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DVR-3901 Installation and Operation Manual

Chapter 6: Specifications

Embedded Audio Input

LTC Input

Table 6-3.

Embedded Audio Input

Item

Specification

Standard

SMPTE272M-A

Sample resolution

20/24 bits

Sample rate

48 kHz

Table 6-4.

LTC Input

Item

Specification

Standard

SMPTE12M

Connector

3 pin balanced

Number of inputs

Level

0.5 to 5 V pk-to-pk

Impedance

Hi-Z (>30 k

Ω

) or 600

Ω

Common mode range

8 V pk-to-pk

CMRR

40 dB at 60 Hz

Summary of Contents for NEO DVR-3901

Page 1: ...Delivering the Moment Installation and Operation Manual Neo DVR 3901 Digital Video Recorder Edition E 175 000152 00 ...

Page 2: ...nfoCaster Player Nexio InfoCaster Traffic Nexio InstantOnline Nexio mCAPTURE Nexio News Force Nexio NXIQ Nexio Playlist Nexio Remote Nexio RTX Net Nexio TitleMotion Nexio TitleOne Nexio Velocity ESX Nexio Velocity PRX Nexio Velocity XNG Nexio Volt OPTO Panacea Platinum Playlist Predator II GRF Predator II GX Punctuate Remote RTX Net QuiC Q SEE SD STAR Selenio Selenio 6800 SelenioNext Selenio X50 S...

Page 3: ...Edition E August 2005 DVR 3901 Digital Video Recorder Installation and Operation Manual ...

Page 4: ......

Page 5: ... History viii Writing Conventions ix Obtaining Leitch Documents x Unpacking the Module xi Safety Standards and Compliances xii Safety Terms and Symbols xii Chapter 1 Introduction Overview 1 Product Description 2 Main Features 3 Front and Back Modules 4 Front Module 4 Back Module 5 Signal Flow 6 Function Descriptions 7 Video 7 Audio 7 Monitor Output 7 Genlock 7 Time Code 7 ...

Page 6: ...Setting Jumpers 16 Jumper Locations 16 RS 422 PC Serial Cable Selection 17 LTC Input Termination Selection 17 Terminating LTC Output Port Termination 18 LTC Output Port Termination 18 Upgrading DVR 3901 Firmware 19 Upgrading the Firmware Discovery Method 19 Upgrading the Firmware Drag and Drop Method 21 Correcting a Failed Upgrading Procedure 23 Setting the Module to Fail Safe Loader Mode 23 Upgra...

Page 7: ...otion Control 51 ACK NAK 51 Device Type Request 52 Transport Commands 52 Variable Speed Commands 54 Time Commands 55 Status Sense Command 55 Chapter 5 Functions and Controls Overview 57 Functions and Controls 58 Video 58 Audio 59 Genlock and DARS 60 Audio Video Delay 61 Time Code 61 Video Compression 61 Storage 62 On Screen Display OSD 63 Online Operation Modes 65 Playlist mode 65 BVW Odetics Mode...

Page 8: ...io Input 73 LTC Input 73 Reference Video Input 74 Serial Digital Video Output 74 AES Audio Output 75 Embedded Audio Output 75 LTC Output 76 Monitoring Outputs 76 Hard Drive 77 RS 422 77 Power Consumption 78 Ethernet Port 78 Appendix A Tree View Navigation Overview 79 Navigating the Tree View 80 Tree View Parameters 81 Appendix B Servicing Instructions Overview 87 Replacing a DVR 3901 Hard Drive 88...

Page 9: ...etails the features installation operation maintenance and specifications of the NEO DVR 3901 Digital Video Recorder Audience This manual is written for engineers technicians and operators responsible for the installation setup maintenance and operation of the NEO DVR 3901 Digital Video Recorder ...

Page 10: ... Adobe Acrobat Reader Edition C July 2004 New material Off line media transfer through FTP UDP control through Ethernet Audio level control Video level and hue controls On screen display OSD added to monitoring video showing time code operation status and audio meter Built in frame synchronizer in EE mode Edition D March 2005 Addition of DvrPlyCtrl and DvrRecCtrl parameter Minor corrections to con...

Page 11: ...blications and first instances of new terms and specialized words that need emphasis CAPS Indicates a specific key on the keyboard such as ENTER TAB CTRL ALT DELETE Code Indicates variables or command line entries such as a DOS entry or something you type into a field Indicates the direction of navigation through a hierarchy of menus and windows hyperlink Indicates a jump to another location withi...

Page 12: ...ting Frames Installation and Operation Manual If your current NEO frame manual is Edition A B C or D you will need to download an updated version from the Leitch Web site to access this information Leitch documents can be viewed or downloaded from the Leitch Web site at www leitch com go to Support Documentation Alternatively contact your Leitch customer service representative to request a documen...

Page 13: ...issing or damaged Keep at least one set of original packaging in the event that a product needs to be returned for service If the original package is not available you can purchase replacement packaging from Leitch Technology Otherwise you can supply your own packaging as long as it meets the following criteria The packaging must be able to withstand the product s weight The product must be held r...

Page 14: ...anual Safety Terms and Symbols This manual uses the following safety terms and symbols See your NEO Safety Instructions and Precautions Guide for more information Table P 3 Safety Terms and Symbols Used in Manual WARNING Statements identifying conditions or practices that can result in personal injury or loss of life High voltage is present Uninsulated dangerous voltage within the product s enclos...

