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Wegener 4600 User's Reference Manual

Digital media receiver / decoder
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UNITY 4600 DIGITAL MEDIA
RECEIVER / DECODER
USER'S REFERENCE MANUAL

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  • Page 1     UNITY 4600 DIGITAL MEDIA RECEIVER / DECODER USER'S REFERENCE MANUAL...
  • Page 2 Unity4600 is a trademark of WEGENER Communications, Inc. All Rights Reserved. All other trademarks are the property of their respective owners. The Wegener Unity 4600 is approved under FCC Part 15B Class A, UL/C-UL1950 3rd Edition, and CE [EN60950, EN55022(94), and EN55024(98)].
  • Page 3 Unity 4600 User’s Manual wegener.com 800032-01 Rev. C...
  • Page 4 Unity 4600 User’s Manual This page intentionally blank 800032-01 Rev. C wegener.com...

  • Page 5: Table Of Contents

    Monitoring and control ........36 Figure 3.1 Unity 4600 Functional Block Diagram ..37 wegener.com...
  • Page 6 LCD screen content ........39 Figure 3.4 Unity 4600 Top-level Screens ....40 Home and default screens .

  • Page 7: Chapter 1 General Information

    Chapter 1 General Information 1.1 Manual Overview This manual provides instructions and reference information for the proper installation and operation of the Wegener Model Unity 4600 Digital Media Receiver/Decoder, referred to throughout this manual as the Model U4600 or U4600.

  • Page 8: U4600 Overview

    The U4600 is housed in a standard, 1 RU, rack-mountable chassis. Its front Description panel (see Figure 1.1 The Unity 4600 Digital Media Receiver/Decoder ) pro- vides a user interface through six push buttons and an LCD as well as monitor- ing through both audio and video ports.

  • Page 9: U4600 Specifications

    Unity 4600 User’s Manual 1.3 U4600 Specifications Table 1: Technical Specifications Characteristic Specification POWER Voltage 90-132 or 175-264 VAC auto-detect/selected 60/50 Hz ± 2% Frequency Consumption < 35 watts typical with full LNB DC load & QPSK receiver TRANSPORT IN OPTIONS...
  • Page 10 Unity 4600 User’s Manual Table 1: Technical Specifications Characteristic Specification COMPOSITE VIDEO OUTPUT Output Level 1.0 V , ± 2% 75 Ω Output Impedance NTSC: From 0.5 to 4.2 MHz: ≤ ±0.8 dB Multiburst PAL-B: From 0.5 to 4.8 MHz: ≤ ±1.2 dB ≤...
  • Page 11 Unity 4600 User’s Manual Table 1: Technical Specifications Characteristic Specification DTMF OUTPUT Type Low-Z balanced output DTMF tones 16 tone-pairs, std. telco DTMF Tone Timing < 230 ms to generate 4 tone-pair sequence +8 to –2 dBm into 600 Ω; software adjustable in step incre-...
  • Page 12 Unity 4600 User’s Manual Table 1: Technical Specifications Characteristic Specification ALARM/CUEING RELAYS One relay dedicated to indicate unit ALARMS and two relays dedicated to user control (such as cueing). The ALARM relay automatically de-energizes for alarm conditions so that power loss to the unit indicates as an alarm.

  • Page 13: Table 2 Transport In Options

    Unity 4600 User’s Manual Table 2: Transport In Options Characteristic Specification DVB-QPSK RECEIVER OPTION (No RF Switch) RF INPUT Input Impedance 75Ω unbalanced Input VSWR, 75-Ω system < 2.1:1 (9.0 dB R.L. min), 950-1450 MHz < 3.0:1 (6.0 dB R.L. min), 1450-2150 MHz...
  • Page 14 Unity 4600 User’s Manual Table 2: Transport In Options Characteristic Specification LNB DC POWER (supplied on RF center conductor) Activation User- or network-controlled selectable: ON or OFF Voltage ~ +18.7 VDC nominal at no loading, +18.0 VDC min. at max...
  • Page 15 Unity 4600 User’s Manual Table 2: Transport In Options Characteristic Specification RF TUNING Input Frequency Range 950 to 2150 MHz ≤ -60 dBm LO Leakage at Input Symbol-rate Range 1 to 30 Msps (may be limited by Transport Rate limits)
  • Page 16 Unity 4600 User’s Manual Table 2: Transport In Options Characteristic Specification Max E @ Quasi-error-free threshold 1. DVB-QPSK QPSK R=1/2: 4.5 dB, (less than one uncorrected error-event per QPSK R=2/3: 5.0 dB, hour) QPSK R=3/4: 5.5 dB, QPSK R=5/6: 6.0 dB, QPSK R=7/8: 6.4 dB...
  • Page 17 Unity 4600 User’s Manual Table 2: Transport In Options Characteristic Specification TURBO PSK RECEIVER WITH 4-PORT SWITCH OPTION RF SWITCH INPUT 4-port, single-throw switch Input Impedance 75Ω unbalanced Isolation, port-to-port > 45 dB, 950-1450 MHz > 40 dB, 1450-2150 MHz Input VSWR, 75-Ω...

