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Snell Advanced Media KudosPro MC500 Operator's Manual

Single-channel motion compensated standards converter
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Operator's Manual
KudosPro MC500
Single-channel Motion Compensated Standards Converter
www.s-a-m.com

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  • Page 1 Operator’s Manual KudosPro MC500 Single-channel Motion Compensated Standards Converter www.s-a-m.com...

  • Page 2: Information And Notices

    MC500 Information and Notices Information and Notices About this Manual This manual contains information for the installation and operation of the KudosPro MC500 unit. Software Version Software version: 2.2.A.10 QT Library KudosPro products use modified Qt Library under GNU LGPL: http://doc.qt.io/qt-4.8/index.html...

  • Page 3: Safety Information

    MC500 Safety Information Safety Information Explanation of Safety Symbols Erklärung der Sicherheitssymbole Dieses Symbol weist den Benutzer auf wichtige Informationen hin, die in der begleitenden Dokumentation enthalten sind. Dieses Symbol zeigt an, dass gefährliche Spannung vorhanden ist. Es befinden sich keine vom Benutzer zu wartenden Teile im Geräteinneren. Dieses Gerät sollte nur von geschultem Personal gewartet werden Sicherheits-Warnhinweise Die angeführten Service-/Reparatur-Anweisungen sind...
  • Page 4 MC500 Safety Information Simboli di sicurezza: Forklaring på sikkerhedssymboler Questo simbolo indica l'informazione importante contenuta nei Dette symbol gør brugeren opmærksom på vigtig information manuali appartenenti all'apparecchiatura. Consultare il manuale. i den medfølgende manual. Questo simbolo indica che all'interno dell'apparato sono presenti Dette symbol indikerer farlig spænding inden i apparatet.
  • Page 5 MC500 Safety Information Símbolos de Segurança O símbolo triangular adverte para a necessidade de consultar o manual antes de utilizar o equipamento ou efectuar qualquer ajuste. Este símbolo indica a presença de voltagens perigosas no interior do equipamento. As peças ou partes existentes no interior do equipamento não necessitam de intervenção, manutenção ou manuseamento por parte do utilizador.

  • Page 6: Laser Safety

    MC500 Safety Information Mains Power Supplies This equipment has two 3-pin IEC power sockets, one for the main power supply unit and one for the redundant power supply unit. The power supply is auto switching for input voltages in the ranges of 100 V to 240 V nominal. No voltage adjustment procedure is required.

  • Page 7: Safety Standards

    MC500 Safety Information Safety Standards This equipment conforms to the following standards: EN60950-1 2006 Safety of Information Technology Equipment Including Electrical Business Equipment. UL1419 (3rd Edition) - UL File E193966 Standard for Safety – Professional Video and Audio equipment. EMC Standards This equipment conforms to the following standards: EN 55103-1: 1996 (Environment E4) Electromagnetic Compatibility, Product family standard for audio, video, audio-visual and...

  • Page 8: Table Of Contents

    MC500 Contents Information and Notices ..........2 Safety Information .
  • Page 9 MC500 7.4 Audio Control........... . 33 7.4.1 AES Input Type (Option) .
  • Page 10 MC500 8.6.8 Input Signaling ARC Conversions ....... . 62 8.6.9 Output Signaling Config ........67 8.6.10 Output Signaling Config –...
  • Page 11 MC500 10.7 Front Panel ........... . 97 10.7.1 LCD Display .
  • Page 12 MC500 11.9.2 Processing..........138 11.9.3 Embedding .

  • Page 13: Introduction

    MC500 Introduction 1. Introduction 1.1 Description The KudosPro MC500 unit is a motion compensated standards converter for a range of applications including: • International program distribution • Content re purposing for Internet and TV distribution • International TV and video production The unit is ideal for customers who wish to perform high-quality conversions from one frame rate to another, such as 50 Hz to 60 Hz.

  • Page 14: Features

    MC500 Introduction 1.4 Features • Motion compensated SD/HD/3G frame rate conversion. • SD/HD/3G up, down, and cross conversion. • Composite input and output (option). • Flexible video and audio i/o configuration. • 16-channel embedded audio processing for each video channel. •...

  • Page 15: Block Diagrams

    MC500 Introduction 1.5 Block Diagrams 1.5.1 Video Processing The MC500 offers one channel of frame rate or format conversion with a choice of four SDI inputs and four SDI outputs. If the CVBS I/O option is fitted, CVBS A1 and A2 are inputs to the MC500, and CVBS B1 and B2 are outputs.

  • Page 16: Audio Processing

    MC500 Introduction 1.5.2 Audio Processing 1.5.2.1 6143111 – MC500 with Dolby E and CVBS Options 16 audio channels audio From Video Processing pairs HDMI audio Tone To Video Processing Silence audio pairs 16 audio audio Analog 16 audio Analog channels pairs channels Audio...

  • Page 17: Technical Specification

    MC500 Technical Specification 2. Technical Specification Signal Inputs Serial digital 4 x 75 Ohm SD/HD/3Gb/s serial digital with embedded audio Input standards: 3Gb/s HD-SDI, SMPTE425 level A, dual-link level B 1.5 Gbit/s HD-SDI SMPTE292M/SMPTE299M 270 Mbit/s SD-SDI SMPTE259M Composite PAL, NTSC, NTSC-J, PAL-M, PAL-N, N4.4, SECAM 12-bit ADCs Analog component Reference...
  • Page 18 MC500 Technical Specification Conversion Functions Modes SD/HD/3Gb/s motion compensated standards conversion Up, down, and cross conversion Conversion Linear/motion compensated Conversion processing Still process: Detects still images and applies an aperture with full (progressive) vertical frequency response Enhanced still: Adds field motion detection to still process. Prevents artifacts on moving repetitive patterns Aspect ratio conversion AFD (SMPTE 2016), VI (RP186), WSS (L23)
  • Page 19 MC500 Technical Specification Throughput delay Video processing delay With scaling active in same frame rate: field = 16.7 or 20 ms Ref lock / Free run between 3 and 5 fields + ~200 us, Input lock (SDI) 3 fields + 1 ms frame = 33.3 or 40 ms With same standard in &...
  • Page 20 MC500 Technical Specification Communications Remote control Remote control RollCall network (IP) Web browser Web applet (Java required) Power Input voltage range 100 to 240 VAC, 50/60 Hz 1.2 A (max), via three-pin IEC power socket (primary & secondary) Mechanical Temperature range 0 to 45°C operating Cooling Internal fan, side venting...