Page 15: ...kes effect on July 1 2006 and it refers to the following hazardous substances Lead Pb Mercury Hg Cadmium Cd Hexavalent Chromium Cr V1 Polybrominated Biphenyls PBB Polybrominated Diphenyl Ethers PBDE In accordance with this EU Directive all Leitch Technology products sold in the European Union will be fully RoHS compliant and lead free See the Leitch Web site www leitch com for more information on ...

Page 16: ...ical and electronic equipment at end of its useful life and must not dispose of the equipment in landfills or by using other unapproved methods Some EU member states may have different deadlines In accordance with this EU Directive Leitch Technology International Inc and other companies selling electric or electronic devices in the EU will affix labels indicating that such products must be properl...

Page 17: ...RU and 3RU rack mounted frames but that occupies only a single slot This chapter covers the following topics Product Description on page 2 Main Features on page 3 Front and Back Modules on page 4 Back Module on page 5 Signal Flow on page 6 Function Descriptions on page 7 Operation Modes on page 9 NEO VR Command CenterTM Application on page 10 ...

Page 18: ...to complement the modular line of video audio and signal processing products available for use in the NEO frame The DVR 3901 comes with a front module a back module and two fixed 2 5 in 6 35 cm IDE hard drives that are mounted on the NEO DVR front module The DVR 3901 comes with a VFD display at the front edge of the card This display provides a way for you to locally monitor and control the operat...

Page 19: ...simultaneously Video line standards 525 and 625 SDI Video input and output AES and embedded audio input and output LTC input and output NTSC and PAL B monitoring video standards with on screen display of time code operation status and audio meter The audio meter can be either a VU meter or a PPM meter Monitoring mono mixed audio on 1 RCA jack Genlock to reference video or SDI video input Video and...

Page 20: ...nt Module of the DVR 3901 Top view Nav Nav switch up down Extractor handle Escape button Module Status Minor Alarm Major Alarm Power SW1 Nav Nav Enter Esc MAJOR ALARM MINOR ALARM POWER MODULE STATUS Module indicators Remote Local switch LEDs Enter button REM LOC Card extractor Remote Local switch hidden behind extractor Front view 64 X 16 VFD submodule Visible display area Nav Nav switch up down E...

Page 21: ...y behind the front modules Back modules are designated by the suffix BM For example the back module of the DVR 3901 is the DVR 3901 BM The back module connections are shown below Figure 1 2 DVR 3901 BM Back Module φ φ DVR 3901 GENLOCK MONITOR VIDEO OUT SDI IN SDI RS 422 MONITOR AUDIO OUT IN 10T 100TX ETHERNET AES LTC OUT IN φ φ ...

Page 22: ...mux AES RX AES TX Composite Encoder LTC IN LTC OUT Module Controller RS 422 AES OUT AES IN SDI OUT SDI IN Monitor Video Card Edge CCS Controls Genlock Monitor Audio LTC RX LTC TX Frame Sync Video Proc Amp 10 100 Ethernet Audio DAC Video Compression Audio Proc Amp IDE Control Video Proc Amp Video Decompress AES EMB EE Mode 1 0 1 0 1 0 T B online online offline offline On Screen Display Media Mux Me...

Page 23: ...hue and color saturation See Video on page 58 for more information Audio The DVR 3901 supports one audio channel pair which can consist of one stereo pair or two independent audio channels You can use the provided RCA jack to monitor mono audio Audio proc amps are available on recording and playback Use the proc amps to adjust gain and phase inversion See Audio on page 59 for more information Moni...

Page 24: ...ontrols let you customize configurations and settings and provide card status information and alarms All the parameters are accessible at the card edge See Operation on page 27 for more information CCS PilotTM and CCS NavigatorTM These PC GUI software packages can be used to control configure and monitor various Leitch products Please see www leitch com for more information The NEO DVR 3901 can be...

Page 25: ...his method supports the same commands as the RS 422 controls but they are wrapped differently See UDP Control on page 49 for details on the UDP communication protocol Offline File Transfer The DVR 3901 s two drives can be put offline individually Once a drive is offline you can transfer video audio clips on that drive in and out of the drive through the Ethernet port See Offline File Transfer on p...

Page 26: ... CenterTM is the full version of the software that can only be enabled by a USB dongle plugged into the PC It is dedicated to playlist mode operations and supports playlist generation playlist editing clip trimming shotbox and FTP Read the Command Center manual from the Leitch website for more information Installing Adobe Acrobat Reader Adobe Acrobat Reader is available on the NeoVR Command Center...

Page 27: ...h Web site www leitch com to access this information In this chapter you can find information on the following topics Checking the Packing List on page 12 Installing DVR 3901 Modules on page 12 Removing DVR 3901 Modules on page 12 Making Connections on page 13 Setting Jumpers on page 16 Upgrading DVR 3901 Firmware on page 19 Correcting a Failed Upgrading Procedure on page 23 Caution Before install...

Page 28: ...ersion Four mating connectors for AES and LTC ports Installing DVR 3901 Modules This module requires no specialized installation procedures For general information about installing NEO modules see your NEO FR 3901 FR 3903 and FR 3923 Mounting Frames Installation and Operation Manual Removing DVR 3901 Modules This module requires no specialized removal procedures For general information about remov...

