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NRS70 Series

SECTION 1

NRS70OPS

070803 Version 1 Issue 2

www.snellwilcox.com

1.2

Features - NRS70/NRS70TX

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4:2:2 Noise reducer with frame synchronizer

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Powerful frame recursive noise reducer with automatic noise floor measurement

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Sophisticated motion detector seamlessly switches off the noise reduction in moving picture areas

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Recursive, median and sparkle filters included with option to enable sparkle filter constantly without
compromising picture quality.

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Linear horizontal and vertical enhancer

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Broadcast quality 12-bit encoder

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Synchronizes up to 4 channels of audio with the noise reduced video

Содержание NRS70

Страница 1: ...rk 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 For Technical assistance contact Tel 44 0 2392 489058 Fax 44 0 2392 489057 Web http www snellwilcox com support Ftp ftp ftp snellwilcox com support NRS70 and NRS70TX Digital Noise Reducer Frame Synchronizer ...

Страница 2: ...ng vorhanden ist Es befinden sich keine vom Benutzer zu wartenden Teile im Geräteinneren Dieses Gerät sollte nur von geschultem Personal gewartet werden Um das Risiko eines Elektroschocks zu reduzieren setzen Sie das Gerät weder Regen noch Feuchtigkeit aus Stellen Sie immer sicher dass das Gerät ordnungsgemäß geerdet und verkabelt ist Dieses Equipment muss an eine Netzsteckdose mit Schutzleiter an...

Страница 3: ...ten har två huvudsakliga elförsörjningar säkerställ att båda strömkablarna som är inkopplade i enheten arbetar från samma fas S CAUTION RISK OF ELECTRIC SHOCK DO NOT REMOVE COVERS NO USER SERVICEABLE PARTS REFER SERVICING TO QUALIFIED PERSONNEL ONLY Säkerhetsvarningar L N E N L E Stickkontakt Hane Stickkontakt Hona Forklaring på sikkerhedssymboler Dette symbol gør brugeren opmærksom på vigtig info...

Страница 4: ...om cabo de alimentação com ficha IEC fêmea standard num extremo e uma ficha IEC macho standard no extremo oposto Se for necessário substituir ou alterar alguma destas fichas deverá remove la e elimina la imediatamente de maneira segura O código de cor para os condutores é o seguinte Condutor VERDE AMARELO ligado a E Terra Condutor AZUL ligado a N Neutro Condutor CASTANHO ligado a L Vivo Atenção Se...

Страница 5: ...llowing 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 front rack ears or Fit the unit using the rear rack mount kit available from Snell Wilcox by quoting the order code FGACK RACK MNT KIT This product must not be rack mounted using only the front rack ears ...

Страница 6: ...udios and the rural outdoor environment far away from railways transmitters overhead power lines etc E4 The applicable environment is stated in the Technical Profile section of the product operation manual under EMC Performance Information Environment EMC Performance Information Please refer to the Technical Profile Specifications section of the product operation manual EMC Performance of Cables a...

Страница 7: ...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 R...

Страница 8: ...onnections 3 5 Opening and Closing the Front Panel 3 6 Installing Removing a Module 3 7 Matching the Front Panel to a Gateway Address 3 9 4 Operation The Control Panel 4 1 Using the Dedicated Push Buttons 4 3 Browse 4 3 Menu System diagram 4 5 Front Panel Controls Input 4 6 Audio 4 9 Y Gain Black Level C Gain and Hue 4 14 Proc Amp 4 14 Noise Reduce 4 15 Memory 4 16 Enhance 4 17 Genlock 4 18 Setup ...

Страница 9: ...being monitored System Please provide a brief description of the system in which your S W equipment is currently being used Basic Tests Preset Unit Please use the Preset Unit function to return the settings back to the factory default RollCall Is your unit currently connected to a RollCall capable PC This software is obtainable for free and provides a very user friendly GUI for virtually all S W e...