  • Page 21: Installation

    The unit is packed in a single cardboard box. Unpack the box carefully and check for any shortages or shipping damage. Report any shortages or shipping damage to SAM immediately. The box contains the following items: • KudosPro MC500 unit • Two power cables • Operator’s Manual CD Retain any product packaging as it may be required if returning the unit to SAM.

  • Page 22: Connections

    MC500 Connections 4. Connections 4.1 Rear Panel Layout The rear panel accommodates a CVBS option with AES unbalanced audio and composite video connections. 4.1.1 CVBS Option 4.1.2 Non-CVBS Option Connections labeled I/O can be used as inputs or outputs. Note: 4.2 Input and Output Connections Label Description...

  • Page 23: Audio Connection Pin Numbers (Option)

    MC500 Connections 4.2.1 Audio Connection Pin Numbers (Option) Analog Audio In Analog Audio Out AES Audio In/Out Channel 25-way Channel 25-way Channel 25-way D-type Pin D-type Pin D-type Pin CHASSIS CHASSIS CHASSIS GND1 GND1 GND1 Ch 8 in + Ch 8 out + Ch 4 out + Ch 8 in - Ch 8 out -...

  • Page 24: Fiber Connectivity

    MC500 Connections 4.2.2 Fiber Connectivity If no fiber option is fitted on the rear panel, do not remove the safety covers from the option slots. Two dual fibre ports are available as an option. Each port can be configured as one of the following: •...

  • Page 25: Front Panel Features

    MC500 Front Panel Features 5. Front Panel Features The front panel provides a user-friendly interface for complete control of the unit. A dual display shows the menu options and output signal, and various buttons provide easy access to the unit’s features. The display screens shown in this section are for reference and guidance only, and may be Note: slightly different to those you see on your unit.

  • Page 26: Front Panel Controls

    MC500 Front Panel Features 5.3 Front Panel Controls Item Description Provides status and control information. • The left-side of the display shows the menu list. Dual display • The right-side of the display shows either the output video or the menu options. Scrolls through the menu lists, selects menu options, and adjusts values.

  • Page 27: Operation Using The Front Panel

    MC500 Operation Using the Front Panel 6. Operation Using the Front Panel The front panel provides easy access to the unit’s menu structure. From the Home screen, a main menu list provides access to various sub-menus. Each sub-menu option from the main menu list has various screens and controls associated with it.

  • Page 28: Moving Through A Menu List

    MC500 Operation Using the Front Panel 6.4 Moving Through a Menu List • Rotate the Control knob clockwise to scroll down through a menu list, or anti-clockwise to scroll up through a menu list. 6.5 Selecting Menu Options • When on a required menu, press the Control knob to select it. 6.6 Adjusting Values When you select a menu option that requires adjustment, such as Noise Rejection, you can adjust the values by using the Control/Select knob or the alphanumeric buttons.

  • Page 29: Entering Alphanumeric Characters

    MC500 Operation Using the Front Panel 6.7 Entering Alphanumeric Characters Occasionally you may need to enter alphanumeric characters manually. This could be when setting an IP address or entering a memory name, for example. To enter values manually: Navigate to a menu option that requires manual text input, for example, Memory Name.

  • Page 30: System Setup Menus

    MC500 System Setup Menus 7. System Setup Menus This section details all of the screens, menu lists, options, and controls available for setting up the unit from the front panel. For information about using the various front panel controls, see “Front Panel Features” on page 25.

  • Page 31: Cvbs Encoder

    MC500 System Setup Menus • CTI: The Chroma Transient Improver (CTI) examines the input video data. CTI detects transitions of chroma and enhances chroma edges in order to artificially restore lost color bandwidth. Note: Use this control when the input video has chroma bandwidth limitations. •...

  • Page 32: Audio Routing

    MC500 System Setup Menus 7.3 Audio Routing The Audio Routing menu enables you to set up the routing for the AES and analog outputs. The AES and analog audio menus are only available if the CVBS option is fitted. Note: 7.3.1 AES 1–4 •...

  • Page 33: Audio Control

    MC500 System Setup Menus 7.4 Audio Control The Audio Control menu enables you to set up the unit’s input and output audio handling options. 7.4.1 AES Input Type (Option) • Pair 1–4: Use to select an AES input source from either the balanced or unbalanced input connections (if fitted).

  • Page 34: Genlock

    MC500 System Setup Menus 7.5 Genlock The Genlock controls lock the output video clock to the genlock source (input or reference) regardless of the video standard. If the genlock source and the video output are the same frame rate, for example, 50 Hz or 59.94 Hz, Genlock locks the output to the vertical phase of the genlock source, giving consistent and repeatable delay.

  • Page 35: Dolby

    MC500 System Setup Menus 7.6 Dolby The Dolby menu enables you to set up the how the unit handles Dolby audio. The MC500 unit supports Dolby D and E decoding as well as Dolby E transcoding when frame rate converting. Dolby E encoding from a PCM input is not supported.

  • Page 36: Dolby Ch1 (Option)

    MC500 System Setup Menus 7.6.1 Dolby Ch1 (Option) Each Dolby slot houses a Dolby encoder and transcoder. If the Dolby option is not fitted, the Dolby menus are grayed out. Note: • Decoder Source: Enables you to route the chosen incoming audio source (SDI or AES) to the Dolby decoder.

  • Page 37: Network

    MC500 System Setup Menus 7.7 Network The Network menu provides access to the unit’s network details and setup. 7.7.1 Ethernet The Ethernet controls enable you to view and set up all information relating to the unit’s network connections. • Current IP address: Shows the current IP address. •...

  • Page 38: Rollcall

    MC500 System Setup Menus 7.7.1.1 Setting a Static IP Address To set a static IP address, you will need to enter all the following information: IP address, IP gateway (even if you are not using an IP gateway), and IP netmask. In the following example, we are setting a static IP address of 192.168.1.42.

  • Page 39: Front Panel

    MC500 System Setup Menus 7.8 Front Panel The Front Panel menu enables you to customize some front panel features for ease of use. 7.8.1 Lock Front Panel Lock Front Panel locks all of the front panel controls to prevent accidental changes to the unit’s settings.

  • Page 40: Memories

    MC500 System Setup Menus 7.9 Memories The Memories menu enables you to save up to eight system-level memory setups and recall them when required. You can change the default memory names to more relevant ones if required. Memories set at a system level store all system settings except for the following: •...

