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Merging +NADAC Reference Manual

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REFERENCE GUIDE

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  • Page 1 REFERENCE GUIDE...

  • Page 2: Table Of Contents

    The Main Menu ............................ 28 Sources menu ..........................28 Trim/Polarity menu ......................... 30 System Menu ........................... 31 Network Menu ..........................35 Info Menu............................37 Exit Menu ............................38 Synchronizing the MERGING+NADAC to an External Source ..............40 Page 1 nadac.merging.com...
  • Page 3 To launch the MERGING+NADAC Ap from Windows ................60 To launch the MERGING+NADAC Ap from Mac OS X ................61 To launch the MERGING+NADAC Ap from Apple iOS for iPad and iPhone ......... 62 Troubleshooting Guide ..........................65 Media player configuration recommendations ................... 65 MERGING+NADAC Discovery or RAVENNA I/O connection problems ..........

  • Page 4: Important Safety And Installation Instructions

    The product has been dropped, or the enclosure damaged. 11. Do not attempt to service the product beyond that described in the user maintenance instructions. All other servicing should be referred to qualified service personnel. Page 3 nadac.merging.com...
  • Page 5 Merging Technologies hardware and or software or for any defect in the hardware software or documentation.
  • Page 6 Product Regulatory Compliance Product Safety and EMC Compliance The Merging Technologies NADAC Network Converter is designed, tested and verified to comply with the following Safety and EMC regulations: FCC – Radiated and Conducted Emissions (USA). CFR 47 Part 15 – Radiated and Conducted Emissions (Canada).
  • Page 7 Non-Operating Humidity 95%, non-condensing @ 30 degrees C Operating Shock No errors with a half sine wave shock of 2G (with 11-millisecond duration). Package Shock Operational after a free fall, 60 cm depending on the weight. ESD 8kV per Merging Technologies Environmental Test Specification Page 6 nadac.merging.com...

  • Page 8: Declaration Of Conformity

    Test Report: Test report Ref No: 15-MO-0081.E01/E02 Issued Date: June 2015 by Electro Suisse | Montena EMC SA The CE label is affixed on the bottom of the MERGING+NADAC unit as per below: Date 19 June 2015 Claude Cellier President Merging Technologies S.A.

  • Page 9: Nadac Warranty Information

    Merging Technologies, Inc. extends this Limited Warranty to the original purchaser. In the event of a defect or failure to confirm to this Limited warranty, Merging Technologies, Inc. will repair or replace the product without charge within sixty (60) days. In order to make a claim under this limited warranty, the purchaser must notify Merging Technologies, Inc.

  • Page 10: Before You Do Anything Else Please Read This Page

    What’s in the Box If the shipping carton shows any signs of damage, please inform your Merging Technologies dealer, as the product may also have sustained damage. Please retain all the packing, as this must be used should you need to ship the unit in the future.

  • Page 11: Introduction To The Merging+Nadac

    1 nanosecond. Environmentally Friendly by Design The MERGING+NADAC has been carefully designed in order to keep power consumption to a strict minimum. Merging Technologies believes in a sustainable future and takes appropriate measures at all phases of a product's design and manufacture to avoid wasting energy.

  • Page 12: About Ravenna

    About RAVENNA RAVENNA is the name of the protocol that manages the data transfer between the MERGING+NADAC and a computer or other hardware when the Ethernet interface is used. This open and published IP network technology had been created to meet the demands of national broadcasters and focused on the essential requirements of extremely accurate clocking, high resistance to packet loss and very low latency i.e.

  • Page 13: Merging+Nadac Hardware

    MERGING+NADAC Hardware Front Panel Figure 2. MERGING+NADAC front panel. Back Panel – 2-Channel version (ST2) Figure 3. 2-Channel version (ST2) back panel. Back Panel – 8 Channel version (MC8) Figure 4. 8-Channel version (MC8) back panel. Page 12 nadac.merging.com...
  • Page 14 Figure 5. MERGING+NADAC front panel detail. Figure 6. MERGING+NADAC (MC8) back panel detail. Note: The back panel of the stereo version (ST2) is identical to the MC8 with the exception that it only has 2 sets of balanced and unbalanced analogue outputs instead of 8.

