Crown 137769-3 General Firmware Features Input Level Meters, Input Dynamic Cut/Boost Meters

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DBC Network Bridge

4 Operation

4.8 General Firmware Features

Note: The following features are accessed via IQwic software unless otherwise stated. Refer to Figure 4.24, DBC Network Bridge Signal Flow Block Dia- gram for feature locations in the audio signal chain.

4.8.1 Input Level Meters

Audio level peak program meters are provided for each input. The meters sense the audio signal immediately after analog to digital conversion, and respond with 1.7 millisecond attack and 350 milli- second release. Meter range is from –60 to +20 dBu with 0.5 dB resolution. Calibration is in dBu when the input is in “line” mode and set at 0 dB.

4.8.2 Input Dynamic Cut/Boost Meters

Meters are provided for each Input A/B Processing Section to indicate the overall cut or boost being applied from all signal processing features that affect input gain, including Auto-Leveler, Input Compressor, and Auto-Mixing. Meter range is from –60 to +20 dBu with 0.5 dB resolution.

4.8.3 Output Level Meters

Audio level meters are provided for each output. The

4.8.5 Memory Backup

The DBC Network Bridge settings are stored in high-endurance flash memory whenever a parame- ter is changed. Changed settings are updated every few seconds.

4.8.6 Presets

The parameters for all functions in the DBC Network Bridge can be saved as presets and each can be given a unique 32-character name. A total of 32 user presets can be stored in the DBC Network Bridge’s flash memory. Presets can be recalled via the front-panel selector buttons, IQ for Windows preset selector controls, from within events, or by an external system controller via the Multi-Function Control Port.

•Preset Segue: When a preset is selected, the Preset Segue feature provides a smooth transition to the new preset. Preset Segue can be set to either a fixed time in seconds or a fixed rate in dB per sec- ond. Range for fixed time in seconds is 1 to 255 seconds. Range for fixed rate in dB per second is from 0.5 dB to 40 dB.

4.8.7 Real Time Clock

Power Supply

100 VAC - 240 VAC 50/60 Hz

System Control

Front

Display

DSP

Audio

Audio

Input

Output

meters sense the audio signal immediately after the audio output processing block, and respond with 1.7-millisecond attack and 350-millisecond release. Meter range is from –60 to +20 dBu with 0.5 dB resolution.

4.8.4Output Dynamic Cut/Boost Meters

Meters are provided for each output to indicate the overall cut or boost being applied from all signal processing features that affect output gain, includ- ing Ambient-Leveler and Output Limiter. Meter range is from –60 to +20 dBu with 0.5 dB resolu- tion.

The onboard Real Time Clock tracks day, date, hour, minute and second, and may be set to any date and time desired, or to match that of the computer run- ning IQ for Windows software. The clock is used as a time reference for the Events Scheduling feature. Internal capacitor storage allows the clock to run for up to 45 days without power being applied to the DBC Network Bridge.

4.8.8 Events

User presets can be scheduled for recall as an Event at a specific date and time, and also can be set to repeat. A total of 32 Events can be scheduled, and each Event can be given a unique 32-character name.

Control

 

 

 

Port

8

Digital DB25 inputs

CobraNet

 

 

8

Analog DB25 inputs

 

 

 

2

Auxiliary analog inputs

 