Страница 10: ...duct Type Video Products i e Modular Kudos Plus and Alchemist Unit Serial Number Fault Spare Part Information please advise us how many units show this fault and the system layout showing all other manufacturers products e mail Preferred Method of Contact Phone Item is required Please mail to Snell Wilcox Ltd Southleigh Park House Eastleigh Road Havant Hants PO9 2PE United Kingdom Service Contact ...

Страница 11: ...03 Version 1 Issue 2 www snellwilcox com 0 11 Manual Revision Record Date Version No Issue No Change Comments 070503 1 1 First issue released 070803 1 2 Data for installing enclosed balanced audio I O rear added Complete new manual issued ...

Страница 12: ...daptive comb filter to ensure optimum decoding performance The signal correction features include RGB gamut legalizer luminance and chrominance gain black level NTSC hue vertical and horizontal enhancers Y C horizontal timing and picture position Rugged sync and clock recovery ensure reliable operation with unstable and noisy inputs Signals can be output as digital component SDI or as broadcast qu...

Страница 13: ...atic noise floor measurement Sophisticated motion detector seamlessly switches off the noise reduction in moving picture areas Recursive median and sparkle filters included with option to enable sparkle filter constantly without compromising picture quality Linear horizontal and vertical enhancer Broadcast quality 12 bit encoder Synchronizes up to 4 channels of audio with the noise reduced video ...

Страница 14: ...edium High Recursive Threshold Auto 7 manual levels Enhance On Off Memories 8 locations Genlock On Off Browse Setup Audio Controls Gain L R Separate L R controls for each embedder 6dB in 0 25dB steps Invert L R Separate L R controls for each embedder On Off Mute L R Separate L R controls for each embedder On Off Disable Separate controls for each embedder On Off Default Output Separate controls fo...

Страница 15: ...CAM Chroma Prefilter On Off Decoder Controls Input Standard Auto Manual PAL NTSC NTSC J PALM PALN N443 SECAM ACC On Off AGC On Off NTSC Hue 30 VBI Pass Selectable pass or blank for each vertical interval line Noise Reducer Controls Y Noise Reduction Level Off Low Medium High C Noise Reduction Level Off Low Medium High Sparkle Filter On Off Median Filter On Off Recursive Threshold Level Auto 8 manu...

Страница 16: ...SCURED Supply Voltage The power supplies are auto switching for input voltages in the ranges of 100 V to 250 V nominal No voltage adjustment procedure is required CAUTION THIS UNIT MUST NOT BE OPERATED WITHOUT AN EARTH CONNECTION Fuse 100 240V 60 50 Hz 1 8A T T2A H 250V EMOTE I O Rack Mounting the 1U Enclosure The product must not be rack mounted using only the front rack mounting ears When instal...

Страница 17: ...Secure the panel with the fixing screws Warning The rear of the enclosure must have a full complement of rear panels fitted when powered up INPUT CONNECTIONS Composite A and B These are the 2 Composite video inputs to the decoder module via BNC connectors Nominal input level is 1 V p p terminated in 75 Ohms Separated Y C A Y C S VHS Hi 8 etc input signal may be connected to the unit via 2 BNC conn...

Страница 18: ...ed 13 GND4 CH 20 Unused 14 GND5 8 Unused 15 5 21 Unused 16 5 9 AES OUT A 17 6 22 AES OUT A 18 6 10 AES OUT A Gnd 19 GND6 23 AES OUT B Gnd 20 GND7 11 AES OUT B 21 7 24 AES OUT B 22 7 12 Unused 23 8 25 Unused 24 8 Reference Inputs 525 and 625 When suitable signals are connected to these inputs the video output of the unit will be fully synchronised to the relevant signal source when the genlock func...

Страница 19: ...HS Hi 8 output signal is available via these 2 BNC connectors marked Y and C Y output level is a nominal 1 V p p into 75 Ohms C output is a nominal colour burst level into 75 Ohms AES A B BNC Rear Panel The unbalanced audio outputs can be configured to be AES input A B embedded audio or internally generated test tone AES A B 25 way D Rear Panel All balanced audio connections are made via the 25 wa...