  • Page 41: Reset To Defaults

    MC500 System Setup Menus 7.9.4 Reset to Defaults Reset to Defaults recalls the unit’s default memory settings at both system and channel level. All controls are reset to their preset values except for the following: • Network > DHCP • Network >...

  • Page 42: Memory Name

    MC500 System Setup Menus 7.9.6 Memory Name To change a memory name: From the Memory Name menu, select Change Name. Select the text box. The text entry cursor appears. Press an Alphanumeric button, 1 to 8, repeatedly until the desired character appears. If the next character you want is on the same button as the present one, wait until the cursor blinks once before pressing the button again.

  • Page 43: Logging

    MC500 System Setup Menus 7.10 Logging Logging defines what parameter information is made available to a logging device attached to the RollCall network. You can select from any of the following logging options: • Serial Number • Uptime (how long the unit has been powered up, in days/hours/minutes/seconds) •...

  • Page 44: Channel Operation Menus

    MC500 Channel Operation Menus 8. Channel Operation Menus This section details all of the menu lists, options, and controls available for performing signal processing, frame rate, and format conversions from the front panel. For information about using the front panel controls, see “Front Panel Features” on page 25. For information about navigating menus, see “Operation Using the Front Panel”...

  • Page 45: Output

    MC500 Channel Operation Menus 8.3 Output The Output menu enables you to apply various settings and adjustments to the video output signal. 8.3.1 Output Standard The Output Standard list enables you to specify the output standard of a conversion, for example, 625 50i.

  • Page 46: Freeze

    MC500 Channel Operation Menus 8.3.7 Freeze When Freeze is enabled, the output picture displays a frozen frame picture. 8.3.8 Legalization All color video signals are ultimately coded as RGB for display on a picture monitor. The Legalizer ensures that the output video stays within the legal RGB gamut limit, making it suitable for the broadcast signal chain.
  • Page 47 MC500 Channel Operation Menus Valid logo file requirements: • A number of image file types are supported by KudosPro. For a full list of currently supported image file types see the Supported Image File types Application Note under the “Support” tab at: http://www.snellgroup.com/products/conversion-and-restoration/conversion/kudospro •...
  • Page 48 MC500 Channel Operation Menus Animation details: • Animations are always displayed as a sequence, static frames cannot be selected • The maximum animation duration depends on the logo image size. For example an animated logo image with a 10% raster size overlaid on 60Hz signal is limited to a maximum of 10 seconds •...

  • Page 49: Video

    MC500 Channel Operation Menus 8.4 Video The Video menu enables you to apply various types of signal processing to the signal being converted, and includes Proc Amp and Enhance controls. 8.4.1 Proc Amp The Proc Amp (Process Amplifier) enables you to correct video inconsistencies, such as contrast.

  • Page 50: Enhance - Nonlinear Enhancer

    MC500 Channel Operation Menus 8.4.2 Enhance Nonlinear Enhancer – The Nonlinear Enhancer defines the amount of enhancement applied to a video to help regain lost detail. This could be as a result of degraded material, post production processes, or because the initial capture conditions were not ideal. The controls enable you to apply enhancement to the low, medium, and high frequency bands, and to create a custom setting if required.
  • Page 51 MC500 Channel Operation Menus 8.4.3.2 Horizontal Horizontal Aperture controls aliasing in down-converted content. • Sharpness: Determines the sharpness of the output by changing the rate of anti-alias filter cut-off. • Soft 2: Recommended for severely over enhanced source material. • Soft 1: Recommended for over enhanced source material.

  • Page 52: Convert

    MC500 Channel Operation Menus 8.5 Convert The Convert menu enables control of motion processing to improve the conversion performance of stationary content. 8.5.1 Motion Processing • Motion Process: Enables motion compensation. • Enhanced Motion: When used together with the Still Process option, Enhanced Motion detects constant motion and applies an aperture with full (progressive) vertical frequency response.

  • Page 53: Input Cadence

    MC500 Channel Operation Menus 8.5.3 Input Cadence Input Cadence enables you to define any cadence associated with the input video. • Film Cadence: Enables the processing of film-originated content transported by a cadence. • 59 Cadence: For standards with a field rate of 59 Hz and with cadence enabled, you can choose either 2:2 or 2:3 (psf).

  • Page 54: Arc

    MC500 Channel Operation Menus 8.6 ARC The Aspect Ratio Control (ARC) menu enables you to determine the aspect ratio of a picture from a range of options, or to adjust the size and position of the picture manually. 8.6.1 Sync Mode The Sync Mode control disables the ARC feature when input and output formats are the same.
  • Page 55 MC500 Channel Operation Menus 8.6.3.2 Sidebar Key Source If the sidebar key option is available, the Sidebar Key Source control will also be present. This control becomes active when Sidebar Key mode is selected. Firstly a border is set up around the active picture using the separate Output Crop Position controls.

  • Page 56: Post Scaling Control

    MC500 Channel Operation Menus 8.6.4 Post Scaling Control Post Scaling Control enables you to adjust the size and position of the picture manually. • Post Scaling Enable: Enables the Post Scaling controls. • Size: Adjusts the size of the whole output image while maintaining aspect ratio. The adjustment range is 80% to 120% in 1% steps.
  • Page 57 MC500 Channel Operation Menus 8.6.5.2 SD Output is 702 SD Output is 702 is an additional ARC preset mode, which is available for outgoing content that requires a 702 sample line rather than a 720 sample line. If the outgoing content requires a 702 sample line, select the check box.
  • Page 58 MC500 Channel Operation Menus 8.6.5.4 HD Cross Conversion – Select Standard Preset PB = pillarbox, v-crop = vertical crop, ana = anamorphic. 8.6.5.5 Up Conversion – Select Standard Preset LB = letterbox, PB = pillarbox, v-crop = vertical crop, ana = anamorphic. Issue 1 Rev 6 Page 58 ©...

  • Page 59: Scaler Config - Input Config

    MC500 Channel Operation Menus 8.6.5.6 Down Conversion – Select Standard Preset LB = letterbox, PB = pillarbox, h-crop = horizontal crop, ana = anamorphic. 8.6.6 Scaler Config – Input Config The Input Config functions define which of the supported aspect signaling standards defines the input of the ARC.
  • Page 60 MC500 Channel Operation Menus 8.6.6.2 If Input Signaling Not Present When using input aspect signaling with an SD or HD input source, it is possible to set a default input ARC setting. If, for any reason, the input aspect signaling cannot be detected, the ARC assumes this default setting.