Figure 4.24 DBC Network Bridge Signal Flow Block Diagram

Operation Manual

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Contents Some models may be exported under the name Amcron DBC Network BridgeUse only with a cart, stand, tripod, bracket, or Important Safety InstructionsEMC Standards Safety StandardEuropean Representatives Name and Address Equipment Type Digital B-ChainAudio and Network Connections Please refer to Figures 1.1 Getting Started With the DBC Network BridgeDBC DB25F Digital AES/EBU Pinouts 3 TCP/IQ Addressing Rules IntroductionSelecting Settings Control Panel 4 TCP/IQ SetupInternal Properties Window 5 TCP/IQ Addressing Worksheet Example of AN IQ Addressing Worksheet2C. Close the software. Repeat as necessary 11 The Discovery Screen 14 The Unit Presets Window Table of Contents How to Use This Manual FeaturesWelcome 3CREEN #HANNELS#ANDA3UBWOOFERS Unpack and Install Your DBC Network Bridge SetupConnecting to AC Mains Speech Mic, speech DBm/dBV WiringAnalog, Digital and Auxiliary Inputs Dynamic mic Condenser mic Hot condenser MentUnbalanced Input Wiring Balanced Input WiringBalanced Monitor Output Wiring CobraNet Connections Unbalanced Monitor Output WiringControl Port Connections Operation Monitor Out Connector Back Panel Controls and Connectors IEC AC Power InletPrimary Network Connector Secondary Network ConnectorLCD Control Screen shows SceneOperation Example Operation ExamplesMenu Tree System Overview Presets and ScenesIQwic Overview PC RequirementsInput Level Meters Preset InformationMetering Output Level MetersFront Panel Control Lock Out LED Display ModeGeneral Tab Real Time ClockBasic Processing Functions Signal Path Tab, Cinema Surround FormSurround Per-Channel Signal Processing Booth Monitor Source SelectThreshold Input CompressorOn/Off Compression RatioChannel Select Input DelaySignal Path window Delay SettingsFrequency Response Graph Frequency, Gain and Q SettingsEQ Filters Add ButtonCombined Responses Show Magnitude/PhaseFrequency Select Field Frequency SliderMaster fader works like this All Outputs Volume Controls13 Signal Generator Window Signal GeneratorCobraNet Explanation 14 CobraNet Output Window CobraNet OutputDBC Outputs Meters CobraNet Bundle/Channel Selector Input Selector Buttons Level SliderMute Button Polarity ButtonStandard Cinema Preset Button Preset PresetsPreset Segue Preset Options NoticePreset Select Buttons Preset EditorPreset Name Preset Control Window18 Scenes Window ScenesNamed Scene EditorScene Controls20 Events Scheduler Window Events SchedulerPeriodic Events One Time EventsSchedule Output Dynamic Cut/Boost Meters General Firmware Features Input Level MetersMemory Backup Input Dynamic Cut/Boost MetersAdvanced Operation Advanced Operation Table of ContentsSystem Contact System NameSystem Description System LocationConductor CobraNet SetupStatus indicators IP AddressCobraNet Input Window CobraNet InputControl Port Window Control PortPin Pin State IndicatorControl Port Window Digital Inputs Edit ButtonsSet Objects Recall PresetAdd / Remove Buttons Object ListInclude Control Port Condition Logic Setup WindowCondition NameManual Output State Pin State IndicatorReflect Preset Control Port Window Digital Outputs SectionControl Port Window Analog Outputs Section Control Port Window Analog Inputs Section AINInput Path Input Level/Polarity/Mute same as Advanced Form Firmware FeaturesInput Delay Input Gate Auto Level Settings Output Path Same as Output DelayInput Selector Input Select SwitchInput Signal Fader, Muter, and Inverter Input Path19 Input Delay Window Hardware DelaysHysteresis Signal DelayDepth Static ThresholdIdle Gain Auto-LevelerTarget Level Max GainPriority Ducking AutomixerDepth of Cut Ambience WeightingAutomix Controls Priority24 Automix Matrix Window Automix MatrixAutomixing Group Controls Priority Mix EnableHighest Open Mic Priority Indicator EnableAutomix Group Adaptive GatingAmbient Level Meter Group Gate Threshold Ambient Offset27 Solo/Mute Window Solo/MuteOutput Processing Sections Output PathOutput EQ Filters Expansion Ratio Program Level Dependent ModeSense Delay Ambient LevelerFour parameters control this feature 32 Outputs Window Outputs ButtonOutput Section Technical DescriptionAudio Input Section DSP Processing SectionAdditional Error Checking TroubleshootingCondition Both LEDs flashing Advanced Signal Path Window with Preset-32 Icons Enabled Specifications Required AC Mains AC Line Connector 15A IEC AC power inletGlossary Appendix a TCP-IQ Network BasicsTCP/IQ Network Basics Component firmware upgrades via the networkMultiple Network Communication Via an IP Router 1Fast Ethernet 100Base-T Closer Look at CobraNetRepeater Networks Switched NetworksAudio Specs Bundles and Audio ChannelsService United States & Canada WarrantyWorldwide Except USA & Canada Credit card information Crown Audio Factory Service InformationDBC Network Bridge

137769-3 specifications

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