Страница 20: ...Modes of Operation RollCall This single BNC connector allows the unit to be connected to the RollCall network communications system GPI I O 1 and 2 These BNC connectors provide GPI input and output control for the module Both GPI1 and GPI2 may be configured as inputs that will allow memory locations to be recalled GPI2 may be configured as an output and will provide an audio delay flag representin...

Страница 21: ... Release the front panel by pulling the front panel forward and downwards using the release handles on either side of the front panel To Close Replace the front panel by pushing the front panel rearwards and upwards using the release handles on either side of the front panel Ensure that the panel is fully seated in the case ...

Страница 22: ...ted Configuration Rules These rules limit the total power dissipation of modules that can be installed in the box Use the module power ratings to calculate the total power dissipated in the enclosure Module Power Rating The power rating for each module is given in its associated operation manual Available Power The Enclosure has 70 W of available power The power ratings of each module should be ad...

Страница 23: ...the enclosure in the vacant aperture and secure with the fixing screws provided 9 At the front of the enclosure ensuring correct orientation carefully slide in the new module until it fully mates with the rear connector panel 10 Slide the module retaining plate upwards or downwards as appropriate to cover the card entry slots 11 Tighten the screw securing the module retaining plate 12 Replace the ...

Страница 24: ...d which is located behind the front panel Position 0 on the left hand switch will disable the RollCall function on the unit Addresses 00 to 0F are pre arranged All other positions on these switches may be used to set the unit address in hex 3 Restart the front panel by holding down the C Gain and Hue buttons together 4 Select Yes to the front panel question Restart panel Are you sure 5 Hold down t...

Страница 25: ...ed with the chosen function For example holding down the Pattern button will reveal the Pattern selection menu Note that some buttons do not have an ON OFF function e g SETUP in this case a momentary push will reveal the associated menu USING THE MENU SYSTEM The system may be considered structured as a set of menus and sub menus that are displayed in the LCD window See NRS70 Menu System drawing on...

Страница 26: ...a numerics may be changed using the spinwheel If a menu title is followed by three dots e g Input Standards this indicates that a further sub menu is available for selection Display Window The display window displays all selection menus sub menus and unit status information The selection is made by pressing the button adjacent to the required item and will become highlighted reversed text when act...

Страница 27: ...at shows the RollCall network Note the browse button will remain illuminated to indicate that the unit being controlled is not the default unit This allows connections to be made to other RollCall network addresses as demonstrated in this example Note that if the Browse button is held down the connection will return to the default unit Default unit is a menu item in section 5 page 5 6 NRS70 NRS70T...

Страница 28: ...rk please consult the operating manual for IQ Modular Shoebox The symbols used are shown below This symbol represents a gateway to a module This indicates that the unit is currently connected to this control panel Pressing the adjacent button will disconnect the unit from the control panel This indicates that this unit is currently connected to and locked by another control panel This shows that t...

Страница 29: ...Pair 2 SDI Pair 3 SDI Pair 4 SDI Pair 5 SDI Pair 6 SDI Pair 7 SDI Pair 8 Source Chain A B L R Source 1L Source 1R Source 2L Source 2R Source 3L Source 3R Source 4L Source 4R Source 5L Source 5R Source 6L Source 6R Source 7L Source 7R Source 8L Source 8R AES INPUT AL AES INPUT AR AES INPUT BL AES INPUT BR Audio Output A Output B Tone Setup Delay Offset Output Status Combine Group Output A B Stereo ...

Страница 30: ... any of these buttons will reveal the Input Menu Note that these buttons are mutually exclusive and only one of the inputs may be selected Input This function allows the input parameters to be set Input Input Select Input Standards Freeze Input Decoder Input Select This allows any of the 5 sources of video input signal to be selected for processing Composite a b SDI a b and YC Input Select Serial ...

Страница 31: ... standard i e the output signal will be at a line rate of 625 if the detected input signal has a line rate of 625 similarly the output signal will be at a line rate of 525 if the detected input signal has a line rate of 525 NTSCJ When this function is enabled the decoder will correctly process a NTSCJ signal an NTSC signal without pedestal Freeze Input This function toggles between a normal pictur...

