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Snell & Wilcox NRS70TX Operator's Manual

Digital noise reducer & frame synchronizer
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NRS70 and NRS70TX
Digital Noise Reducer & Frame Synchronizer
© August 2003
www.snellwilcox.com
Snell & Wilcox Ltd., Southleigh Park House, Eastleigh Road, Havant, Hants, PO9 2PE, United Kingdom.
For General Enquiry's contact:
For Technical assistance contact: Tel: +44 (0) 2392 489058
Web: http://www.snellwilcox.com/support
NRS70OPS
070803 Version 1 Issue 2
Tel: +44 (0) 2392 489000
Ftp: ftp://ftp.snellwilcox.com/support
www.snellwilcox.com
Operator's
Manual
Fax: +44 (0)23 9245 1411
Fax: +44 (0) 2392 489057
0.1

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  • Page 1 NRS70 and NRS70TX Digital Noise Reducer & Frame Synchronizer Operator’s Manual © August 2003 www.snellwilcox.com Snell & Wilcox Ltd., Southleigh Park House, Eastleigh Road, Havant, Hants, PO9 2PE, United Kingdom. For General Enquiry’s contact: Tel: +44 (0) 2392 489000 Fax: +44 (0)23 9245 1411...
  • Page 2 NRS70 Series SECTION 0 Explanation of Safety Symbols Erklärung der Sicherheitssymbole This symbol refers the user to important information contained in Dieses Symbol weist den Benutzer auf wichtige Informationen the accompanying literature. Refer to manual. hin, die in der begleitenden Dokumentation enthalten sind. This symbol indicates that hazardous voltages are present inside.
  • Page 3 NRS70 Series SECTION 0 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 4 NRS70 Series SECTION 0 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 5 NRS70 Series SECTION 0 Rack Mounting the Enclosure This product must not be rack mounted using only the front rack ears. When rack-mounting the product, one of the following methods of installation must be used: - Place the unit on a suitably specified, and installed rack shelf and secure the product to the rack via the •...
  • Page 6 NRS70 Series SECTION 0 Safety Standard This unit conforms to the following standards: BS EN60950:1992 Professional Video Specification for safety of information Equipment technology equipment, including electrical business equipment No: 60AA cULus Listed Professional Video Equipment File No. E193966 EMC Standards This unit conforms to the following standards: BS EN 55103-1 : 1997 Electromagnetic Compatibility, Product family standard for audio, video, audio-visual and entertainment lighting...
  • Page 7 Software Version Amendments Notes about Versions Fitted Software. The NRS70/NRS70TX is shipped with Version 6.6. . 8 of the software. Manufacturers Notice Copyright protection claimed includes all forms and matters of copyrightable material and information now allowed by statutory or judicial law or hereinafter granted, including without limitation, material generated from the software programs which are displayed on the screen such as icons, screen display looks etc.

  • Page 8: Table Of Contents

    NRS70 Series SECTION 0 Table of Contents SECTION Introduction Description.......................... 1.1 Features ..........................1.2 Specifications ........................2.1 Installation Unpacking the CVR550...................... 3.1 Power Connections ......................3.1 Removing and fitting a rear connecting panel ..............3.2 Input Connections....................... 3.2 Output Connections......................3.4 Communication Connections .....................
  • Page 9 NRS70 Series SECTION 0 Product Support Procedure If you experience any technical or operational difficulties with a Snell & Wilcox product please do not hesitate to contact us or utilize our online form to request assistance. There is a lot of information you can give us that will enable us to diagnose your problem swiftly. Please read the following guidelines, as these suggestions will help us to help you.
  • Page 10 NRS70 Series SECTION 0 Product Support Request Form Name: * Company: Address Details: * Post/ZIP Code: Country: * Telephone: * Fax: Email: * Local S&W Center: * Product Name: * Switchers (i.e. Magic DaVE, Switchpack, Kahuna) Product Type: * File & Data Transfer Products (i.e. RollCall, Memphis & Asteroid) Video Products (i.e.
  • Page 11 NRS70 Series SECTION 0 Manual Revision Record Date Version No. Issue No. Change Comments 070503 First issue released 070803 Data installing enclosed Complete new manual issued balanced audio I/O rear added. NRS70OPS 070803 Version 1 Issue 2 www.snellwilcox.com 0.11...