  • Page 18: Safety Summary

    Unity 4600 User’s Manual 1.4 Safety Summary The U4600 is designed for safe use with few special precautions required of the user. The following items are basic precautions to use when installing and working with your U4600: Do not open the U4600 chassis cover.
  • Page 19 "decoder" to decompress MPEG elementary streams (from within said transport streams) in order to recreate the original audio/video/data signals. The Unity 4600 is an IRD. Keep-alives Simple COMPEL network messages, addressed to "all", bearing date and time.These are...
  • Page 20 MPEG Moving Picture Experts Group - refers to the method of video compression established by this group. (The Unity 4600 utilizes the MPEG2 format for video.) Network Protection A non-volatile setup parameter whose value is “Shared” or “Protected” (or “not Shared”).
  • Page 21 Unity 4600 User’s Manual Table 3: Glossary of Terms Term Definition Program A single media stream (combination of audio, video, data, etc.) tied to a common time base. Program Number A numerical code representing a program. PSI Tables A group of information-bearing tables, each borne by well-known PIDs, regularly trans- mitted in the transport stream.
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  • Page 23: Chapter 2 Installation

    Chapter 2 Installation This chapter provides instructions on unpacking, mounting, and connecting your U4600 as well as connector information including detailed pinouts. 2.1 Unpacking and Inspection Carefully unpack the unit and its ac power cord and inspect for obvious signs of physical damage that might have occurred during shipment.
  • Page 24 Unity 4600 User’s Manual DANGER To avoid damage to this and other equipment, or personal injury, the following items should be strictly observed. Elevated Operating Ambient When equipment is installed in a closed or multi-unit rack assembly, the operating ambient of the rack environment may be greater than the room ambient.

  • Page 25: Rack Mounting

    Unity 4600 User’s Manual Rack Your U4600 is sized at a single RU and will fit an EIA-standard, 19-inch-wide Mounting equipment rack. a) First install angle brackets or cross-supports capable of supporting both the unit and its connecting cables. Screw or bolt the supports securely to the equipment rack.

  • Page 26: U4600 Connections

    Unity 4600 User’s Manual 2.3 U4600 Connections Figure 2.1 shows the connector locations on the U4600 rear panel. See Figure 2.2 for Transport In Options for this slot. Figure 2.1 U4600 Rear-panel Connector Locations 800032-01 Rev. C wegener.com...

  • Page 27: Figure 2.2 U4600 Transport In Options

    Unity 4600 User’s Manual Figure 2.2 U4600 Transport In Options below shows rear-panel views of the five available receiver modules. Figure 2.2 U4600 Transport In Options wegener.com 800032-01 Rev. C...

  • Page 28: Table 4 Rear-Panel Connectors

    Unity 4600 User’s Manual Table 4: Rear-panel Connectors below lists the U4600 rear-panel connectors, their types and pinout information. See Interpreting LEDs on page 43 for descriptions of rear-panel indicators. Table 4: Rear-panel Connectors Connector Type Signal Name Designation ALARM/CUEING...
  • Page 29 Unity 4600 User’s Manual Table 4: Rear-panel Connectors Connector Type Signal Name Designation COMPOSITE BNC Jack Composite Video Out VIDEO OUT SERIAL CONTROL RS232, 9-pin D DCD (internally pulled to +5V) female jacks RxD (data output) TxD (data input) DTR (not connected)

  • Page 30: Table 5 Front-Panel Connectors

    Unity 4600 User’s Manual Table 4: Rear-panel Connectors Connector Type Signal Name Designation DVB-QPSK Transport In Option RF IN Type F coax jack L-band RF Input from external LNB DVB-QPSK with 4-way RF Switch Transport In Option RF IN – 1 through 4...