Page 29: ...k module and fasten the screws The jumper J6 should be positioned according to Setting Jumpers on page 16 Figure 2 6 shows the RS 422 pinouts Figure 2 1 RS 422 Cable Pinouts Note The DVR 3901 can also be controlled by Ethernet cables over using UDP For more information see UDP Control on page 49 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 RXA TXB RXB TXA RXB TXA TXB RXA...

Page 30: ... on the back module and the other end to the PC serial port See Figure 2 2 Figure 2 2 PC Serial Conversion Cable Pinouts Fasten all the screws The jumper J6 should be positioned according to Setting Jumpers on page 16 Frame GND Controlled device DVR 3901 RS 422 DB9 M Front view Controlling device PC RS 232 DB9 F Front view TXA RXB RX_GND Spare TX_GND TXB RXA Frame GND Shell RXD TXD DTR GND DSR RTS...

Page 31: ...ies The audio and LTC cables can be installed onto these connectors with a slot head screw driver The polarities for signal wiring are shown on the connectors themselves For LTC cables the NEO DVR 3901 supports both 600Ω or Low Z Hi Z cables See Setting Jumpers on page 16 for the correct impedance matching Note If you require more AES or LTC mating connectors please contact your Leitch representat...

Page 32: ...figuration you may need to change the settings of some or all of the J6 J7 J8 and J9 jumpers There is an on board silkscreen describing the jumper settings Jumper Locations The jumpers are located at the rear of the board See Figure 2 3 below Figure 2 3 Position of Jumpers on the Board Jumper settings silkscreen J9 J8 J7 J6 ...

Page 33: ... Input Termination Selection Follow this procedure to set the J7 jumper for selecting either Hi Z or 600Ω shunt impedance for the LTC input port 1 Locate jumper J7 on the module See Figure 2 3 on page 16 2 Place a jumper on pins 1 and 2 to set the module for Hi Z selection or pins 2 and 3 to set the module for 600Ω selection See Figure 2 5 below Figure 2 5 The J7 Settings for Hi Z and 600Ω selecti...

Page 34: ...00Ω selection LTC Output Port Termination Follow this procedure to set the J9 jumper for either Low Z or 600Ω series impedance for the LTC output port 1 Locate jumper J9 on the module See Figure 2 3 on page 16 2 Place a jumper on pins 1 and 2 to set the module for Low Z selection or pins 2 and 3 to set the module for 600Ω selection See Figure 2 7 below Figure 2 7 The J9 Settings for Low Z and 600Ω...

Page 35: ...g Procedure on page 23 Upgrading the Firmware Discovery Method Follow these steps to upgrade the firmware using the Discovery method 1 Download the most recent appropriate upgrade package from the Leitch Web site or from your CD ROM and then unzip the upgrade package 2 If the affected module has not been discovered perform the Discovery operation as described in your CCS software application manua...

Page 36: ...s box browse and select the fl0 folder in the module s upgrade package 3 Click OK 4 Select the files shown in the Add Upgrade Files box and then click OK 5 Select and delete unwanted files for example vxWorks lzs in the Add upgrade files for transfer to device field by clicking Remove 6 Click Perform Transfer and then click Yes 7 Wait for the message File transfer to device succeeded This may take...

Page 37: ...k the device icon and then select Properties 4 On the NRO or Device tab of the Navigation Properties box enter the IP address of the frame that holds the module See Figure 2 8 Figure 2 8 Navigation Properties Box 5 In the last field enter the slot number of the module and then close the window 6 Double click the device icon The Configuration window opens On the Software Upgrade tab the slotx boot ...

Page 38: ...lot number directory in the Select the device directory to transfer to field 2 Click Add and in the Add Upgrade Files box browse and select the fl0 folder in the module s upgrade package 3 Click OK 4 Select the files shown in the Add Upgrade Files box and then click OK 5 Select and delete unwanted files for example vxWorks lzs in the Add upgrade files for transfer to device field by clicking Remov...

Page 39: ...are performing this procedure check the appropriate readme file to confirm which files are needed Use care to ensure that you upload the correct files to the intended module Setting the Module to Fail Safe Loader Mode Follow these steps to set a NEO module to the fail safe loader mode 1 Remove the affected module from the NEO frame 2 Press the Nav switch down while simultaneously pressing both the...

Page 40: ...st field enter the slot number of the module and then close the window 6 Double click the device icon The Configuration box opens On the Software Upgrade tab the slotx boot where x is the slot number directory appears in the Select the device directory to transfer to field 7 Click Add and in the Add Upgrade Files box browse and select the boot folder in the module s upgrade 8 Click OK 9 Select the...

Page 41: ...K 7 Select and delete unwanted files for example vxWorks lzs in the Add upgrade files for transfer to device field by clicking Remove 8 Click Perform Transfer and then click Yes 9 Wait for the message File transfer to device succeeded This may take a moment 10 Click Reboot Device and then click Yes 11 Wait 30 seconds and then close the Configuration box The module name appears at the card edge Not...

Page 42: ...26 DVR 3901 Installation and Operation Manual Chapter 2 Installation and Removal ...

Page 43: ...e Leitch Web site www leitch com to access this information This chapter describes how to operate the DVR 3901 module using card edge controls The following topics are found in this chapter Operation Notes on page 28 Navigating the Operator and All Lists on page 29 Operator and All List Parameters on page 30 Setup Parameters on page 40 Alarms on page 41 Module Status LEDs on page 43 Note For descr...