  • Page 12: Description

    NRS70 Series SECTION 1 Description - NRS70/NRS70TX The NRS70 is a powerful frame-recursive noise reducer. Designed for use in live broadcast and The signal correction features include RGB gamut post-production operations, it also provides an legalizer, luminance and chrominance gain, black...
  • Page 13 NRS70 Series SECTION 1 Features - NRS70/NRS70TX 4:2:2 Noise reducer with frame synchronizer • • Powerful frame recursive noise reducer with automatic noise floor measurement Sophisticated motion detector seamlessly switches off the noise reduction in moving picture areas • •...

  • Page 14: Features

    NRS70 Series SECTION 2 Technical Profile NRS70 Versions Features Audio Controls Gain L & R Separate L & R controls for each Signal Inputs embedder 2 via BNC connector - SMPTE ± 6dB in 0.25dB steps 259M –1997 and embedded audio Invert L &...

  • Page 15: Specifications

    NRS70 Series SECTION 2 Composite Output VITS insert On / Off for 625 and 525 outputs Better than 35 dB to 5.8 MHz Return Loss Pass Vertical Data On / Off Free run frequency SECAM Bottles On / Off < 10ppm error SECAM Notch On / Off...

  • Page 16: Installation

    NRS70 Series SECTION 3 Installation Unpacking the NRS70 Supply Voltage The power supplies are auto switching for input The unit is packed in a single carton. The contents voltages in the ranges of 100 V to 250 V nominal. of the flight case are as follows: No voltage adjustment procedure is required.

  • Page 17: Removing And Fitting A Rear Connecting Panel

    NRS70 Series SECTION 3 Removing and fitting a rear connecting panel Warning: Remove power from the unit when performing these operations Removing a rear connecting panel 1. At the rear of the enclosure remove the screws securing the rear panel to the mainframe. 2.
  • Page 18 NRS70 Series SECTION 3 AES A & B (25 way D Rear Panel) All balanced audio connections are made via the 25 way D Connector. AUDIO 25 Way D Connection Details 25 Way D Connector Ribbon Cable Description Standard Pin Assignment Pin Number Strand Number CHASSIS...

  • Page 19: Output Connections

    NRS70 Series SECTION 3 OUTPUT CONNECTIONS Composite Outputs 1 & 2 COMPOSITE Two isolated composite outputs are available from these BNC connectors. Output level is standard 1V p-p into 75 Ohms. OUTPUTS SDI 1 & 2 These are the 2 SDI outputs of the unit via BNC connectors.
  • Page 20 NRS70 Series SECTION 3 COMMUNICATIONS CONNECTORS Remote 100-240V~ 60/50 Hz 1.8A This 9 pin `D' connector on the rear panel allows the unit to be connected to the RollCall 485 network T2A H 250V communications system. This connector may also be used as a RS422 port.

  • Page 21: Opening And Closing The Front Panel

    NRS70 Series SECTION 3 OPENING AND CLOSING THE FRONT PANEL To Open To Close Release the front panel by pulling the front panel Replace the front panel by pushing the front panel forward and downwards using the release handles rearwards and upwards using the release handles on either side of the front panel.

  • Page 22: Installing/Removing A Module

    NRS70 Series SECTION 3 INSTALLING/REMOVING A MODULE Internal View of Mainframe. Rear of Mainframe GPI/O COMPOSITE AES OUT AES IN 100-240V~ 60/50 Hz OUTPUTS AUDIO REFERENCE INPUTS 1.8A COMPOSITE T2A H 250V REMOTE Warning REFER TO USER MANUAL Before installing a new module into the enclosure BEFORE INSTALLING MODULES the Configuration Rules given below must be followed.
  • Page 23 NRS70 Series SECTION 3 Installing a New Module Warning Ensure that the power supply is switched OFF and the mains power connection at the rear of the unit is removed before these operations are attempted. 1. Before installing a new module consult the “Installing/Removing a Module”...