  • Page 61: Scaler Config - Output Config

    MC500 Channel Operation Menus 8.6.7 Scaler Config – Output Config The Output Config functions define which of the supported aspect signaling standards defines the input of the ARC. 8.6.7.1 Conversion Scaling Conversion Scaling enables you to set fixed ARC output aspects. •...

  • Page 62: Input Signaling Arc Conversions

    MC500 Channel Operation Menus 8.6.8 Input Signaling ARC Conversions It is possible to manually fix the output aspect of the ARC when using input signaling. The input to the ARC is then defined by the dynamic input signaling. The following sections show the ARC conversions possible using input signaling and a combination of SD Output Format and Conversion Scaling controls.
  • Page 63 MC500 Channel Operation Menus SD Output Format = Anamorphic (16:9). 8.6.8.2 HD Cross Conversion Issue 1 Rev 6 Page 63 © 2015 SAM...
  • Page 64 MC500 Channel Operation Menus 8.6.8.3 Up Conversion SD Output Format has no effect as output is HD. 8.6.8.4 Down Conversion SD Output Format = Normal (4:3). Issue 1 Rev 6 Page 64 © 2015 SAM...
  • Page 65 MC500 Channel Operation Menus SD Output Format = Anamorphic (16:9). Issue 1 Rev 6 Page 65 © 2015 SAM...
  • Page 66 MC500 Channel Operation Menus 8.6.8.5 Alternate Center Cut Alternate center cut is off by default. When off, behavior on receipt of certain specific AFD codes ignores protected regions. When Alternate center cut is on, the ARC behavior for these six specific codes will be to remove any Black bars and also remove the grey bars that will leave the “Alternative Centre”.

  • Page 67: Output Signaling Config

    MC500 Channel Operation Menus 8.6.9 Output Signaling Config The Output Signaling Config controls define which of the supported aspect signaling standards defines the input of the ARC. 8.6.9.1 SMPTE 2016 The SMPTE 2016 controls define how the SMPTE 2016 signaling is configured. The controls also enable you to choose the output line number on which output signaling is embedded.
  • Page 68 MC500 Channel Operation Menus 8.6.9.2 VI The Video Index (VI) Config controls enable you to specify VI signaling output actions. VI is valid for both 625 and 525 output video formats. The lines used are: • 625: Field 1 line 11, field 2 line 324. •...
  • Page 69 MC500 Channel Operation Menus 8.6.9.3 L23 The L23 Config controls define how the output ETSI EN 300 294 signaling is configured. This signaling format is generally referred to as WSS or Line 23 (L23), as this is the default line used to carry this signal in 625.

  • Page 70: Output Signaling Config - Force Mode Config

    MC500 Channel Operation Menus • Output Line: WSS information is generally carried in the first half of line 23; however, if the information is required on a different line, use the slider to specify the line on which it is carried in the output. The range is from line 10 to line 23 in one-line steps. Note: ETSI EN 300 294 signaling will only be extracted from this line number if the video input format is 625.

  • Page 71: Audio

    MC500 Channel Operation Menus 8.7 Audio The Audio menu enables you to control the routing of the unit’s audio options. 8.7.1 Routing The Routing control enables you to route the incoming audio to an embedded audio output. 8.7.1.1 Input Pairs Status The Input Pairs Status list shows the status of the audio input pairs.

  • Page 72: Control

    MC500 Channel Operation Menus • Dolby Encoder (if fitted) For schematic information on audio routing, see “Block Diagrams” on page 15. AES and analog audio are controlled at a frame level, not at a channel level. Note: To route the AES and analog audio outputs, see “Audio Routing” on page 32. For more information about audio routing, see the Audio Processing Application Note under the “Support”...
  • Page 73 MC500 Channel Operation Menus Points to consider: • Each embedded pair (EMB1/2 to EM15/16) has its own individual tone generator. • AES can be balanced or un-balanced. Only four pairs of AES can be processed. • Analog audio processing is limited to four pairs. •...

  • Page 74: Shuffle

    MC500 Channel Operation Menus 8.7.3 Shuffle The Shuffle menu contains the output information from the audio processors, as defined on the Routing screen. 8.7.3.1 Output Pairs 1–8 L/R • Process Pairs Source: For each of the output pairs, 1–8, you can select the audio source to be routed to the output.

  • Page 75: Timecode

    MC500 Channel Operation Menus 8.8 Timecode The Timecode menu enables you to set up and control the unit’s timecode options for VITC (Vertical Interval Timecode), LTC (Linear Timecode), and ATC (Ancillary Timecode). For HD video inputs, ATC LTC and ATC VITC timecode data formats are supported. For HD video outputs, the timecode data format is fixed to ATC VITC.

  • Page 76: Mode

    MC500 Channel Operation Menus 8.8.3 Mode • Follow Input: The input timecode is read every frame and the actual time elapsed since timecode 00:00:00:00 is calculated. This elapsed time is then converted into an output timecode that matches the output video frame, and inserted into the output. There is an additional process to compensate for clock offset between in and out, which will generate repeated or skipped timecodes as necessary, just as happens when synchronizing at the same standard.

  • Page 77: Output Timecode Entry

    MC500 Channel Operation Menus 8.8.9 Output Timecode Entry In the Output Timecode Entry field you can enter a value to specify when the output timecode starts. Once set, the output timecode will start when the input timecode reaches the trigger value set in the Input Trigger Entry field.

  • Page 78: Metadata

    MC500 Channel Operation Menus 8.9 Metadata The Metadata menu enables you to control a set of closed captions and teletext subtitle information. Incoming SD or HD closed captions and subtitles are converted to the correct format in the HD or SD output when upconverting or downconverting at the same frame rate. 8.9.1 Closed Captions Closed Captions covers CEA-608 and CEA-708 specified captioning.