Page 44: ...setting mode See Operator and All List Parameters on page 30 for a list of the default settings that you activate when setting RstSetting to Yes Changes in some parameters will cause additional changes in other parameters or lock them out entirely See Functions and Controls on page 57 for more information on these cross functional parameter changes State Recovery Parameter Availability The paramet...

Page 45: ...ion in the list appears 4 Push the Enter button again to access the options for the parameter displayed on the VFD screen OR Press the Nav Nav switch down repeatedly to view other parameters and then press Enter to access an item s parameter options 5 Press the Nav Nav switch up or down to scroll through the different selectable parameter options and then press Enter to select the value you want O...

Page 46: ...ble parameters Parameters accessed only from within the All List are shaded in gray See Navigating the Operator and All Lists on page 29 for instructions on navigating this list using card edge controls Note You can reset the default values for all of the parameters automatically via the RstSetting parameter see page 39 Table 3 1 Operator and All List Parameters Card Edge ID Parameter Name Functio...

Page 47: ...Size RO Disk Size Returns the Disk size 0 0 GB to 655 35 GB DiskStatus RO Disk Status Returns the disk status OK Full Malfunctn DiskUsed RO Disk Used Space Returns the Disk used space 0 0 to 100 0 DmxChSel Aud DeMux ChPair Sel Audio DeMux Channel Pair Select ChPair 1 ChPair 2 DmxDBNCtrl Aud DeMux DBN Control Controls the handling of the DBN Data Block Number Alert Ignore DmxErr RO Aud DeMux Err St...

Page 48: ...s audio demux group number Group 1 Group 2 Group 3 Group 4 DropMode Drop Mode Time Code Set time code to drop frame mode On Off DskFullErr RO Disk Full Error Indicates that the disk is full On Off DskMalErr RO Disk Malfunction Indicates that the disk has malfunctioned Yes No DvrOpMode DVR Operation Mode Sets DVR Operation Mode Playlist BVW Odetic Table 3 1 Operator and All List Parameters Card Edg...

Page 49: ...nown GlVPrsnt RO GL Video Present Returns the presence of the video signal from the external reference source Yes No HPhase Horizontal Phase Adjusts the horizontal timing 525 mode 0 to 63 518 µs 625 mode 0 to 63 963 µs IP_Addr IP Address IP address String IP_Mask IP Mask IP mask String IPGateAddr IP Gateway IP gateway String LoopPlayEn Loop Playback Enable Enables Loop Playback Yes No LTC_Input LT...

Page 50: ...o 9 Large 0 to 8 depending on font size 6 OSD_VUGtop OSD VU Green Bar Top On screen display green bar top position 40 to 3 clip 18 OSD_VUYtop OSD VU YellowBar Top On screen display VU yellow bar top position 20 to 3 clip 6 OSDTxtDisp OSD Text Display Activate or deactivate on screen display s text display On Off OSDTxtPosX OSD Text Position X On screen display horizontal position Small 0 to 34 Lar...

Page 51: ...l Adds a pedestal to the monitoring video output On Off Ply_AP Aud ProcAmp for Play Audio ProcAmp for Play Enabled Disabled Ply_VP Vid ProcAmp for Play Video ProcAmp for play Enabled Disabled PlyAVDelay Ply AudioVideo Delay Play audio video delay 40 to 40 ms clip 0 PlyY_Offst VP Play Luma Offset Video proc amp play luma offset 448 to 448 clip 0 PlyY_Gain VP Play Luma Gain Video proc amp play luma ...

Page 52: ...mp for Rec Video proc amp for record Enabled Disabled RecY_Offst VP Rec Luma Offset Video proc amp record luma offset 448 to 448 clip 0 RecY_Gain VP Rec Luma Gain Video proc amp record luma gain 128 to 511 clip 256 RecGain1 Record Gain Ch 01 Audio Gain adjustment for recording channel 01 18 0 to 18 0 dB clip 0 RecGain2 Record Gain Ch 02 Audio Gain adjustment for recording channel 02 18 0 to 18 0 d...

Page 53: ...c amp record white clip 940 to 1019 clip RecBlkClip VP Rec Black Clip Video proc amp record black clip 4 to 64 clip RecC_Clip VP Rec Chroma Clip Video proc amp record chroma clip 448 to 507 clip RefVid Reference Video Selects reference video format CardRef SDI In Freerun SdiPrsnt RO SDI IP Video Present Returns the presence of the SDI input signal Yes No SdiStdFb RO SDI IP Video Std Fb Returns the...

Page 54: ... mismatch Ok Err ToneEnable Tone Enable Enables the audio tone generator On Off ToneFreq Tone Freq Set Adjust the frequency of the selected audio tone generator 20 Hz to 20000 Hz 1000 Hz ToneGain Tone Gain Adjust the gain of the selected audio tone generator 40 dB to 0 dB UseSrcTC Use Source Time Code Enables user source time code during playback On Off VidBitRate Video Bit Rate Selects video bit ...

Page 55: ...playback functionality Stop Play EE On Prev Next StepFwd StepRev ShutleFwd ShutleRev Jog Fwd Jog Rev DvrRecCtrl DVR Record Control Controls DVR record functionality Stop Record Setup Setup Parameters Sets the parameters for display and usability see Appendix A Tree View Navigation for a complete list of Setup parameters and factory default settings Various Table 3 1 Operator and All List Parameter...