  • Page 24: Matching The Front Panel To A Gateway Address

    NRS70 Series SECTION 3 Matching the Front Panel to a Gateway Address If the NRS70 is to be used on a RollCall network with other equipment, it may be necessary to change the unit address to that of a vacant network slot in order to avoid confusion between units. If an address is already in use by the network the RollCall receive and transmit LEDs will flash alternately at a 1-second rate.

  • Page 25: Operation

    NRS70 Series SECTION 4 Operation THE CONTROL PANEL The spin-wheel Dedicated Push This LCD window Display Control allows parameters Buttons displays the parameters Buttons and menus to be and sub-menus that may displayed in the be selected by the push LCD window buttons and by the spin- wheel...
  • Page 26 NRS70 Series SECTION 4 CONTROL PANEL - GENERAL INFORMATION Pressing the Home button displays the home status screen in the display window from any position in the menu hierarchy. The Previous button allows a return to the last menu item that was changed. Up to 20 changed menu items may be retraced using this function.

  • Page 27: Browse

    Network. An example is shown below. ◀ NRS70 ▶ ◀ ▶ NRS70TX ◀ ▶ Another module/unit Pressing the Browse button will enable a display This allows connections to be made to other that shows the RollCall network. RollCall network addresses as demonstrated in this example.
  • Page 28 ◀ NRS70TX from the control panel. A connection may be made to a NRS70TX and This indicates that this unit is currently then controlled from this NRS70 front panel (soft connected to and locked by another control and hard button control).

  • Page 29: Menu System Diagram

    NRS70 Series SECTION 4 NRS70 MAIN MENU Output Input Input... Output... Input Select ProcAmp... Audio... Features... Status... Input Select... 625 Standard Setup... Memories... Setup... 525 Standard Setup... Serial Digital A Input Standards... Default Output... Serial Digital B Freeze Input Composite A Decoder...

  • Page 30: Front Panel Controls

    NRS70 Series SECTION 4 FRONT PANEL CONTROLS ◀ ◀ ◀ ◀ Input… INPUT (Composite a, b, SDI a, b, and YC) This function allows the input parameters to be set. These buttons allow the input signal connected to the rear panel to be selected for processing. Input A prolonged push of any of these buttons will Input Select...
  • Page 31 NRS70 Series SECTION 4 ◀ ◀ ◀ ◀ Decoder ◀ ◀ ◀ ◀ Input Standards This function allows settings to be made to the The decoder employs an auto standard detection decoder section. system. It will auto detect any of the standards that are checked in the list of standards.
  • Page 32 NRS70 Series SECTION 4 ◀ ◀ ◀ ◀ PAL Line 23 PAL Line 23 Process As Video Process as Data AutoDetect Blank Line 23 This item allows various options to be applied to line 23 of the input signal. ◀ ◀ ◀ ◀ Process As Video When enabled line 23 of the PAL input signal will be processed as active picture and the ProcAmp controls will effect line 23.

  • Page 33: Audio

    NRS70 Series SECTION 4 Audio There are 2 separate identical audio processing chains in the NRS70, Chain A and Chain B. The chain may be set to either stereo or mono source routing mode. Default Audio Source Selection If the audio source selected by the MUX is absent Audio pairs can be routed using stereo mode or the output will automatically default to the signal alternatively each audio channel (subframe) can be...
  • Page 34 NRS70 Series SECTION 4 Audio ▶ ▶ ▶ ▶ ◀ Source Chain A/B Left/Right This menu allows various audio functions to be set This menu allows any of the input audio sources to be selected for processing. Audio Source Chain A/B Left Source Chain A/B Right Output A...
  • Page 35 NRS70 Series SECTION 4 ◀ Gain L and Gain R ◀ ◀ ◀ ◀ Tone Setup This function allows the gain of the left and right This allows the characteristics of the tone used in channels to be adjusted independently. the Default Audio function, to be set.
  • Page 36 NRS70 Series SECTION 4 ◀ ◀ ◀ ◀ Delay Offset ◀ ◀ ◀ ◀ Output Status In addition to the delay compensating for the video This function allows the status of output A and path through the system, an extra audio delay output B to be displayed.
  • Page 37 NRS70 Series SECTION 4 Y GAIN (Luminance Gain) C GAIN (Chrominance Gain) Pressing this button will reveal a numerical readout Pressing this button will reveal a numerical readout display for the gain of the luminance signal. display for the gain of the chrominance signal. By rotating the spinwheel the gain may be adjusted By rotating the spinwheel the gain may be adjusted by ±3 dB in steps of 0.1 dB.