  • Page 79: Multi-Line Wst

    MC500 Channel Operation Menus 8.9.2 Multi-line WST The unit can pass World System Teletext (WST) for SD and RDD-08 or SMPTE 2031 teletext for HD. You can enable or disable teletext output and specify the input and output lines used. Teletext covers World System Teletext (WST) subtitles, SMPTE RDD-08 and SMPTE 2031.
  • Page 80 MC500 Channel Operation Menus Menu Choice Operation SMPTE RDD08/ RDD08/2031 Input • SMPTE RDD08 (default) SMPTE ST2031 Packet Type • SMPTE 2031 RDD08 / 2031 Output • Off (Default) Packet Enable • RDD08/2031 Output Packet Enable RDD08/2031 Output • SMPTE RDD08 (default) Packet Type •...
  • Page 81 MC500 Channel Operation Menus 625 Input - 625 Output You can select which input lines of WST are encoded on the output (see instructions for SD VBI line setup below). For the lines selected the status of WST being detected on that line is reported back.

  • Page 82: Memory

    MC500 Channel Operation Menus 8.10 Memory The Memory menu enables you to save up to eight memory setups and recall them when required. You can change the default memory names to more relevant ones if required. Memories set at a channel level save all parameters associated with the processing channel including: •...

  • Page 83: Memory Name

    MC500 Channel Operation Menus 8.10.5 Memory Name To change a memory name: From the Memory Name menu, select Change Name. Select the text box. The text entry cursor appears. Press an Alphanumeric button, 1 to 8, repeatedly until the desired character appears. If the next character you want is on the same button as the present one, wait until the cursor blinks once before pressing the button again.

  • Page 84: Operation Using The Rollcall Control Panel

    MC500 Operation Using the RollCall Control Panel 9. Operation Using the RollCall Control Panel In addition to the front panel, the RollCall Control Panel enables you to control the MC500 unit through various different screens. Refer to the RollCall Control Panel Installation & Operator’s Manual for information on installation and setup of the RollCall Control Panel.

  • Page 85: Navigating Screens

    MC500 Operation Using the RollCall Control Panel 9.3 Navigating Screens The list at the top-left of each screen shows each template screen available for the unit in use. To select a different template screen, choose one from the list. Alternatively, right-click anywhere on-screen in an opened template and choose one from the list.

  • Page 86: Using The Web Applet

    MC500 Operation Using the RollCall Control Panel 9.5 Using the Web Applet In addition to the front panel and the RollCall Control Panel, the web applet enables you to control the MC500 unit from a web browser. The appearance and controls are the same as the RollCall Control Panel.

  • Page 87: Rollcall Control Panel System Setup Screens

    MC500 RollCall Control Panel System Setup Screens 10. RollCall Control Panel System Setup Screens This section details all of the screens, menu lists, options, and controls available for setting up the unit from the RollCall Control Panel. The screens shown in this section are for guidance and reference only, and may be slightly Note: different to those on your unit.
  • Page 88 MC500 RollCall Control Panel System Setup Screens 10.1.3 Ch 1 The Timing controls enable you to specify the horizontal and vertical genlock timing. • Vertical Timing: Adjusts the vertical timing of the output signal with respect to the reference signal. The adjustment range is one output line in one-line steps. The preset value is 0.

  • Page 89: Audio Routing

    MC500 RollCall Control Panel System Setup Screens 10.2 Audio Routing The Audio Routing screen enables you to set up the routing for the AES and analog outputs. The AES and analog audio menus are only available if the CVBS option is fitted. Note: 10.2.1 AES Output 1–4 You can choose where to route the AES audio for each output.

  • Page 90: Audio Control

    MC500 RollCall Control Panel System Setup Screens 10.3 Audio Control The Audio Control screen enables you to set up the unit’s input and output audio handling options. 10.3.1 Input The Input menu provides controls for the input analog audio signal. 10.3.1.1 Analog ADC Headroom •...

  • Page 91: Cvbs

    MC500 RollCall Control Panel System Setup Screens 10.4 CVBS The CVBS screen enables you to set up and view options for a video input source and the video output signal. CVBS provides options for the two composite video input/output slots (if the CVBS option is fitted).

  • Page 92: Cvbs Encoder

    MC500 RollCall Control Panel System Setup Screens 10.4.2 CVBS Encoder Each slot has two composite video connections. • Source: Use to route the processing channel to the chosen CVBS encoder. • Format: Specifies the CVBS output standard. The options are: •...

  • Page 93: Dolby

    MC500 RollCall Control Panel System Setup Screens 10.5 Dolby The Dolby screen enables you to set up the how the unit handles Dolby audio. The MC500 unit supports Dolby D and E decoding as well as Dolby E transcoding when frame rate converting.

  • Page 94: Dolby Ch 1 (Option)

    MC500 RollCall Control Panel System Setup Screens 10.5.1 Dolby Ch 1 (Option) Each Dolby slot houses a Dolby encoder and transcoder. If the Dolby option is not fitted, the Dolby menus are grayed out. Note: • Decoder Source: Enables you to route the chosen incoming audio source (SDI or AES) to the Dolby decoder.

  • Page 95: Network

    MC500 RollCall Control Panel System Setup Screens 10.6 Network The Network screen provides access to the unit’s network details and setup. 10.6.1 Ethernet The Ethernet controls enable you to view and set up all information relating to the unit’s network connections. •...

  • Page 96: Rollcall

    MC500 RollCall Control Panel System Setup Screens 10.6.1.1 Setting a Static IP Address To set a static IP address, you will need to enter all the following information: IP address, IP gateway (even if you are not using an IP gateway), and IP netmask. In the following example, we are setting a static IP address of 192.168.1.42.

  • Page 97: Front Panel

    MC500 RollCall Control Panel System Setup Screens 10.7 Front Panel The Front Panel screen enables you to customize some front panel features for ease of use. 10.7.1 LCD Display • Lock Front Panel: Locks all of the front panel controls to prevent accidental changes to the unit’s settings.

  • Page 98: Memories

    MC500 RollCall Control Panel System Setup Screens 10.8 Memories The Memories screen enables you to save up to eight system-level memory setups and recall them when required. You can change the default memory names to more relevant ones if required. Memories set at a system level store all system settings except for the following: •...

  • Page 99: Recall Memory

    MC500 RollCall Control Panel System Setup Screens 10.8.2 Recall Memory The Recall Memory button recalls the settings saved in a memory location. To recall a memory: In the Memory Select column, choose a memory you want to recall. Click Recall Memory. The recalled settings are applied.

  • Page 100: Logging

    MC500 RollCall Control Panel System Setup Screens 10.9 Logging The Logging screen defines what parameter information is made available to a logging device attached to the RollCall network. You can select to enable logging and view the status of the following parameters: •...