Page 56: ...tment modes Browse modes Scroll modes Display intensity Parameter descriptions Name FrameIP Sync full About mode In Appendix A Tree View Navigation see the section Setup on page 86 for the structure of the Setup menu See your NEO FR 3901 FR 3903 and FR 3923 Mounting Frames Installation and Operation Manual for more information on Setup items including descriptions and operation notes Note Setup pa...

Page 57: ...ol panels are consistent If the DVR 3901 module is set for local control the alarm settings will appear the same at both the card edge and via CCS but the settings can only be changed using the card edge controls If the module is set for remote control the alarm settings can be changed via both the card edge and CCS control software and control panels Alarm configuration settings undergo DejaView ...

Page 58: ...t of alarms and then select Reset 3 Press Enter to activate the selection The following table lists the default alarms for the DVR 3901 module You can enable or disable these settings but you cannot change the level of the alarm Table 3 2 Default DVR 3901 Alarms Card Edge Alarm ID Name of Alarm Alarm Level Meaning DARSLckErr DARS Lock Error Major DARS lock error DmxErr Demux Error Major Demux erro...

Page 59: ...elected to AES IN and DARSLckErr is No Off AES audio is absent and AudInSrc is not selected to AES IN and DARSLckErr is No Flashing Green AES audio input is present and DARSLckErr is Yes Flashing Red AES audio input is absent and DARSLckErr is Yes EMB AUD IN Green Embedded audio input is present Red Embedded audio input is absent or in error and AudInSrc is selected to Embedded Off Embedded audio ...

Page 60: ...it is not connected to the network T STATUS Green Top hard drive is online Flashing Green Top hard drive is recording Amber Top hard drive is offline Off Top hard drive is not detected B STATUS Green Bottom hard drive is online Flashing Green Bottom hard drive is recording Amber Bottom hard drive is offline Off Bottom hard drive is not detected Table 3 3 LED Indicator Descriptions Continued LED De...

Page 61: ...a PC controller RS 422 or serial control is set via jumper J6 See RS 422 PC Serial Cable Selection on page 17 The following topics are found in this chapter Control Port Assignment on page 46 RS 422 Communication Protocol on page 47 Motion Control on page 51 Note For descriptions of the most used functions and procedures of the DVR 3901 see Chapter 5 Functions and Controls on page 57 ...

Page 62: ...he DVR will grant access to the first controller that sends commands to it and assign the corresponding control port to be the active control port To switch between an RS 422 port and a UDP port set the CtrlPort command in Pilot or use the card edge controls to make that port active From any port a controller can set a new active port by sending a CtrlPort command Please refer to the DVR 3901 Auto...

Page 63: ...ta format and command protocol used by Sony and other manufacturers Command Block Format Table 4 1 describes the command block format for messages sent via the RS 422 Communication Protocol Electrical interface TIA EIA 422 B Data format 38 400 bits per second 38 4 kbps Asynchronous full duplex communications Command protocol Odd parity 8 data bits 1 stop bit Table 4 1 Command Block Format 1 Byte 1...

Page 64: ... For commands and responses that contain variable data the checksum byte is denoted in the table as uu Note Only some motion commands are described in this manual For the full list of commands supported please refer to the DVR 3901 Automation Control Developer s Manual Table 4 2 Summary of CMD 1 Categories CMD 1 hex Function Direction 0 System control To DVR 3901 1 System control response From DVR...

Page 65: ...ld Format Description ID 4 bytes unsigned MSB first This field contains he ID number of a command or response It should have different values for adjacent commands For example this field can be an incrementing count number modulo 2 32 unless the command is a retry of the previous command for example resulting from a response time out The retried command will bear the same ID number as the original...

Page 66: ... failed command using the same identification number or proceed to the next command using a new identification number If the DVR 3901 receives two or more consecutive commands bearing the same identification numbers it will only execute and respond to the first instance after which it will simply return duplicates of the first response for every subsequent instance without actually executing them ...

Page 67: ...ng basic control commands ACK NAK The tables following often refer to an ACK or NAK The recorder returns an ACK acknowledge or NAK negative acknowledge for commands that do not return a specific response containing for example time code or status information There are different forms of a NAK for different communication errors Table 4 4 ACK and NAK Response Examples Data Hex Explanation ACK 10 01 ...

Page 68: ...r D1 625 Table 4 6 Transport Commands Command Data Hex Explanation STOP 20 00 20 PLAY 20 01 21 Play forward at 1X play speed REC 20 02 22 FAST FWD 20 10 30 Playlist mode seek to last frame in play list BVW Odetics mode go to the last frame of video or the last frame of video in the current Odetics ID if Odetics ID is used STEP FWD 20 14 34 Advance one frame forward up to OUT point REWIND 20 20 40 ...

Page 69: ...ys relative to the first frame of the play list For example to cue to time 01 22 33 15 enter 24 31 15 33 22 01 FULL EE OFF 20 60 80 Has no effect FULL EE ON 20 61 81 Switch to pass through mode where video and audio at configured video inputs is visible at the video and audio outputs Table 4 6 Transport Commands Continued Command Data Hex Explanation ...

Page 70: ...te or two bytes of speed data may be provided Two byte speed data gives greater speed resolution most useful at lower play speeds As a point of reference 40 hex defines normal playback speed 20 hex defines 1 10 play speed 60 hex defines 10 times play speed Table 4 7 Variable Speed Commands Command Data Hex Jog Fwd 21 11 xx uu 22 11 xx xx uu Var Fwd 21 12 xx uu 22 12 xx xx uu Shuttle Fwd 21 13 xx u...