  • Page 38: Proc Amp

    NRS70 Series SECTION 4 ◀ YC Timing Y Gain, C Gain, Black Level and Hue Selecting this item will reveal a display showing the timing of the chrominance signal relative to the A prolonged push of any of the above buttons will luminance signal, (i.e.

  • Page 39: Noise Reduce

    NRS70 Series SECTION 4 NOISE REDUCE ◀ Recursive Threshold THRESHOLD This item allows Recursive noise reduction with This sets the noise reduction threshold of the automatic threshold to be applied to the Luminance recursive filters. and Chrominance channels. Recursive Threshold A momentary push of this button will toggle the Noise Reducer function ON or OFF.

  • Page 40: Memory

    NRS70 Series SECTION 4 Selecting a memory location will recall the settings ◀ Split Screen stored in the selected memory location and apply them to the unit. This function allows the effects of noise reduction to be easily seen by splitting the screen in half. Save…▶...

  • Page 41: Enhance

    NRS70 Series SECTION 4 ENHANCE A momentary push of this button will toggle the Enhance function ON or OFF. A prolonged push of this button will reveal the enhance menu. ◀ ◀ ◀ ◀ Enhance… Enhance Enable Enhance V Enhance... H Enhance...

  • Page 42: Genlock

    NRS70 Series SECTION 4 ◀ (PAL/PALN/SECAM/NTSC/PALM) SC Phase GENLOCK This function allows the relative phasing between the reference subcarrier and the output signal A momentary push of this button will toggle the subcarrier to be adjusted. Rotating the spin-wheel Genlock function ON or OFF. will adjust this value and the numerical display shows the phasing in degrees.

  • Page 43: Setup

    NRS70 Series SECTION 4 ◀ Min Blanking 525 SETUP When selected the blanking width will be reduced to the minimum allowed by CCIR 624 for the 525 Pressing this button will reveal the main menu that standard. allows other functions to be accessed. ◀...
  • Page 44 NRS70 Series SECTION 4 ◀ ◀ ◀ ◀ GPI ◀ Pass Vertical Data (active on analog outputs) This menu allows the 2 GPI inputs to be SDI Channel configured. Encoder Processing GPI1 Open... 1 Close... GPI2 Open... 2 Close... GPI 2 Select... VI Blanking Pass Vertical Data ◀...
  • Page 45 NRS70 Series SECTION 4 ◀ Line 10 to 20 Line 273 to 262 ▶ ◀ GPI 2 Select Selecting lines from this list will blank the VBI data on that line. This item allows the function of GPI 2 input to be changed.
  • Page 46 NRS70 Series SECTION 4 To save the new text, press the OK button. It ◀ ◀ ◀ ◀ RollTrack should be noted that this is the only way to save the new text as any other button function will return This function allows information about the status of to the previous menu without modifying the original the unit to be communicated to other RollTrack...
  • Page 47 NRS70 Series SECTION 4 ◀ ◀ ◀ ◀ Logging ◀ ◀ ◀ ◀ Preset Unit Selecting this item sets all functions that are Information about various parameters can be available at user level to their factory default made available to a logging device that is attached to the RollCall™...
  • Page 48 NRS70 Series SECTION 4 Output ▶ ◀ Default Output The output line standard will always be the same If the input signal fails the output may be as the detected input line standard. configured to become one of the items in this This menu allows the encoded formats for 625 or menu.
  • Page 49 NRS70 Series SECTION 4 ◀ ◀ ◀ ◀ Status Display 1, 2 Status ▶ ▶ ▶ ▶ When these are selected the display window will This menu allows information about the status of be as shown in the examples below. the unit to be displayed.
  • Page 50 NRS70 Series SECTION 4 ◀ ◀ ◀ ◀ GPI Delay ◀ ◀ ◀ ◀ Software Version GPI Delay Software Version GPI Delay Software Version x.x.x 18 ms This function will display the total audio delay Selecting this item reveals a display showing the through the unit in milliseconds.