  • Page 101: Calibration

    MC500 RollCall Control Panel System Setup Screens 10.11 Calibration The Calibration screen enables you to calibrate the CVBS decoders and encoders. 10.11.1 CVBS Decoder A • Luma Gain: Adjusts the composite luminance signal. • Chroma Gain: Adjusts the composite chrominance signal. •...

  • Page 102: Rollcall Control Panel Channel Operation Screens

    MC500 RollCall Control Panel Channel Operation Screens 11. RollCall Control Panel Channel Operation Screens This section details all of the menu lists, options, and controls available for performing signal processing, frame rate, and format conversions from the RollCall Control Panel. The screens shown in this section are for guidance and reference only, and may be slightly Note: different to those on your unit.

  • Page 103: Output

    MC500 RollCall Control Panel Channel Operation Screens 11.2 Output The Output screen enables you to apply various settings and adjustments to the video output signal. 11.2.1 Output Standard • Standard: Specifies the output standard of a conversion. • Current Output Standard: Shows the output standard currently in use. 11.2.2 Freeze The freeze check box enables you to freeze the output picture.

  • Page 104: Legalization

    MC500 RollCall Control Panel Channel Operation Screens 11.2.3 Legalization All color video signals are ultimately coded as RGB for display on a picture monitor. The Legalizer ensures that the output video stays within the legal RGB gamut limit, making it suitable for the broadcast signal chain.

  • Page 105: Scrolling Caption Generator

    MC500 RollCall Control Panel Channel Operation Screens 11.2.7 Scrolling Caption Generator The Scrolling Caption Generator overlays a black text box with a user-defined caption onto the output video. This is generally used as a setup or debug tool to help identify a video stream on a monitor.
  • Page 106 MC500 RollCall Control Panel Channel Operation Screens Logo naming convention: • All logo files take the form <logo_name><specifier>.<extension> where <logo_name> equals the directory's name. • Logo filenames must be all in lowercase. • A <specifier> of the form _<standard> indicates that this logo is intended for this specific standard.
  • Page 107 MC500 RollCall Control Panel Channel Operation Screens Animation details: • Animations are always displayed as a sequence, static frames cannot be selected • The maximum animation duration depends on the logo image size. For example an animated logo image with a 10% raster size overlaid on 60Hz signal is limited to a maximum of 10 seconds •...

  • Page 108: Video

    MC500 RollCall Control Panel Channel Operation Screens 11.3 Video The Video screen enables you to apply various types of signal processing to the signal being converted, and includes Proc Amp and Nonlinear Enhancer controls. 11.3.1 Proc Amp The Process Amplifier (Proc Amp) enables you to correct video inconsistencies, such as contrast.

  • Page 109: Nonlinear Enhancer

    MC500 RollCall Control Panel Channel Operation Screens 11.3.2 Nonlinear Enhancer The Nonlinear Enhancer defines the amount of enhancement applied to a video to help regain lost detail. This could be as a result of degraded material, post production processes, or because the initial capture conditions were not ideal. The controls enable you to apply enhancement to the low, medium, and high frequency bands, and to create a custom setting if required.
  • Page 110 MC500 RollCall Control Panel Channel Operation Screens 11.3.3.3 Horizontal Horizontal controls aliasing in down-converted content • Sharpness: Determines the sharpness of the output by changing the rate of anti-alias filter cut-off. • Soft 2: Recommended for severely over enhanced source material. •...

  • Page 111: Convert

    MC500 RollCall Control Panel Channel Operation Screens 11.4 Convert The Convert screen enables control of motion processing to improve the conversion performance of stationary content. 11.4.1 Up Conversion • Clean Edge Upconversion: Enables the Texture Adaptive Upconversion (TAU) process. TAU helps to adapt away any horizontal ringing (vertical edges), common in very high-frequency graphics.

  • Page 112: Input Cadence

    MC500 RollCall Control Panel Channel Operation Screens • Enhanced De-interlace: Replaces missing lines with a gradient between the previous and following lines. This control improves the appearance of de-interlaced images and is useful when dealing with complex shapes. For more information about motion processing and enhanced film settings, see the KudosPro Still Mode Application Note and KudosPro Film Mode Application Note, under the “Support”...

  • Page 113: Arc

    MC500 RollCall Control Panel Channel Operation Screens 11.5 ARC The Aspect Ratio Control (ARC) enables you to determine the aspect ratio of a picture from a range of options, or to adjust the size and position of the picture manually. Issue 1 Rev 6 Page 113 ©...

  • Page 114: Sync Mode

    MC500 RollCall Control Panel Channel Operation Screens 11.5.1 Sync Mode The Sync Mode check box disables the ARC feature when input and output formats are the same. This gives the lowest latency. 11.5.2 Signaling Detected Signaling Detected shows the status of any aspect ratio signaling detected at the input. If Status shows “None”, no valid signaling is detected.
  • Page 115 MC500 RollCall Control Panel Channel Operation Screens 11.5.3.1 Mode • Off: Disables both Output Crop and Sidebar Keying. • Output Crop: Crops the output picture. In this mode the cropped area is black by default. The cropped area is defined using the Output Crop Position controls. See see section 11.5.3.2.
  • Page 116 MC500 RollCall Control Panel Channel Operation Screens 11.5.3.2 Output Crop Position The Output Crop position controls enable you to adjust which portion of the video picture is visible by applying a border around the outside of the picture. The controls do not alter the output active picture size –...

  • Page 117: Post Scaling Control

    MC500 RollCall Control Panel Channel Operation Screens 11.5.3.3 Sidebar Key Source If the sidebar key option is available, the Sidebar Key Source control will also be present. This control becomes active when Sidebar Key mode is selected. Firstly a border is set up around the active picture using the separate Output Crop Position controls.

  • Page 118: Scaler Config - Presets

    MC500 RollCall Control Panel Channel Operation Screens 11.5.5 Scaler Config – Presets If no input aspect signaling is available and the conversion required is always from a known input aspect ratio to another known input aspect ration, one of the standard presets may be selected.
  • Page 119 MC500 RollCall Control Panel Channel Operation Screens 11.5.5.4 HD Cross Conversion PB = pillarbox, v-crop = vertical crop, ana = anamorphic. 11.5.5.5 Up Conversion LB = letterbox, PB = pillarbox, v-crop = vertical crop, ana = anamorphic. Issue 1 Rev 6 Page 119 ©...