Page 71: ... hexadecimal as 15 33 22 01 Status Sense Command The data byte xx of this command specifies which status bytes the recorder will send See Table 4 9 The most significant four bits indicate the first byte to be returned The least significant four bits indicate the number of status bytes to send For example a data byte of 25 hex causes the recorder to send bytes 2 through 6 Table 4 8 Time Code Comman...

Page 72: ...le 4 10 Format of Status Data Byte No Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 Busy Hard Error Local 1 1 Stop Rewind Fast Forward Record Play 2 1 Shuttle Jog Variable Play 0 fwd 1 rev Still Cue Complete 3 Auto Mode Out Preset In Preset 4 Full EE On Review Preview Preroll 5 Insert 6 7 8 9 Preview Out Preset Preview In Preset 0D Start of Timeline End of Timeline ...

Page 73: ...is chapter describes the most used functions of the DVR 3901 and how to customize them The following topics are found in this chapter Functions and Controls on page 58 Online Operation Modes on page 65 Offline File Transfer on page 69 Exception Handling on page 70 Firmware Upgrade on page 70 ...

Page 74: ...ines for the DVR 3901 video system via the parameter VidStdSet The SDI input and output must comply with the video system selection For SDI input the card edge LED SDI IN and the parameter SdiPrsnt indicate if SDI input is present The parameter SdiStdFb indicates the detected video standard at SDI input When the SDI input video standard is different than the VidStdSet the StdSetErr will be turned ...

Page 75: ...nel pair using the AudInSrc parameter The card edge LED AES IN and the parameter AES_Prsnt indicate the presence of valid AES audio input The card edge LED EMB AUD IN and the parameter DmxErr show the status of embedded audio at the SDI input You can use the parameter DmxDBNCtrl to turn off a data block number DBN error as some embedder equipment does not generate DBNs that comply to SMPTE172M Use...

Page 76: ... path They can be enabled or disabled by the parameters AP_Rec and AP_Play Once a parameter is set to Enabled you can adjust the audio level and invert the phase for the left and right channels Genlock and DARS Use the RefVid parameter to lock the video to the selected video source on the DVR 3901 using the Genlock circuit This video source can be reference video input SDI video input or free runn...

Page 77: ...time code generation The use of time code differs in different operation modes See Online Operation Modes on page 65 for details Video Compression The DVR 3901 uses the ndustry standard M JPEG baseline as its video compression method You can find out the compression ratio from the CompRatio parameter It can range roughly from 4 1 to 10 1 For the D1 525 system the video lines 17 to 262 of each fiel...

Page 78: ...ore Use DiskOnline to select which drive s are online and which are offline Online Drives Online drives record and play back video and accept transport Odetics and playlist commands coming from an RS 422 or Ethernet port If both drives are online they are merged as a single disk space and the merged drive is given drive letter M A single recording can span two drives The resulting file is split in...

Page 79: ... before shipment However if you are installing new hard drives you must format them prior to use To format a drive follow this procedure 1 If the disk is offline switch it to online mode using the card edge parameter DiskOnline 2 Format the disk using the card edge control parameter FormatDisk This command formats the online disk It takes one or two seconds On Screen Display OSD The DVR 3901 can d...

Page 80: ...seconds in 625 line standard The audio meter shows the audio levels for both the left and right channels Each channel displays three sections colored red yellow and green Adjust the level of top of yellow and top of green through OSD_VUYTop and OSD_VUGTop respectively Adjust the position of the audio meter window via OSD_VUPosX and OSD_VUPosY and use OSD_Opaque to adjust its opacity String Display...

Page 81: ...fferent video bit rate settings You can adjust the parameter VidBitRate at any time If you change the bit rate during recording the change takes effect in the next recording In either mode use the SlowMoDisp parameter to select different display capabilities when the video is played back at less than 1x play speed including stepping forward and backward and still frames The recommended setting is ...

Page 82: ...nabled recording is only made to the available disk space not the whole disk space The available disk space can be viewed as a wrap around tape New video will be recorded onto the available disk space over and over Old recordings outside of the available disk space won t be deleted or recorded over Once the recording is stopped the final video recorded is only as long as the available disk space F...

Page 83: ...amlessly Playlist construction is a basic form of nonlinear cuts only editing Any mode can be switched to Playlist mode so that recordings can be managed in a nonlinear editing fashion In Playlist mode you can enable the parameter LoopPlayEn to play the selected playlist in a loop around fashion Deleting Clips In Playlist mode the only way to remove clips at card edge is by using the FormatDisk co...

Page 84: ...ion of a video on the disk has no relationship to that video s position in the 24 hour time code In BVW Odetics mode when you record material with the same time code as previously recorded video the DVR 3901 deletes the previously recorded material with identical time codes This deletion does not occur until after a recording is complete Consequently it is not possible to overwrite a video recordi...

Page 85: ...s of video clips if switched back to BVW Odetics mode Video recorded in Clip Mode cannot be played back in BVW Odetics mode Offline File Transfer When one or both drives are put offline you can transfer clips in and out of the DVR 3901 s drives through the Ethernet port The transfer may occur between two DVRs or between a DVR and a PC You can use the NEO VR Command Center software to access all th...