  • Page 51: Rollcall Control Templates

    NRS70 Series SECTION 4 RollCall Control Templates for the NRS70 CONTROL Input Select This allows any of the 5 sources of video input signal to be selected for processing. Input Standard The decoder employs an auto standard detection system. It will auto detect any of the composite or SDI standards that are checked in the list of Input Standards.
  • Page 52 NRS70 Series SECTION 4 Proc Amp Note that for this and other screens the following applies: symbol represents the Preset function and will return the function to the default setting. symbols at the ends of the scroll bar allow the value to be adjusted in discrete steps. The numerical value will be shown above the scroll bars and selecting Preset will return the setting...
  • Page 53 NRS70 Series SECTION 4 Noise Reduction This screen allows various forms of noise reduction to be applied to the signal. Noise Reduction Noise Reduction Enable When enabled the noise reduction system will be active. Default is to Off Y Noise Reduction This item allows Recursive noise reduction to be applied to the luminance channel.
  • Page 54 NRS70 Series SECTION 4 Enhance Linear Enhance Selecting Enhance Enable will enable the settings of the Vertical and Horizontal enhance functions. Vertical Enhance This allows Vertical enhancement to be applied to the processed signal. The non-linear process prevents enhancement of low amplitude signals typical of noise.
  • Page 55 NRS70 Series SECTION 4 Decoder This function allows settings to be made to the color decoding section of the decoder. Auto Gain Control When this item is enabled the luminance gain will vary relative to the input peak white amplitude. This will maintain the output signal at a normalised level even though the input signal level may be above or below standard level.
  • Page 56 NRS70 Series SECTION 4 Encoder This screen allows various parameters of the encoding section to be set up. Encoder Options VITS 625 (on analog outputs only) When this function is selected the 625 standard VITS lines are inserted in the vertical interval. Minimum Blanking 625 When selected the blanking width will be reduced to the minimum allowed by CCIR 624 for the 625...
  • Page 57 NRS70 Series SECTION 4 Genlock This function allows various modes of genlock to be enabled. Genlock Genlock Enable When selected the unit will lock to an incoming reference signal. When not selected the output signal will be free-running. In this mode the frequency accuracy will be ±10 ppm.
  • Page 58 NRS70 Series SECTION 4 Memories This function allows a number of particular setups of the NRS70 to be saved and recalled. There are 8 memory locations available. To change the memory name, type the new name in the text area and then select (return).
  • Page 59 NRS70 Series SECTION 4 Audio Setup Tone Frequency This allows the frequency of the tone signal to be set. The range of adjustment is from 100 Hz to 10 000 Hz in steps of 100 Hz. Preset is to 400 Hz. Tone Level This allows the amplitude of the tone signal to be set.
  • Page 60 NRS70 Series SECTION 4 Audio A and Audio B These items allow various audio functions to be set up for the 2 audio processing chains. Audio A (B) Destination Selecting items in this menu allows the processed signal to be embedded into any one of the 8 pairs of the SDI signal.
  • Page 61 NRS70 Series SECTION 4 RollTrack 1-5 RollTrack 6-10 This function allows information about the status of the unit to be communicated to other RollTrack compatible modules connected to the network. This message can then be used to cause another unit to perform a specific action. Up to 10 RollTrack communication channels to compatible modules may be selected from the RollTrack 1-5 and 6-10 screens.
  • Page 62 NRS70 Series SECTION 4 This screen allows the 2 GPI inputs to be configured. GPI 1 and GPI 2 Open This function determines what happens when the selected GPI input condition changes from closed to open. No response. Memory 1 to 8 The unit will revert to the setup stored in the selected memory location.
  • Page 63 NRS70 Series SECTION 4 Logging And Preset Logging Information about 7 parameters can be made available to a logging device that is attached to the RollCall™ network. Preset Unit Selecting this item sets all functions that are available at user level to their factory default values.
  • Page 64 NRS70 Series SECTION 4 This function allows the user to select which vertical interval lines to pass through to the output and which lines to blank. 525 Pass This section allows lines 10 to 20 and lines 273 to 282 of 525 line signals to be selected and passed through to the output by checking the appropriate box.
  • Page 65 NRS70 Series SECTION 4 Pattern This function allows various patterns to be used as the output signal. Pattern Enable When this item is active a pattern, selected from the list, will become the output signal. NRS70OPS 070803 Version 1 Issue 2 www.snellwilcox.com 4.41...
  • Page 66 NRS70 Series SECTION 4 Status This screen displays information about the unit. Unit Temperature The internal temperature of the unit is continuously monitored. This item will display one of the following messages. Internal temperature within design limits. Near Limit Internal temperature approaching the upper design limit.
  • Page 67 NRS70 Series SECTION 4 Status (Display Information) Display Information This item allows the type of data that is displayed in the Information area to be chosen. Default When this item is selected the display window will show details about the Input Signal, Reference signal and the output as shown in the example below.
  • Page 68 NRS70 Series SECTION 4 Help Information Window Definitions This area shows abbreviated data about the status of the unit. Examples of abbreviations used are as follows: First Line Item 1: In (Input Selection) CVBS A Composite input A selected. CVBS B Composite input B selected.