Страница 32: ...mation will not be decoded from a Composite or Y C source Blank Line 23 When enabled line 23 of the PAL input signal will be blanked NTSC Line 21 283 This item allows various options to be applied to line 21 283 of the input signal 625 AutoDetect NTSC Line 21 283 Process As Video Process as Data Blank Line 21 283 Process As Video When enabled line 21 283 of the input signal will be processed and t...

Страница 33: ...tely adjustable by 6 dB Invert Left and right separately to normal or invert polarity signal Mute Left and right separately to mute or pass signal Disable Left and right signals will both be disabled Default Audio If the audio source selected by the MUX is absent the output will automatically default to the signal selected in the Default Audio menu Tone The output will be the tone as set by the To...

Страница 34: ...n Src Chain A Right then the Src Chain A Left is not changed i e each channel is selected independently Note that if the routing mode is changed the Mux selection will not actually change until a new input source chain selection is made Source Chain A B Left Right This menu allows any of the input audio sources to be selected for processing Source Chain A B Left Source 1L Source 1R Source 2L Sourc...

Страница 35: ...ce Disable This menu function defines what the output signal will become under these conditions It can be either an internally generated Tone or Silence or to Disable no signal is embedded Preset is to Disable Tone Setup This allows the characteristics of the tone used in the Default Audio function to be set 625 AutoDetect Tone Setup Amplitude Frequency Right Channel Ident The frequency and amplit...

Страница 36: ...dio delay will be shown in the GPI section of the status display see page 4 26 GPI Delay Output Status This function allows the status of output A and output B to be displayed Output A Status Output B Status Output Status The status of the selected output will be shown in the window Output A B Status Output A B Staus audio chan status a b OK Examples of messages are as follows Muted pair 2 Default...

Страница 37: ...mV Preset Black Level Selecting Preset returns the setting to the calibrated value of 0 C GAIN Chrominance Gain Pressing this button will reveal a numerical readout display for the gain of the chrominance signal By rotating the spinwheel the gain may be adjusted by 3 dB in steps of 0 1 dB Chroma Gain 0 0 dB Preset Chroma Gain Selecting Preset returns the setting to the calibrated value of 0 HUE Pr...

Страница 38: ...cture Position YC Timing Timing Enable When this item is selected text highlighted the timing values will be enabled Picture Position Selecting this item will reveal a display showing the timing of the picture position relative to the normal value in nanoseconds Rotating the spin wheel will adjust this value Picture Position 0ns Preset Picture Position Range is from 592 ns in 148 ns steps Selectin...

Страница 39: ...s settings are C Medium and Y Medium Recursive Threshold or THRESHOLD This sets the noise reduction threshold of the recursive filters Recursive Threshold 5 Preset Recursive Threshold The range of adjustment is from Auto 0 to 7 units Preset is to Auto 0 Note that applying a high threshold level may assist with extremely noisy images however this may result in plain areas appearing flat Sparkle Fil...

Страница 40: ...locations Recall Recall M1 Recall M3 Recall M5 Recall M7 Recall M2 Recall M4 Recall M6 Recall M8 Selecting a memory location will recall the settings stored in the selected memory location and apply them to the unit Save This will reveal a list of the memory locations Save Save M1 Save M3 Save M5 Save M7 Save M2 Save M4 Save M6 Save M8 Selecting a memory location will save the settings and store t...

Страница 41: ...ssed signal The non linear process prevents enhancement of low amplitude signals typical of noise V Enhance V Enhance Off V Enhance Low V Enhance Med V Enhance High The amount of enhancement may be selected as Off None Low Medium and High H Enhance This allows Horizontal High Frequency and Horizontal Medium Frequency enhancement to be applied to the processed signal The non linear process prevents...