  • Page 31: Serial Port Configuration

    Unity 4600 User’s Manual 2.4 Serial Port Configuration Device The U4600 has one external serial port. A “device” must be assigned once to assignments the serial port, but no “device” may be assigned more than once. In addition, more than one device may be assigned at one time but only one device which accepts input may be assigned.

  • Page 32: Device Handling

    Unity 4600 User’s Manual Device Terminal I/O - The Terminal device is used for command and control of the handling U4600. This I/O is a basic VT100-like emulation. All I/O is prompted by user- input text strings terminated in carriage-returns. The terminal, whether local or (via modem) remote, should be set to local echo ON.

  • Page 33: Installation Testing

    Unity 4600 User’s Manual 2.5 Installation Testing The U4600 has a number of installation tests that may be performed from the front panel. From the Home screen, press the right arrow until the Installation Testing screen is displayed. RF input...

  • Page 34: Dtmf Setup

    Unity 4600 User’s Manual DTMF Setup This test allows the setup of DTMF tone levels and verification of connections to cue equipment. Use the following steps to set the DTMF level: a) From the Audio/Video Check screen, press the right-arrow button to display the DTMF SETUP screen.

  • Page 35: Chapter 3 Operation

    3.1 Theory of Operation Functional From one selected RF input feed, the Unity 4600 receives an L-band RF carrier summary from an external antenna LNB. It then demodulates the carrier and extracts the transmitted MPEG transport stream.

  • Page 36: Monitoring And Control

    Unity 4600 User’s Manual called the Preset Table. Automated Recovery will attempt to restore the unit according to each preset (one at a time) in the order in which they are listed in the table. The process continues (repeating attempts if necessary) until the unit successfully resumes normal operation or is halted by local user command.

  • Page 37: Figure 3.1 Unity 4600 Functional Block Diagram

    Unity 4600 User’s Manual Figure 3.1 Unity 4600 Functional Block Diagram wegener.com 800032-01 Rev. C...

  • Page 38: Operation From Front Panel

    Unity 4600 User’s Manual 3.2 Operation from Front Panel Front-panel The U4600 front panel ( Figure 3.2 ) includes the layout following four main parts: a liquid crystal dis- play (LCD), six pushbuttons, eight LED indica- tors, and the front-panel audio and video monitor ports.

  • Page 39: Lcd Screen Relationships

    U4600. Figure 3.3 LCD Screen Relationships LCD screen Available top-level screens are shown in order in Figure 3.4 Unity 4600 Top- content level Screens on page 40. Some screens are only available under certain unit conditions or when certain optional hardware is installed.

  • Page 40: Figure 3.4 Unity 4600 Top-Level Screens

    Unity 4600 User’s Manual Figure 3.4 Unity 4600 Top-level Screens Recovery Abort (when applicable) •Allows user to abort a recovery in progress or abort the result of an auto- mated recovery - or - •Allows user to adopt a recovered setting as a new permanent setting...
  • Page 41 Unity 4600 User’s Manual Unit Status/History Allows user to access unit status and diagnostics. Typical items located under this menu include: 1. Current unit state 2. Signal Quality 3. Last commanded and last successful unit settings 4. Program Analysis 5. Local audio/video decompression history 6.

  • Page 42: Home And Default Screens

    Unity 4600 User’s Manual Home and The home screen appears on the LCD by default at boot up. During operation, default the user may return to the home screen at any time, from any location in the screens menu hierarchy, by pressing the Escape (ESC) button repeatedly (or pressing and holding it).

  • Page 43: Interpreting Leds

    Unity 4600 User’s Manual Interpreting Front panel LEDs LEDs Table 7: Front-panel LED Indicator Descriptions provides the meaning of the color and state of each LED. Figure 3.5 LED Indicators Table 7: Front-panel LED Indicator Descriptions Indicator Label Color and State*...
  • Page 44 Unity 4600 User’s Manual Table 7: Front-panel LED Indicator Descriptions Indicator Label Color and State* Meaning GREEN constant A user cue relay is closed (energized). GREEN flutter During a user relay “pulse” activation on any relay. All user cue relays are open (de-energized).