Page 86: ...If your DVR 3901 loses video genlock during playback and CardRef is selected for the RefVid parameter the output video will freerun Firmware Upgrade You can upgrade to new firmware using CCS Pilot or by card edge ethernet connection Leitch Customer Support staff will help you with your new firmware upgrades After you download new firmware reboot the module via CCS Pilot or by disconnecting it from...

Page 87: ...S Audio Input on page 72 Embedded Audio Input on page 73 LTC Input on page 73 Reference Video Input on page 74 Serial Digital Video Output on page 74 AES Audio Output on page 75 Embedded Audio Output on page 75 LTC Output on page 76 Monitoring Outputs on page 76 Hard Drive on page 77 RS 422 on page 77 Power Consumption on page 78 Ethernet Port on page 78 Specifications and designs may change witho...

Page 88: ...nent Connector BNC Number of inputs 1 Level 800 mV 10 Impedance 75Ω Return loss 18 dB to clock frequency CMRR 30 V pk to pk up to 60 Hz Equalization Automatic up to 300 M coax Table 6 2 AES Audio Input Item Specification Standard AES 3 Connector Leitch 3 pin balanced connector Number of inputs 1 Sample resolution 16 20 24 bits Sample rate 32 44 1 48 96 kHz Level 2 to 7 V pk to pk Balanced impedanc...

Page 89: ...mbedded Audio Input Item Specification Standard SMPTE272M A Sample resolution 20 24 bits Sample rate 48 kHz Table 6 4 LTC Input Item Specification Standard SMPTE12M Connector 3 pin balanced Number of inputs 1 Level 0 5 to 5 V pk to pk Impedance Hi Z 30 kΩ or 600Ω Common mode range 8 V pk to pk CMRR 40 dB at 60 Hz ...

Page 90: ...f inputs 1 Level 1 V pk to pk 3 dB Impedance 75Ω CMR 5 V pk to pk CMRR 60 dB at 60 Hz Return loss 35 dB to 6 MHz Table 6 6 Serial Digital Video Output Item Specification Standard SMPTE259M C 525 625 component Connector BNC Number of outputs 1 Level 800 mV Impedance 75Ω Return loss 18 dB to clock frequency Rise and fall times 0 75 to 1 5 ns Drive capacity up to 250 m Belden 8281 DC offset within 0 ...

Page 91: ...ification Standard AES 3 Connector Leitch 3 pin balanced connector Number of outputs 1 Sample resolution 20 bits Sample rate 48 kHz Level 4 5 V pk to pk Jitter 4 ns 0 025UI Rise fall time 5 to 30 ns 10 to 90 Balanced impedance 110Ω Table 6 8 Embedded Audio Output Item Specification Standard SMPTE272M A Sample resolution 20 bits Sample rate 48 kHz ...

Page 92: ...ndard SMPTE12M Connector 3 pin balanced Number of outputs 1 Level output into 1 kΩ 2 V pk to pk Low Z 1 25 V pk to pk 600Ω Impedance Low Z 25Ω or 600Ω Transition time 40 4 µs measured at 10 and 90 amplitude Overshoot undershoot 3 Table 6 10 Monitoring Output Item Specification Monitoring video connector BNC Monitoring audio connector 1 RCA jack ...

Page 93: ... 35 cm IDE Hard drive model See the Leitch Web site or contact your service representative for a list of certified hard drive models Table 6 12 RS 422 Item Specification Protocol Sony Odetics subset Connector DB 9 Standard TIA EIA 422 B Input impedance 4 kΩ Input common mode voltage 7 V Maximum input amplitude 10V common 12V differential Output impedance 100Ω Output amplitude 2 to 10 V Output shor...

Page 94: ...hapter 6 Specifications Power Consumption Ethernet Port Table 6 13 Power Consumption Item Specification Power up 24 0 W max Record play operation 19 0 W max Idle 16 4 W Table 6 14 Ethernet Port Item Specification Standard IEEE 802 3u Connector RJ45 ...

Page 95: ...ree View is a multi level list of parameters arranged in the following main groups Audio on page 81 Data on page 82 Other on page 83 Timecode on page 83 Video on page 83 Setup on page 86 See page 40 for more information on the use of Setup parameters which govern the operation of the card edge controls This appendix consists of instructions for navigating the lists see page 80 and the Tree View Pa...

Page 96: ... Three and Four 7 If the parameter is selectable slide the bar to the desired parameter using the Nav Nav switch OR Select the desired item in the Level Four list and then press Enter Once the Level Four parameter is set or viewed you can leave the parameter in its current state or return to the banner To return to the NEO VR banner repeatedly press the Escape button Close the front panel again af...

Page 97: ...ating the Tree View Audio DeMultiplx DmxChSel Options ChPair 1 ChPair 2 DmxDBNCtrl Options Alert Ignore DmxErr RO Options None DBN Chksum Parity DmxGrpPres RO Options 4 3 3 4 2 2 4 2 3 2 3 4 1 1 4 1 3 1 3 4 1 2 1 2 4 1 2 3 1 2 3 4 DmxGrpSel Options Group 1 Group 2 Group 3 Group 4 Monitoring AES_Prsnt RO Options Yes No AmonMode Options Left Right Mixed Multiplex EmbEn Options Yes No EmbGrpSel Optio...