  • Page 15: Specifications

    120 dB (A-weighted, typ.) THD+N @1 kHz - ST 2 -114 dB (0.0002 %) THD+N @1 kHz - MC 8 -113 dB (0.00022 %) Gain Range (software controlled) - ∞ dB to 0 dB Gain Step/Precision 1dB / ±0.05 dB Page 14 nadac.merging.com...
  • Page 16 110 Ω Sample Rates 44.1 kHz – 192 kHz SPDIF inputs Optical Connector Toslink Coaxial Connector Gold plated RCA Coaxial Input Impedance 75 Ω Sample Rates 44.1 kHz – 96 kHz Wordclock Input Connector Input Impedance 75 Ω Page 15 nadac.merging.com...
  • Page 17 Software Specifications Windows Driver/OS ASIO 2.2 Win7-64bit / Win8.1-64bit / Win10-64bit Mac Driver/OS NADAC Core Audio. MacOS 10.8.5 or higher (Intel) Linux Driver/OS ALSA Please contact Merging Technologies for detail on supported specific Linux versions and build Page 16 nadac.merging.com...

  • Page 18: How To Connect The Merging+Nadac

    Cat5e or Cat6 cable can be used, however we recommend that the EtherCon cable provided with the MERGING+NADAC be used. If a longer cable is required this can be ordered from your Merging Technologies dealer. To connect the cable to the unit, align the cable with the Network input so that the small slot in the EtherCon connector body is facing upwards, then push the connector home until the lock clicks.

  • Page 19: Connecting The Word Clock Input

    AES/EBU digital input - Figure 6. To connect the MERGING+NADAC to a word clock generator you will require a cable fitted with male BNC to BNC connectors. The cable should also have a characteristic impedance of 75 Ω.

  • Page 20: How To Connect The Balanced Line Output To An Unbalanced Input

    Figure 9 below. Never attempt to short pin 3 (or pin 2) to Ground on the MERGING+NADAC’s balanced output, as the balanced output circuit is symmetrical, but not floating. Failure to observe this instruction may result in damage to the MERGING+NADAC, which will not be covered by the warranty.

  • Page 21: Power Supply

    Using a DC power source The MERGING+NADAC may also be run from a DC power source. This should be connected to the DC Input connector on the rear panel, immediately to the left of the AC power inlet – Figure11. The mating part for this connector is a Hirose HR10-7P-4P, which can be ordered separately from your Merging Technologies reseller.

  • Page 22: Switching On Your Merging+Nadac

    Switching on your MERGING+NADAC Make sure that the switch on the unit’s rear panel power inlet is set to the On position, as shown in Figure 12. Figure 12. Setting the power inlet switch to the On position. Briefly press the front panel power button – Figure 13.

  • Page 23: Merging+Nadac Front Panel Display Interface

    MERGING+NADAC Front Panel Display Interface MERGING+NADAC Menu Tree Figure 15. MERGING+NADAC menu tree. Page 22 nadac.merging.com...

  • Page 24: Navigating The Menu

    Examples of each of these cases are: Setting the Roll Off Filter: stepping through the possible options e.g. Sharp or Slow. Adjusting the channel level trim: varying a channel output level. Entering the network IP settings: stepping through numeric characters. Page 23 nadac.merging.com...
  • Page 25 Once the home screen has been reached, the Rotary Control can be released and it will function as a volume control again. Page 24 nadac.merging.com...

  • Page 26: Dual Zone Capability

    Figure 17. Home screen detail. The Main Home screen – Figure 17 - is the screen you will see after the MERGING+NADAC completes the boot sequence and it shows the current principle settings for the Main output. From here you can either control the Main output volume level, or navigate through the option menus.
  • Page 27 This menu item will be shown as Main Sources or Headphone Sources in the Quick Menu screen, depending on which output the volume control is currently selected to control. Page 26 nadac.merging.com...
  • Page 28 You can also switch the unit off by pressing and holding down the power switch, but in this case there is a remote possibility that any changes you made to the unit’s settings may not be recalled the next time it is switched on. Page 27 nadac.merging.com...

  • Page 29: The Main Menu

    A screen like that shown in Figure 22 will appear, where the network sources are shown in the format <PC name> and the standard digital inputs are named by their connector types. Figure 22. Source options menu. Page 28 nadac.merging.com...
  • Page 30 Main output channels i.e. (1-2), (3-4), (5-6) and (7-8) and these options will appear in the Select Source screen in addition to those shown in Figure 22. Note: With some media player software, the computer it is installed on will only appear as a source in the source options menu once playback has started. Page 29 nadac.merging.com...

  • Page 31: Trim/Polarity Menu

    180°. If the symbol is shown against a black background this indicates that the current setting is normal polarity and if it shown against a green background this indicates inverted polarity. Page 30 nadac.merging.com...