  • Page 45: Front-Panel Audio Monitor

    Unity 4600 User’s Manual Front-panel To monitor audio output from the front panel, insert a 1/4-inch stereo phone audio plug into the audio monitor port. The U4600 will detect the phone plug and monitor immediately display the Audio FP (front-panel) Monitor Selection screen. This second-level menu screen allows the user to select and monitor the desired audio stream.
  • Page 46 Unity 4600 User’s Manual ADDE location COMPEL-req [tags-req] [aud1] [aud1_rt] [aud2] [aud2_rt] [margin] location: Value from 1 up to max (highest entry #) indicating location in Preset table. ® COMPEL-req: Values are REQ, NR, or GL. Forces COMPEL to be tempo- rarily required, not required, or left as normal global unit setting (respectively) when attempting this Preset during Recovery.
  • Page 47 Unity 4600 User’s Manual The command to add entries to the U5000-style preset table at the entry num- ber given. If entry at location was already in use, it will be overwritten. APPM x x: R for reporting. Command to report status of installed software components.
  • Page 48 Unity 4600 User’s Manual AUXPID [PID] PID: Selects the PID (in hex) for the Transport packets carrying the desired data stream. Must be ‘20’ to ‘1ffe’ inclusive. If PID is omitted, the current value is displayed. Sets the PID used for Aux Data extraction.
  • Page 49 Unity 4600 User’s Manual DTMFTST [level] [tone] level: Integer between 0 and 100 inclusive. tone: Tone code (0-15 signifying digits 1-9,0,*,#,A-C). Volatile test command for DTMF output, if supplied. Tones will be output at the percentage of full-scale voltage indicated by level. If tone is supplied, then that tone is output continuously.
  • Page 50 Unity 4600 User’s Manual FORCERF port port:Either OFF or the numbers 1, 2, 3, or 4. Command to either disable or enable effective RF switch bypassing. If port is a number, then all subsequent carrier reception is sought at that RF feed port, regardless of the current Unit Setting.
  • Page 51 Unity 4600 User’s Manual IPCONFIG Command requests report of all current IP parameters (IP address, Gateway address, subnet mask) and assignment mode (static or DHCP). A Local Con- trol Command (available from the terminal regardless of "Local Control Enable/Disable" commands from the network).
  • Page 52 Unity 4600 User’s Manual LAN SUBNET addr addr:IP address formatted as n1:n2:n3:n4 where n1, n2, n3, and n4 are integers between 0 and 255. Note that not all values can be legal. Command sets the IRD’s static subnet mask address. Command entries that do not assert legal IP address masks will be rejected.
  • Page 53 Unity 4600 User’s Manual MARGIN margin_offset margin_offset:Integer values between 0 and N in the form of x.x, representing dB (to tenths of a dB). N is defined by individual IRD specifications for every modulation/FEC combination. Command sets the Margin Warning point. This provides warning to local users that their Eb/No’s are approaching the error-threshold where system perfor-...
  • Page 54 Unity 4600 User’s Manual MUTE [source][source][source] [...] NOTE: The MUTE command is only allowed when local control is enabled by the network. source: If no source is specified then video and all audios are selected. Source can be any of the following: ASI - to indicate the DVB-ASI transport output.
  • Page 55 Unity 4600 User’s Manual baud: 1200, 2400, 4800, 9600, 19200 or 38400. parity: N, E, or O. Configures communication parameters for any serial device. A Local Control Command (available from the terminal regardless of "Local Control Enable/ Disable" commands from the network).
  • Page 56 Unity 4600 User’s Manual PERMCH value value: Either the value of a settings table entry number OR the Channel Label of an entry, priority given to Label if any ambiguity. If an entry number, legal values range from 1 up to N (where N is number of Preset support this product).