  • Page 69: Modes Of Operation

    NRS70 Series SECTION 5 Modes of Operation The unit may be operated and controlled by three different methods. 2. Via the RollCall menu Structure 1. Via the dedicated front panel buttons (The NRS70/75 is supplied in this mode) Menus may be selected by the push buttons adjacent to the display and further menu selections Various selections may be made directly by a made by rotating a spinwheel and pressing the...
  • Page 70 NRS70 Series SECTION 5 Via a PC using the RollCall Templates The NRS70 may be controlled from a suitable RollCall compatible unit connected to the RollCall network. This configuration is shown below: information control home scroll modules help adjust power previous lock save...

  • Page 71: Rollcall Control Via A Pc

    NRS70 Series SECTION 5 RollCall Control via a PC For full details please see the operator’s manual for the IQSPCR, RollCall™ Software Installation Guide & Operational Overview IQSPCR is a PC application that runs under Windows 3.1x or 95. It allows full remote control of RollCall for this and other compatible units.
  • Page 72 NRS70 Series SECTION 5 Connect the RS232/RS422 converter to COM1 or COM2 of the PC and connect this via RS422 cable to the 9 pin ‘D’ on the IQ modular unit. This interface is specifically designed for third party connections into the system. This allows PC’s or any other serial device access to any of the units within the system.
  • Page 73 NRS70 Series SECTION 5 Software Installation Run SETUP.EXE from the installation diskette to install the suite of Rollcall programs. Product code IQSPCR contains the Rollcall Remote Control (rollcall.exe) and communications driver (commtrol.exe) programs. Product code IQSPCD contains the Rollcall Remote Control (rollcall.exe), communications driver (commtrol.exe), logserver (rolllog.exe) and logviewer (rollview.exe) programs.

  • Page 74: Advanced Front Panel Controls

    NRS70 Series SECTION 5 Advanced Front Panel Controls 1. Restart the front panel by holding down the C Gain and Hue buttons together. 2. Select Yes to the front panel question “Restart panel! Are you sure?” 3. Hold down the C Gain button to enter the setup mode. 4.
  • Page 75 NRS70 Series SECTION 5 standby mode and although not currently active are SETUP Sub-Menus locked to this control panel and may not be These are selected by pressing the button adjacent controlled by any other panel. to the desired function. The unit name (second text line of the control window display) may be displayed by scrolling Note that all these sub-menus include a SAVE...
  • Page 76 NRS70 Series SECTION 5 Default Unit Network On power-up the default unit will be automatically This function allows the front panel to be `hidden' connected, its menus retrieved and will be ready from the network system. In the Hide mode this for active control.
  • Page 77 NRS70 Series SECTION 5 Lock Controls From the main menu select Set Password This item allows the front panel to be locked-out To enter the Supervisor level and set up a such that it is inoperative. This function can only be password proceed as follows: entered in the Supervisor access mode.

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