  • Page 120: Scaler Config - Input Config

    MC500 RollCall Control Panel Channel Operation Screens 11.5.5.6 Down Conversion LB = letterbox, PB = pillarbox, h-crop = horizontal crop, ana = anamorphic. 11.5.6 Scaler Config – Input Config The Input Config functions define which of the supported aspect signaling standards defines the input of the ARC.
  • Page 121 MC500 RollCall Control Panel Channel Operation Screens 11.5.6.2 If Input Signaling Not Present When using input aspect signaling with an SD or HD input source, it is possible to set a default input ARC setting. If, for any reason, the input aspect signaling cannot be detected, the ARC assumes this default setting.

  • Page 122: Scaler Config - Output Config

    MC500 RollCall Control Panel Channel Operation Screens 11.5.7 Scaler Config – Output Config The Output Config functions define which of the supported aspect signaling standards defines the input of the ARC. 11.5.7.1 Conversion Scaling Conversion Scaling enables you to set fixed ARC output aspects. •...
  • Page 123 MC500 RollCall Control Panel Channel Operation Screens 11.5.8.1 SD Cross Conversion SD Output Format = Normal (4:3). SD Output Format = Anamorphic (16:9). Issue 1 Rev 6 Page 123 © 2015 SAM...
  • Page 124 MC500 RollCall Control Panel Channel Operation Screens 11.5.8.2 HD Cross Conversion 11.5.8.3 Up Conversion SD Output Format has no effect as output is HD. Issue 1 Rev 6 Page 124 © 2015 SAM...
  • Page 125 MC500 RollCall Control Panel Channel Operation Screens 11.5.8.4 Down Conversion SD Output Format = Normal (4:3). SD Output Format = Anamorphic (16:9). Issue 1 Rev 6 Page 125 © 2015 SAM...
  • Page 126 MC500 RollCall Control Panel Channel Operation Screens 11.5.8.5 Alternate Center Cut Alternate center cut is off by default. When off, behavior on receipt of certain specific AFD codes ignores protected regions. When Alternate center cut is on, the ARC behavior for these six specific codes will be to remove any Black bars and also remove the grey bars that will leave the “Alternative Centre”.

  • Page 127: Output Signaling Config

    MC500 RollCall Control Panel Channel Operation Screens 11.5.9 Output Signaling Config The Output Signaling Config controls define which of the supported aspect signaling standards defines the input of the ARC. 11.5.9.1 SMPTE 2016 The SMPTE 2016 controls define how the SMPTE 2016 signaling is configured. The controls also enable you to choose the output line number on which output signaling is embedded.
  • Page 128 MC500 RollCall Control Panel Channel Operation Screens 11.5.9.2 VI (SMPTE RP 186-95/08) The Video Index (VI) Config controls enable you to specify VI signaling output actions. VI is valid for both 625 and 525 output video formats. The lines used are: •...
  • Page 129 MC500 RollCall Control Panel Channel Operation Screens 11.5.9.3 L23 (ETSI EN 300 294 v1.4.1) The L23 Config controls define how the output ETSI EN 300 294 signaling is configured. This signaling format is generally referred to as WSS or Line 23 (L23), as this is the default line used to carry this signal in 625.

  • Page 130: Output Signaling Config - Force Mode Config

    MC500 RollCall Control Panel Channel Operation Screens • Output Line Status: Shows the output line number on which WSS information is carried. If no line number is selected, “OFF” is displayed • AFD User Bits: • Force User Bits Value: Forces the value set on the User Bits Value slider into the L23 output.

  • Page 131: Audio Routing

    MC500 RollCall Control Panel Channel Operation Screens 11.6 Audio Routing The Audio Routing screen enables you to route the incoming audio to the required embedded audio output. 11.6.1 Input Pairs Input Pairs shows the input sources available to be routed. 11.6.1.1 Source •...

  • Page 132: Process Pairs

    MC500 RollCall Control Panel Channel Operation Screens • Dolby Decoder 1–4 (if fitted): You can select each of the four audio pairs from the Dolby decoder individually: • Dolby decoder 1 is pair 1 from the Dolby decoder • Dolby decoder 2 is pair 2 from the Dolby decoder •...

  • Page 133: Audio Control

    MC500 RollCall Control Panel Channel Operation Screens 11.7 Audio Control The Audio Control screen enables you to adjust the gain of the audio channels. 11.7.1 Gain The Pair 1–8 sliders adjust the gain of the left and right channels of the audio pairs. The adjustment range is -12 dB to 12 dB in 0.1 dB steps.

  • Page 134: Dolby E Alignment Offset

    MC500 RollCall Control Panel Channel Operation Screens 11.7.3 Dolby E Alignment Offset The Dolby E Alignment Offset slider sets the guard-band position of any output pair containing Dolby E, to allow for downstream processing. By default, the position of the guard-band is set automatically and is dependent on the output standard.

  • Page 135: Audio Shuffle

    MC500 RollCall Control Panel Channel Operation Screens 11.8 Audio Shuffle The Audio Shuffle screen contains the output information from the audio processors, as defined on the Audio Routing screen. 11.8.1 Process Pairs The Process Pairs box shows the eight audio processor pairs defined on the Audio Routing screen.

  • Page 136: Invert Phase

    MC500 RollCall Control Panel Channel Operation Screens 11.8.3 Invert Phase The Invert Phase check boxes enable you to invert the phase of the left and right audio channels. This control is useful for dealing with input audio discrepancies. 11.8.4 Control •...

  • Page 137: Timecode

    MC500 RollCall Control Panel Channel Operation Screens 11.9 Timecode The Timecode screen enables you to set up and control the unit’s timecode options for VITC (Vertical Interval Timecode), LTC (Linear Timecode), and ATC (Ancillary Timecode). For HD video inputs, ATC LTC and ATC VITC timecode data formats are supported. For HD video outputs, the timecode data format is fixed to ATC VITC.

  • Page 138: Processing

    MC500 RollCall Control Panel Channel Operation Screens 11.9.1.1 Source HD For HD video standards, the supported input timecode format is ATC. This means that timecode data formatted as LTC, VITC, or both will be detected at the input; however, only one format can be selected.
  • Page 139 MC500 RollCall Control Panel Channel Operation Screens 11.9.2.2 On Timecode Loss On Timecode Loss defines how the embedded output timecode should behave if input timecode cannot be detected. • Freeze: On timecode loss, the output timecode will freeze at the last valid detected input value, until the valid input returns.