  • Page 57 Unity 4600 User’s Manual R type [page] type: Indicates the type of report as follows: Carrier Status Parameters Group Status Genlock system (if installed and applicable) MPEG PSI Status Network Controller Status Relay Status RTLOG - non-volatile log of last 10 “tuning” type commands...
  • Page 58 Unity 4600 User’s Manual RD group group: Indicates group of status/diagnostic information to report, as follows: Audio service diagnostics Alarm/Warning status Conditional Access diagnostics Conditional Digital Program Insertion (DPI) Genlock system (if installed and applicable) IP/Ethernet diagnostics ® COMPEL network control diagnostics...
  • Page 59 Unity 4600 User’s Manual Miscellaneous PRGMP Program mapping at ASI output Automated Recovery Carrier and RF Return Path Current Unit (“Perm”) Settings Serial Ports Application software maintenance Transport Stream processing Video service Expanded U4600 report on unit NV operating parameters. A Local Control Command (available from the terminal regardless of "Local Control Enable/...
  • Page 60 Unity 4600 User’s Manual RPATH FROM domain domain:Legal string of keyboard characters in proper domain-name format (e.g. string1.string2.string3…) Domain name portion of “from” email address in Return Path reporting. A Local Control Command (available from the terminal regardless of "Local Control Enable/Disable"...
  • Page 61 Unity 4600 User’s Manual SAVEP [entry#] [channel_label] entry#: A Preset Table Entry number or the text, "PERM". If a preset entry, must be equal to number between 1 and N inclusive, where N is highest entry number. channel_label: Channel Label associated with a unit setting or a Preset Table entry.
  • Page 62 Unity 4600 User’s Manual SET [parameter] [value] SET TO [destination] [time] SET FROM [source] parameter: One of format, feed, freq [for “carrier freq”], rate [for “data rate”], FEC, tag [for “tag site”], prog [for “program”], margin [for “Eb/No margin warning zone”], aud1, or aud2 [for “descriptors assigned to audio ports 1 and 2”].
  • Page 63 Unity 4600 User’s Manual atten: Must be a numeric value for attenuation in dB. Legal values are given in individual IRD specifications. This programs the net audio attenuation, where ‘0’ gives 0dB attenuation (maximum level). If field omitted, attenuation remains unchanged on that audio port.
  • Page 64 Unity 4600 User’s Manual SETPEDEST xxx xxx: “E” for enable or “D” for disable. Enables or disables the “pedestal” setup, the addition of +7.5 IRE to the lumi- nance level of active NTSC video. A Local Control Command (available from the terminal regardless of "Local Control Enable/Disable"...
  • Page 65 Unity 4600 User’s Manual SP program program: Either an integer between 1 and 65,535 (representing a number) or an alphanumeric string (representing a name), preference being on a number to resolve ambiguity. Command changes selected program by Program Number (from PAT) or SDT descriptor.
  • Page 66 Unity 4600 User’s Manual TEST group value group:Mnemonic for a test group: Either RF, AV, DTMF, or REL. value:Parametric value which has meaning depending on the test group selected. Command to activate Installation Test Modes. A Local Control Command (available from the terminal regardless of "Local Control Enable/Disable"...
  • Page 67 Unity 4600 User’s Manual VBI enable line field enable: Takes values of “E” or “D” for Enable and Disable respectively. line: Line # where VBI data is normally to be re-inserted. Values below 7 or above 22 are illegal. field: Field # where VBI data is normally to be re-inserted. Values are “1” or “2”...
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  • Page 69: Chapter 4 Maintenance And Troubleshooting