Страница 42: ...lay showing the horizontal timing of the output signal relative to the reference sync signal in nanoseconds Rotating the spin wheel will adjust this value H Phase 0 ns Preset H Phase The range is 113 µs in steps of one cycle of subcarrier this ensures the correct SC H timing is maintained Selecting Preset returns the setting to zero output coincident with reference Note that the Preset Unit functi...

Страница 43: ...t this insertion takes priority over the Pass Vertical Data function Min Blanking 625 When selected the blanking width will be reduced to the minimum allowed by CCIR 624 for the 625 standard Min Blanking 525 When selected the blanking width will be reduced to the minimum allowed by CCIR 624 for the 525 standard PAL I Blanking When this item is enabled blanking will conform to the PAL System I stan...

Страница 44: ...rst 100 Ramp Black Pattern Enable When this item is selected text highlighted the selected pattern will become the output signal GPI This menu allows the 2 GPI inputs to be configured GPI GPI1 Open GPI2 Open GPI 2 Select 1 Close 2 Close GPI 1 and GPI 2 Open This function determines what happens when the selected GPI input condition changes from closed to open GPI 1 2 Open OFF Memory 2 Memory 4 Mem...

Страница 45: ...g VI Blank 525 This function reveals a menu that allows individual 525 standard vertical interval lines to be selected VI Blank 525 Blank All Line 10 to Line 20 Pass All Line 273 to Line 282 Blank All When selected all VBI data lines will be blanked Pass All When selected all VBI data lines will be passed Line 10 to 20 Line 273 to 262 Selecting lines from this list will blank the VBI data on that ...

Страница 46: ...text and the spinwheel used to select the character To save the new text press the OK button It should be noted that this is the only way to save the new text as any other button function will return to the previous menu without modifying the original text The Preset button sets the text line to the default value The Clear function sets the text line to all zeros RollTrack Params To make the desti...

Страница 47: ...be available for the logging device Log Reference When activated a presence or loss of reference signal condition will be notified to any logging device Log EDH Errors When activated EDH error data will be notified to any logging device Log AES Input When activated AES input status condition will be available for the logging device Log Audio Data about the embedded audio presence will be available...

Страница 48: ...5 line output standard 525 Standard Setup 625 AutoDetect 525 Standard Setup NTSC PALM NTSCJ N443 This allows the 525 line composite standard to be selected when operating in the 525 line output standard When the NTSCJ is selected the encoder will produce an NTSCJ signal an NTSC signal without a pedestal Default Output If the input signal fails the output may be configured to become one of the item...

Страница 49: ...hat if Pattern Black or Freeze has been forced because of an input signal failure the words will be prefixed by an asterisk e g Pattern Black or Freeze If the proc amp controls are not preset then UnCal appears in the display Status Display 1 2 When these are selected the display window will be as shown in the examples below Status Display 1 Status Display 2 Status Display EDH When selected the in...

Страница 50: ...his will display the status of the audio auxiliary data e g 1 2 5 7 A Each number corresponds to an embedded audio input pairs presence in the selected SDI The presence of the letters A B corresponds to the AES inputs Software Version Software Version Software Version x x x OK Selecting this item reveals a display showing the version of the software fitted in the module Select OK to return to the ...

Страница 51: ...tween PAL and NTSC standards Other standards will not be decoded and will produce an unstable lock To force the unit to decode only one standard check that standard and uncheck all others Note that at least one standard must be selected if an attempt is made to uncheck all items the last standard selected will remain checked and become the only standard to be decoded Note also that for NTSC signal...

Страница 52: ... may be adjusted by 6 dB in steps of 0 1 dB Selecting Preset returns the setting to the calibrated value of 0 Black Level By using the scroll bar the pedestal may be adjusted by 100 mV in steps of 1 mV Selecting Preset returns the setting to the calibrated value of 0 Chroma Gain By using the scroll bar the gain may be adjusted by 3 dB in steps of 0 1 dB Selecting Preset returns the setting to the ...

Страница 53: ...d with edge of reception signals from satellite feeds impulse noise or drop outs from tape recorded signals Median When selected sparkle concealment is enabled that employs a threshold controlled 3 dimensional median filter This permits the removal of picture disturbances that the normal sparkle detection algorithm may miss For example low level sparkles will be concealed The Median filter is part...