  • Page 32: System Menu

    To change the Main Mode setting, use the Rotary Control to outline the current Main Mode setting, then briefly press the Rotary Control to open the Main Mode options menu – Figure 27. Use the Rotary Control to highlight the required Main Page 31 nadac.merging.com...
  • Page 33 Main max level option box. Figure 28. Main max level options. Roll Off Filter The MERGING+NADAC offers the user a choice of two different roll-off filters. Sharp roll-off filter: Offers a flat frequency response up to 22kHz, within 0.2dB. This is the default filter.
  • Page 34 Figure 29. Roll-Off Filter options. WCK Termination In the normal mode of operation the MERGING+NADAC’s audio processes are synchronized to own internal clock. The unit may also be used with an external source for the clock, which is called a Word Clock generator. The internal clock is of a very high quality;...
  • Page 35 This is to preserve the life of the display. To turn the display back on, turn or briefly press the Rotary Control, or briefly press the front panel power button. Page 34 nadac.merging.com...

  • Page 36: Network Menu

    Figure 31. Network menu. Name: This shows the name of the MERGING+NADAC unit and its serial number. This name will be broadcast across the network and will be seen in applications such as the NADAC App remote control (page 59) and MT Discovery tool (page 66).
  • Page 37 DHCP server in their RAVENNA network with a customized address range and the MERGING+NADAC will get an IP address from this server. We recommend that user always restart the NADAC if any changes have been made to the network configuration.

  • Page 38: Info Menu

    – Figure 20. Use the Rotary Control to highlight Setup, then briefly press the control. This will open the Setup menu – Figure 33. Use the Rotary Control to highlight Info, briefly press the control again and the Info menu will appear – Figure 34. Figure 33. Setup menu. Figure 34. Info menu. Page 37 nadac.merging.com...

  • Page 39: Exit Menu

    Maintenance select page, Figure 39. Use the Rotary Control to outline the Yes box then briefly press the control. The unit will then shut down and restart in Maintenance Mode. The full procedure for updating the firmware may be found on page 69. Page 38 nadac.merging.com...
  • Page 40 Reset to Factory select page, figure 41. Use the Rotary Control to outline the Yes box then briefly press the control. The unit will then shut down and restart with the factory default settings. Figure 41. Factory reset select Figure 40. Exit menu. Page 39 nadac.merging.com...

  • Page 41: Synchronizing The Merging+Nadac To An External Source

    Synchronizing the MERGING+NADAC to an External Source All the PCM sample rates currently used for high-end audio and professional audio are multiples of either 44.1kHz or 48kHz, so these are referred to as the base sample rates for this range of rates. All DSD data rates are multiples of 44.1kHz, so this is the base sample rate for DSD.

  • Page 42: Connecting The Merging+Nadac To A Network

    Connecting the MERGING+NADAC to a Network Basic Network Configuration To configure the MERGING+NADAC on your home network (PC or MAC) to play back audio files from the computer’s hard drive or network attached drive(s). Software and hardware requirements Install the Merging Technologies NADAC Core Audio Driver (MAC, page 53) or the Merging Technologies NADAC ASIO Driver (Windows, page 49) on the computer that will be used as the network audio source.
  • Page 43 Figure 44. Sources Menu Briefly press the Rotary Control. The source options menu will appear – Figure 45. The example shown here is with the Zone menu in the MERGING+NADAC Settings panel set to Main + Headphone. Figure 45. Source options menu.
  • Page 44 If the network source name in the source options menu appears in red, this indicates that the source is not valid. Please verify the network connections and configuration. Please also refer to the trouble shooting section of this manual on page 65. Configuration example: Figure 46. Peer to peer configuration example. Page 43 nadac.merging.com...

  • Page 45: Advanced Network Configuration

    Advanced Network Configuration To configure the MERGING+NADAC on your home network (PC or MAC) to play back audio files from the computer’s hard drive or network attached drive(s) and to control the system via a WiFi link using an iPad or iPhone.
  • Page 46 You should see two icons in this page. One represents the MERGING+NADAC and the other the music server software. In this illustration we are using the Merging Technologies Emotion software. <PC Name> is the arbitrary name given to the network source in this Illustration.
  • Page 47 Headphone output you must either use the front panel menu (page 28) or the web control interface (page 66). Figure 51. NADAC App Home page. If you change any of the network configurations or connections you must restart the NADAC and close and re-launch the NADAC App. Page 46 nadac.merging.com...
  • Page 48 Configuration Examples Figure 52. NADAC connected to a home Gigabit router. Figure 53. NADAC connected to a home network. Page 47 nadac.merging.com...