    Chapter 4 Maintenance and Troubleshooting 4.1 Maintenance Maintenance of the Unity 4600 is limited to keeping the chassis clean and ensuring that cables remain firmly connected. Occasionally wipe the exterior with a soft, damp cloth to remove any accumulated dust and dirt and check that cables are securely attached.

  • Page 70: No Audio, Video, Or Asi Output

    Unity 4600 User’s Manual LEDS: ALARM ON and CARRIER OFF No audio, video, or ASI output The U4600 is unable to lock to an RF carrier at the selected RF port: a) If the first front-panel alarm message is "No RF Signal", then: (1) either the outdoor antenna LNB is not operating or is not connected to the IRD at the selected RF port;...

  • Page 71: Alarms And Warnings

    Unity 4600 User’s Manual LEDS: ALARM and WARNING OFF If no alarms or warnings are shown, suspect a bad connection or mis-program- ming of the U4600: a) If audio or video are missing, check at the front-panel monitor jacks. If okay on the front monitors, check the signal connections from the rear of the unit to the destination.
  • Page 72 Unity 4600 User’s Manual Table 8: Alarm and Warning Descriptions LCD Alarm or Warning Meaning / Possible Cause Message App SW switch fail Unable to switch to backup software from network com- mand, usually because that software image is not available or corrupted.
  • Page 73 Unity 4600 User’s Manual Table 8: Alarm and Warning Descriptions LCD Alarm or Warning Meaning / Possible Cause Message Bad Video data Video PES stream appears to be invalid. Check if other IRDs see similar problem on the same program.
  • Page 74 Unity 4600 User’s Manual Table 8: Alarm and Warning Descriptions LCD Alarm or Warning Meaning / Possible Cause Message Lost VBI Data FN LM VBI data for field N, line M has disappeared. If any is (N=field number; expected, contact network TOC.
  • Page 75 Unity 4600 User’s Manual Table 8: Alarm and Warning Descriptions LCD Alarm or Warning Meaning / Possible Cause Message No genlock sync IRD supports and has genlock option installed and enabled, but no video reference sync is detected. No carrier ID tags in COMPEL  stream. Set IRD not to No ID Tag found expect ID tags or check uplink UMX5010.
  • Page 76 Unity 4600 User’s Manual Table 8: Alarm and Warning Descriptions LCD Alarm or Warning Meaning / Possible Cause Message PCR jitter Excessive jitter in Program Clock Reference values. This may degrade timing of output video signals. Check uplink encoder for that program.
  • Page 77 Unity 4600 User’s Manual Table 8: Alarm and Warning Descriptions LCD Alarm or Warning Meaning / Possible Cause Message Setting out of range Current unit setting combination is illegal for installed receiver card. Unit will be unable to acquire a carrier and transport stream until corrected by the user.
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  • Page 79: Chapter 5 Customer Service

    5.2 Technical Support If the unit should fail to perform as described, if you need help resolving prob- lems with your Unity 4600, or for questions about obtaining service for your Unity 4600, please contact Wegener Communications Customer Service at (770) 814-4057, FAX (678) 624-0294, or e-mail service@wegener.com.
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  • Page 81: Appendix A Monitoring And Control Details

    Appendix A Monitoring and Control Details A.1 Basic Navigation Monitoring and control of the U4600 from the front panel is accomplished by first navigating to the appropriate screen for the desired function (see LCD screen relationships and LCD screen content on page 39 for screen structure and contents).

  • Page 82: Menu Screens

    Unity 4600 User’s Manual A.3 Menu Screens Menu screens are also read-only and display the menu name for a group of screens. For example, the Miscellaneous Setups screen is a menu screen. The child screens "beneath" a menu screen (reached by pressing ENT) may be any of the screen types (i.e.

  • Page 83: Parameter Screens

    Unity 4600 User’s Manual A.4 Parameter Screens Parameter screens display a specific parameter that can be edited (if the correct authority has been established). Such screens contain an alphanumeric or list- select field. There are no carries or borrows when wrapping on a numeric field (i.e.
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  • Page 85 Unity 4600 User’s Manual Index controlling the U4600 remotely ac power connector 29 cables cross supports 25 connecting to unit ad avail 18 routing of CUE LED 44 agency approvals 12 CARRIER LED 43 customer service 79 air flow for safe operation 24...
  • Page 86 Unity 4600 User’s Manual liquid crystal display (LCD) 20 earthing 24 grounding 24 Eb/No,energy-per-bit noise DC power density per hertz 19 power connector handshaking 11 elevated operating ambient 24 loading, mechanical 24 height of chassis 12 e-mail address local-area network (LAN) 19...
  • Page 87 Unity 4600 User’s Manual operation of the U4600 35 precautions for safety 18 return for repair 23 output presentation time stamp RF emissions 23 absence of (PTS) 21 RF input specifications 13, 15 audio presets table 19, 20 right arrow 38...
  • Page 88 Unity 4600 User’s Manual size of chassis 12, 25 software T(MRA) 21, 24 Underwriter Laboratories application (UL) listing 12 table boot loader presets uneven mechanical network control program map (PMT) loading 24 spacing the unit in rack 24 unpacking and inspection 23...

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