Страница 54: ...ancement may be set to Off None Low Medium or High Horizontal Middle Enhance This allows Horizontal enhancement to be applied to middle frequencies of the processed signal The non linear process prevents enhancement of low amplitude signals typical of noise The amount of enhancement may be set to Off None Low Medium or High Horizontal High Enhance This allows Horizontal enhancement to be applied t...

Страница 55: ...e adjusted by 30 in steps of 1 Selecting Preset returns the setting to the calibrated value of 0 PAL Line 23 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 Process as Data When selected line 23 is passed unprocessed and the ProcAmp controls will not effect Line 23 The Chroma information will not be deco...

Страница 56: ...tical interval Minimum Blanking 525 When selected the blanking width will be reduced to the minimum allowed by CCIR 624 for the 525 standard SECAM Options Notch Filter Disable When selected the SECAM luminance notch filter will be disabled Preset Unit is to notch filter OFF Bottles Enable This function allows the SECAM V colour ident signal Bottles to be switched ON or to OFF Preset Unit is to Bot...

Страница 57: ...1 9 lines in steps of one cycle of subcarrier Genlock Offset Phase PAL ns Scroll Bar also PALN NTSC PALM These items allow adjustment of the horizontal timing of the output signal relative to the reference sync signal in nanoseconds The range is 1 9 lines in steps of one cycle of subcarrier this ensures the correct SC H timing is maintained Selecting Preset returns the setting to zero output coinc...

Страница 58: ... return the text to the default name This function clears the memory location and returns to the default preset setting This function saves the current settings of all items at a memory location This function recalls the settings saved at a memory location Note that all the above functions are momentary actions Selecting this item sets all functions that are available at user level to their factor...

Страница 59: ... ms to 160 ms in steps of 1 ms Preset is to 0 ms Right Ident When enabled the right channel will be identified by the signal being muted for 0 5 second every 2 5 seconds Combine Group Two pairs in the same group can be presented in two valid but different ways in the Ancillary data combined or not combined The Combine Group function allows the user to specify which one of these two alternatives th...

Страница 60: ... if the routing mode is changed the Mux selection will not actually change until a new input source chain selection is made Audio A B Source Left Right This menu allows any of the input audio sources to be selected for processing Tone Enable This will enable the internal tone as set by the Tone Frequency and Tone Amplitude function in the Audio Setup screen Audio A B Left Gain This function allows...

Страница 61: ...ur local Snell Wilcox agent The unit address has three sets of numbers For example 0000 35 02 The first set 0000 is the network segment code number The second set 35 is the number identifying the enclosure mainframe unit The third set 02 is the slot number in the unit Parameter To make the destination unit perform a particular function a RollCall command number must be entered using this function ...

Страница 62: ...to closed OFF No response Memory 1 to 8 The unit will revert to the setup stored in the selected memory location Select GPI 2 Function This item allows the function of GPI 2 input to be changed Input Enable When selected GPI 2 will function normally in the same manner as the GPI 1 input Audio Delay Output Enable When selected GPI 2 will provide an output signal that remains high for a duration cor...

Страница 63: ...ging 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 e g this function will not change any genlock phase adjustment settings ...

Страница 64: ...ugh to the output by checking the appropriate box For line 23 controls see page 4 31 All This section allows all vertical interval lines to be selected and either passed to or blanked from the output signal Pass 525 Selecting this item will select all vertical interval lines in the 525 line list and allow them to be passed through to the output Pass 625 Selecting this item will select all vertical...

Страница 65: ...S 070803 Version 1 Issue 2 www snellwilcox com 4 41 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 ...

Страница 66: ...nd rectified GPI Delay This displays the total audio delay through the unit in milliseconds It is comprised of the Audio Delay Offset and the measured video delay Ancil Status This will display the status of the audio auxiliary data e g 2 4 A B Software Version This item shows the version of the software fitted in the NRS70 Serial Number This item shows the serial number of the NRS70 Build Number ...

