM Broadcasts193
- Two-Band Purist Processing194
- Digital Radio Processing194
- BS.1770 Compliance for Digital Radio195
- Input/Output Delay195
Customizing the 8600'S Sound196
- Basic Modify196
- Intermediate Modify197
- Advanced Modify197
- Gain Reduction Metering198
- To Create or Save a User Preset198
- To Delete a User Preset199
About the Processing Structures199
Factory Programming Presets201
- Table 3-1: Factory Programming Presets202
Equalizer Controls210
- Table 3-2: Equalization Controlsct211
Stereo Enhancer Controls215
Agc Controls216
- Table 3-4: AGC Controlsa217
- Advanced AGC Controls219
Peak Limiter Controls222
- Peak Limiter Controls Common to 8500-Style and MX Presets222
- Figure 3-1: 0-100 Khz Baseband Spectrum (Loud-Hot Preset)223
- Table 3-6: 8500-Style Peak Limiter Controls226
- 8500-Style Peak Limiter Controls227
- Advanced 8500-Style Peak Limiter Controls229
- 8600 MX Technology Peak Limiter Controls229
- Table 3-7: MX Technology Peak Limiter Controls230
The Two-Band Structure232
- Setting up the Two-Band Structure for Classical Music232
- Customizing the Settings233
- The Two-Band Structure's Full Setup Controls234
- Advanced Two-Band Controls237
The Five-Band Structure238
- Putting the Five-Band Structure on the Air239
- Customizing the Settings239
- The Five-Band Structure's Full Setup Controls239
- Table 3-9: Multiband Controls240
- Table 3-10: MB Attack / Release Controls243
- Advanced Multiband and Band MIX Controls246
  - Table 3-11: MB Band MIX Controls247
  - To Override the Speech/Music Detector250
About the 8600' Shd / Digital Radio Processing251
- Delay Difference between HD and FM Outputs253
- HD I/O Setup Controls254
  - Input/Output > HD Digital Radio Screen254
  - Digital Output256
- Unique HD Audio Controls258
Itu-R Multiplex Power Controller260
- MPX Power Meter261
- Figure 3-4: Multiplex Power over 15 Minute Observation Interval with Multiplex Power Controller Active, Measured at the Optimod's Composite Output261
- Audio Processing and the Multiplex Power Threshold Control263
- About the Multiplex Power Controller's Time Constants263
Test Modes264
- Table 3-14: Test Modes264
Getting the Bass Sound You Want265
- Bass Punch in the MX Presets266
- Summary267
Using the 8600 Pc Remote Control Software267
- To Set up a New Connection268
- To Initiate Communication268
- To Modify a Control Setting269
- To Recall a Preset269
- To Save a User Preset You Have Created270
- To Back up User Presets, System Files, and Automation Files Onto Your Computer's Hard Drive270
  - Note to Users Familiar with Older Version of PC Remote271
- To Restore Archived Presets, System Files, and Automation Files272
  - To Share an Archived User Preset between 8600S273
- To Modify INPUT / OUTPUT and SYSTEM SETUP273
- To Modify AUTOMATION273
- To Group Multiple 8600S274
- Operation Using the Keyboard274
- To Quit the Program274
- About Aliases Created by Optimod 8600 PC Remote Software274
- Multiple Installations of Optimod 8600 PC Remote275
- White Paper: Measuring the Improvements in Optimod-FM 8600'S FM Peak Limiting Technology277
Section 4 Maintenance285
- Routine Maintenance285
- Subassembly Removal and Reinstallation285
- Field Audit of Performance291
- Table 4-1: Decoder Chart for Power Supervisor294
Section 5 Troubleshooting299
- Problems and Potential Solutions299
- Connection Issues between the 8600 and a PC, Modem, or Network306
- Troubleshooting Connections307
- You Cannot Access the Internet after Making a Direct or Modem Connection to the 8600308
- Os-Specific Troubleshooting Advice308
  - Troubleshooting Windows XP Direct Connect308
  - Troubleshooting Windows XP Modem Connect309
- Troubleshooting IC Opamps310
- Technical Support310
- Factory Service311
- Shipping Instructions311
Section 6 Technical Data313
- Specifications313
  - Performance313
  - Installation314
    - Digital Audio Input315
    - Digital Audio Outputs315
- Circuit Description318
- Abbreviations326
- Parts List328

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Orban OPTIMOD-FM 8600 Specifications

General

Architecture	DSP-based
Dynamic Range	>110 dB
Processing Resolution	24-bit
Power Supply	Internal
Frequency Response	±0.1 dB, 30 Hz to 15 kHz
THD+N	<0.01%
Input Channels	2
Output Channels	2
Input Types	Analog, Digital
Output Types	Analog, Digital
Analog Inputs	2 x XLR
Analog Outputs	2 (XLR)
Digital Inputs	AES/EBU
Digital Outputs	AES/EBU
Sampling Rate	48 kHz
Processing Delay	<1 ms
Latency	<1 ms
Presets	Yes
Remote Control	Ethernet
Power Requirements	100-240 VAC, 50/60 Hz