Page 98: ...abled PlyAVDelay Range 40 to 40 ms clip 0 Rec_AP Options Enabled Disabled RecGain1 Range 18 0 to 18 0 dB clip 0 RecGain2 Range 18 0 to 18 0 dB clip 0 RecInv1 Options Yes No RecInv2 Options Yes No TestGen ToneEnable Options On Off ToneFreq Range 20 Hz to 20000 Hz 1000 Hz ToneGain Range 40 dB to 0 dB Data Other Ctrl_Port Options RS 422 UDP IP_Addr Options String IP_Mask Options String IPGateAddr Opt...

Page 99: ... Other DvrOpMode Options Playlist BVW Odetic LoopPlayEn Options Yes No SloMoDisp Options Normal F1F1F2F2 F1 Only 3 2 PuDn RstSetting Options Yes No DvrPlyCtrl Options Stop Play EE On Prev Next StepFwd StepRev ShutleFwd ShutleRev Jog Fwd Jog Rev DvrRecCtrl Options Stop Record Timecode Other DropMode Options On Off LTC_Input Options Internal External LTC_Prsnt RO Options Yes No UseSrcTC Options On O...

Page 100: ... 2 OSD_VUPosY Range Small 0 to 9 Large 0 to 8 depending on font size 6 OSD_VUGtop Range 40 to 3 clip 18 OSD_VUYtop Options 20 to 3 clip 6 OSDTxtDisp Options On Off OSDTxtPosX Range Small 0 to 34 Large 0 to 19 depending on font size 2 OSDTxtPosY Range Small 0 to 13 Large 0 to 11 depending on font size 2 OSDUsrDisp Options On Off Pedestal Options On Off SdiPrsnt RO Options Yes No SdiStdFb RO Options...

Page 101: ...Clip Range 940 to 1019 clip PlyBlkClip Range 4 to 64 clip PlyC_Clip Range 448 to 507 clip Rec_VP Options Enable Disable RecY_Offst Range 448 to 448 clip 0 RecY_Gain Range 128 to 511 clip 256 RecHue Range 180 to 180 deg wrap 0 RecC_Gain Range 0 to 511 clip 256 RecVPStart Range Line 20 to 23 for 525 Line 20 to 25 for 625 Line 22 RecWhtClip Range 940 to 1019 clip RecBlkClip Range 4 to 64 clip RecC_Cl...

Page 102: ...alErr if alarm has occurred GlVPrsnt if alarm has occurred SDIPrsnt if alarm has occurred StdSetErr if alarm has occurred Nav Mode Navigation Mode Options Oper List All List Tree View SelPar Adj Mode Adjust Mode Options Immediate Delayed Brws Mode Browse Mode Options Param List Param Val Scrl Mode Scroll Mode Options Wrap Don t Wrap Disp Inten Display Intensity Options 100 50 25 12 Param Desc Para...

Page 103: ...ing the hard drives only use drives that have been tested and recommended by Leitch For a list of approved drives please contact your Leitch sales representative To replace one or both of the DVR 3901 hard drives use the procedure for Replacing a DVR 3901 Hard Drive on page 88 Note Older versions of DVR 3901 shipped with two 40 GB hard drives Note Replacement of the DVR 3901 hard drives by anyone ...

Page 104: ...le See your NEO FR 3901 FR 3903 and FR 3923 Mounting Frames Installation and Operation Manual 3 Remove the four screws visible from the top of the assembly See Figure B 1 below Figure B 1 Location of Screws for Step 3 4 Carefully pull the complete hard drive assembly toward the front of the module until the assembly is touching the front edge of the cutout hole 5 Lift the assembly up and away from...

Page 105: ...the assembly 8 The mounting of the new hard drive s and assembly is the reverse of the above procedure Be careful to align the connector to the mating connector in the DVR 3901 module Top hard drive screw 1 of 4 Hard drive screws Bottom hard drive screw 1 of 4 Top hard drive screw 1 of 4 Bottom hard drive screw 1 of 4 Hard drive screws Note Follow the handling instructions located on the hard driv...

Page 106: ...90 DVR 3901 Installation and Operation Manual Appendix B Servicing Instructions ...

Page 107: ...liance and certification information xii compression ratio 61 video 8 Configuration window 19 25 control port assignment 46 correcting a failed upgrade 23 cue up with data 53 current time sense command 55 D DARS 60 DB 9 connector 47 default settings for alarms 42 DejaView 41 device type request 52 disabling or enabling alarms 42 Discovery method of upgrading 19 20 drag and drop method of upgrading...

Page 108: ...ing x module description front and back 4 module installation 12 N navigating parameter lists 29 80 Navigation Properties box 21 24 NEO VR Command Center 10 non drop frame time code 61 O Odetics mode 68 offline file transfer 9 offline operations 69 on screen display online drives 62 online status on screen display 63 operation modes 65 OSD See on screen display output audio 7 output video 7 P pack...

Page 109: ...grading 19 25 Sony protocol 9 state recovery of alarms 28 41 status sense command 55 step fwd command 52 step rev command 52 stop command 52 synchronizing alarms 41 T time code 7 61 commands 55 on screen display 63 time commands 55 timeout 50 tone 60 transport commands 52 Tree View parameter list 81 U UDP remote control 49 unpacking xi upgrading firmware 19 25 70 V var fwd command 54 var rev comma...

Page 110: ...94 DVR 3901 Installation and Operation Manual Index ...

Page 111: ......

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