Страница 67: ...s follows EDH This is the state of the input error detection handler None No EDH information present OK No EDH errors Err An EDH error has occurred Err The number of EDH errors that have occurred since the last EDH reset E Time This is time since EDH was reset in Hours Minutes Seconds Preset EDH Stats This will reset the EDH error count and the timer shown in the information window to zero Status ...

Страница 68: ...AM Output is a SECAM composite signal NTSC Output is a NTSC composite signal NTSCJ Output is a NTSCJ composite signal PALM Output is a PAL M composite signal Item 2 Ref Reference signal information OK Reference signal is valid and the unit is genlocked A reference signal error or no reference has been detected while trying to genlock wl Waiting lock Off Genlock is Off Third Line The third line wil...

Страница 69: ...wheel and pressing the adjacent push button The spinwheel also allows continuously variable parameters e g Gain to be adjusted and the setting to be seen in the LCD window 3 Via a PC using the RollCall Templates All operational parameters and selections may be made on the RollCall system via a PC Selecting the Mode of Operation 1 2 Via the dedicated front panel buttons and the RollCall menu Struct...

Страница 70: ...ry browse C gain setup SDI NRS70 NOISE REDUCER scroll adjust home previous return hold for menu threshold enhance noise reduce level The following methods may be used to disconnect a front panel A Using the Controlling Unit The new controlling unit PC Active Front Panel etc in Supervisor Mode may be used to disconnect the control from the NRS70 front panel For details of this operation please cons...

Страница 71: ... installed PC running Microsoft Windows 3 1x or Windows 95 Either a RollCall PC card IQCPC or a RS232 to RS422 9 way converter fitted to the PC Connecting the hardware There are two choices for connecting the PC to the Modular IQ System 1 75 Ohm co axial cable BNC for box to box connections running at 2 5 Mbs 3RU box PC 1RU box 75 Ohm T pieces 75 Ohm terminator 75 Ohm terminator 75 Ohm sections 75...

Страница 72: ...Physical Interface RollCall RS422 For reference the A signal is at 0V at line idle and the B signal at 5V 1 6 2 7 3 8 4 9 5 1 6 2 7 3 8 4 9 5 9 Way Ribbon connections TxA Pin 2 RxB Pin 3 GND Pin 1 TxB Pin 7 RxA Pin 8 Standard Connections 9 way Connector FUNCTION 1 Frame Ground 2 Transmit A Tx 3 Receive B Rx 4 Receive Common 5 No connection 6 Transmit Common 7 Transmit B Tx 8 Receive A Rx 9 Frame G...

Страница 73: ...her S W units with RollCall gateway Each unit has a control template window for control of that device The user can configure the program for USER ENGINEER or SUPERVISOR access levels with password protection It can install template files from new units automatically or by user request ROLLLOG EXE This is the Log Server application that collects logging information from units on the network Keeps ...

Страница 74: ...l 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 When the message Setup mode is displayed release the C Gain button 5 Momentarily press the C Gain button 6 The menu structure of the front panel is shown below ...

Страница 75: ...ed in the same way When the name has been set to that required press the SAVE function to save the name Note that to remove a character and leave a clear space in the text line the Clear function above Preset should be used The Preset function returns the text to the original data Auto Connect The Auto Connect menu allows a number of units to be automatically connected to the control panel at powe...

Страница 76: ...hting of the display windows to set by rotating the spinwheel to the following modes OFF Backlight always Off Use this mode where ambient light level is high ON Backlight always On Use this mode where ambient light level is low to improve text visibility AUTO Backlight will normally be On but will default to Off after 2 minutes The backlight will return to Auto On whenever any front panel control ...

Страница 77: ...levels From the main menu select Set Password To enter the Supervisor level and set up a password proceed as follows 1 Power down the unit 2 Hold down the YC button and power up the unit Continue to hold down the button for a few seconds while powering up 3 From the main menu select Access Level 4 Using the spinwheel select Supervisor and press Save 5 From the main menu select Set Password 6 The d...

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