  • Page 140: Embedding

    MC500 RollCall Control Panel Channel Operation Screens 11.9.3 Embedding The Embedding controls enable you to enable/disable embedding of VITC in SD output video, and to choose the line on which it is embedded for both 525 and 625 outputs. • VITC Enable: Enables the embedding of VITC in the SD output.

  • Page 141: Metadata

    MC500 RollCall Control Panel Channel Operation Screens 11.10 Metadata The Metadata screen enables you to control a set of closed captions and teletext subtitle information. Incoming SD or HD closed captions and subtitles are converted to the correct format in the HD or SD output when upconverting or downconverting at the same frame rate.

  • Page 142: Closed Captions

    MC500 RollCall Control Panel Channel Operation Screens 11.10.1 Closed Captions Closed Captions covers CEA-608 and CEA-708 specified captioning. Although these specifications support captioning in multiple video standards, CEA-608 is only supported in 525 input or output as a line 21 signal. CEA-708 is only supported in 59 Hz HD video standards as a VANC packet with a Caption Distribution Packet (CDP) payload.

  • Page 143: Multi-Line Wst

    MC500 RollCall Control Panel Channel Operation Screens 11.10.2 Multi-line WST The unit can pass World System Teletext (WST) for SD and RDD-08 or SMPTE 2031 teletext for HD. You can enable or disable teletext output and specify the input and output lines used. Teletext covers World System Teletext (WST) subtitles, SMPTE RDD-08 and SMPTE 2031.
  • Page 144 MC500 RollCall Control Panel Channel Operation Screens HD Input - HD Output You can select which input HD WST packet is to be decoded - RDD-08 or SMPTE2031. Cross-conversion between the packet types is allowed. The option to select individual WST lines contained in the input packets is still available using the WST origin and status menu items.

  • Page 145: Memories

    MC500 RollCall Control Panel Channel Operation Screens 11.11 Memories The Memories screen enables you to save up to eight memory setups and recall them when required. You can change the default memory names to more relevant ones if required. Memories set at a channel level save all parameters associated with the processing channel including: •...

  • Page 146: Recall Memory

    MC500 RollCall Control Panel Channel Operation Screens 11.11.2 Recall Memory The Recall Memory button recalls the settings saved in a memory location. To recall a memory: In the Memory Select column, select the memory you want to recall. Click Recall Memory. The recalled settings are applied.

  • Page 147: Rollcall

    MC500 RollCall Control Panel Channel Operation Screens 11.12 RollCall The RollCall screen enables you to name the unit for use remotely with the RollCall Control Panel. To change the name of the unit: In the Unit Name field, type a new name for the unit. To save the name, click S.

  • Page 148: Appendix A. Conversion Operational Examples

    MC500 Conversion Operational Examples Appendix A. Conversion Operational Examples A.1 MC500 Frame Rate Conversion Example You have received content at 1080 59i and need to convert it to 1080 50i with an additional audio delay of 100 ms to correct for an upstream error. Steps On the rear panel, connect the SDI source (1080 59i) to SDI In 1.

  • Page 149: Mc500 Frame Rate Conversion - Sd Composite Video

    MC500 Conversion Operational Examples A.2 MC500 Frame Rate Conversion – SD Composite Video Example You have received SD composite PAL content at 625 50i and need to convert it to SDI 1080 59i. Audio is not required. Steps Ensure that you have the CT1 option fitted. Important: On the rear panel, connect the SD composite source (625 50i) to CVBS A1.

  • Page 150: Using Decoded Dolby E Audio When Converting Video

    MC500 Conversion Operational Examples A.3 Using Decoded Dolby E Audio when Converting Video Example You want to route the first pair from a decoded Dolby E source, using processing channel 1, to PCM on SDI output A1 embedded audio pair 1 (assuming only one Dolby option is fitted). A.3.1 From the Front Panel On the front panel, press the SYSTEM Shortcut button.

  • Page 151: Transcoding Dolby E Audio When Converting Video

    MC500 Conversion Operational Examples A.4 Transcoding Dolby E Audio when Converting Video Example You want to transcode incoming Dolby from a 50 Hz source on pair 1 using processing channel 1 to match a frame rate converted video output at 59 Hz, which will be routed to SDI out B1 embedded audio pair 1 (assuming the Dolby option is fitted).

  • Page 152: Appendix B. Troubleshooting

    MC500 Troubleshooting Appendix B. Troubleshooting B.1 Introduction In the unlikely event of a fault with the KudosPro unit, follow the advice given in this section. A fault can arise due to any of the following: • Incorrect operation • Errors in upstream equipment •...

  • Page 153: Psu Fault

    MC500 Troubleshooting To perform a factory reset from the RollCall Control Panel: From the System menu, select Memories > Factory Reset. Do one of the following to apply the changes: • From the Network screen, click Apply IP Changes. • Reboot the system.

  • Page 154: Video Troubleshooting

    MC500 Troubleshooting B.3 Video Troubleshooting B.3.1 Video Quality Issues A video quality issue may not mean that there are any problems with the unit. Sometimes problems are due to incorrect conversion parameter settings, or errors in the incoming source. If you suspect a video processing fault: •...

  • Page 155: Front Panel Display Is Blank

    MC500 Troubleshooting B.3.3 Front Panel Display is Blank • Check that you have valid SDI video on the video channel selected. • On the Home screen, check that the correct standard is showing on the status display for the processing channel in use. If the display shows "Input Loss", check that your video source is playing out correctly.

  • Page 156: Hardware Or Software Fault

    MC500 Troubleshooting B.3.5 Hardware or Software Fault? If a fault occurs on more that one unit using the same software code, or on multiple channels on the same unit, a software fault is the likely cause. If a fault occurs on a single channel, a hardware fault could be the cause.

  • Page 157: Audio Troubleshooting

    MC500 Troubleshooting B.4 Audio Troubleshooting KudosPro products can process several audio formats: embedded, balanced AES, and balanced analog as standard, and unbalanced AES if the composite option is fitted. B.4.1 SD Embedded Audio Problems In the SD domain, the specification for embedding audio into a video channel is ambiguous. The ambiguity concerns the packet distribution process applied.

  • Page 158: Software Upgrade Procedure

    MC500 Troubleshooting B.5 Software Upgrade Procedure Upgrading from software version 1.4F.5 (or earlier) to version 1.5E.6 (or later) will Important: significantly change the structure of the flash. Once a unit has been upgraded to version 1.5E.6 (or later), it should not be downgraded. A downgrade will wipe product licenses and leave the unit unable to boot.

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