  • Page 49: Home Networks And Gigabit Assistance

    We now find that the vast majority of Gigabit switches currently available will work without problems. Details of Gigabit switches that Merging has tested and found to work properly: https://confluence.merging.com/display/PUBLICDOC/Network+switches+validated For more information on network configuration options, please visit this page on the Merging Technologies web site: http://nadac.merging.com/networking Page 48...

  • Page 50: Nadac Driver Installation And Configuration

    RAVENNA requires that the MERGING+NADAC is connected to a Gigabit Ethernet port. Driver Specifications • The MERGING+NADAC RAVENNA ASIO driver supports sample rates from 44.1kHz up to 8FS, 384 kHz, DXD, DSD64, and DSD128 & DSD256. • MERGING+NADAC will follow the sample rate changes provided by the ASIO host.
  • Page 51 Figure 54. NADAC Ravenna ASIO panel. Configure the Merging Technologies RAVENNA ASIO Settings: Figure 55. NADAC Ravenna ASIO settings panel – enlarged view. Ethernet adapter: This lists all the network ports available on your computer. In most cases there will only be one, so you will not need to make any changes.
  • Page 52 Example 2: Wrong firmware version. Please see page 69 for details on how to update the firmware. If you require assistance, please contact your Merging Technologies reseller. Select the NADAC RAVENNA ASIO driver within the Media Player application you will use. Please refer to specific applications guides if you need further information on how to do this.
  • Page 53 If the network source name in the source options menu appears in red, this indicates that the source is not valid. Please verify the network connections and configuration. Please also refer to the trouble shooting section of this manual on page 65. Page 52 nadac.merging.com...

  • Page 54: Merging+Nadac Core Audio Driver For Mac Os X

    Download the MERGING+NADAC RAVENNA Core Audio Installer for MacOS here. Open the MERGING+NADAC RAVENNA Core Audio Installer .dmg file then click on box in the top left corner of the installer screen – Figure 62. Figure 62. MERGING+NADAC Ravenna CoreAudio installer screen.
  • Page 55 System Preferences. This will open the System Preferences panel – Figure 65. Click on the NADAC icon, which has been outlined in red in the illustration. This will open the MERGING+NADAC RAVENNA Core Audio Settings panel – Figure 66.
  • Page 56 Figure 66. MERGING+NADAC RAVENNA Core Audio panel. The MERGING+NADAC RAVENNA Core Audio panel gives information about the status of the connection between the unit and your computer. There are only two settings on this panel and in most cases the user will not need to make any changes.
  • Page 57 Unit key details. If the NADAC icon in the MERGING +NADAC Settings panel has a red circle with a diagonal line superimposed over it, as shown in Figure 68 below, it means that the unit cannot be reached on the network.
  • Page 58 Figure 69. MERGING+NADAC network communication error Example 2: Status: Wrong firmware version. (Figure 70). Please see page 69 for details on how to update the firmware. If you require assistance, please contact your Merging Technologies reseller. Figure 70. MERGING+NADAC wrong firmware version installed Select the NADAC CoreAudio driver within the Media Player application you will use.
  • Page 59 If the network source name in the source options menu appears in red, this indicates that the source is not valid. Please verify the network connections and configuration. Please also refer to the trouble shooting section of this manual on page 65. Page 58 nadac.merging.com...

  • Page 60: The Nadac App: Merging+Nadac Remote Control

    ASIO driver is installed. It is supported under Windows 7, Windows 8.1 and Windows 10 – 64Bit OS. Mac OS X: The App is bundled in the MERGING+NADAC Core Audio driver and is automatically  installed when the Core Audio driver is installed.

  • Page 61: To Launch The Merging+Nadac Ap From Windows

    For Windows 10 you will find this by opening the following links: Windows Start Menu - All Apps > Merging Technologies > NADAC Panel. It will be slightly different for earlier versions of Windows. This will open the NADAC Ravenna ASIO panel - Figure 76.

  • Page 62: To Launch The Merging+Nadac Ap From Mac Os X

    System Preferences. This will open the System Preferences panel – Figure 77. Click on the NADAC icon, which has been outlined in red in the illustration. This will open the MERGING+NADAC RAVENNA Core Audio panel – Figure 78.

  • Page 63: To Launch The Merging+Nadac Ap From Apple Ios For Ipad And Iphone

    To launch the MERGING+NADAC App from Apple iOS for iPad and iPhone Connect the NADAC to a computer in an advanced network configuration basic network configuration as shown on page 44, steps 1 to 7. Launch the NADAC App on your iPad or iPhone. The remote control window will open and the Ap will search for any NADAC devices on the network.
  • Page 64 Go back to the previous page by clicking or tapping the icon on lower left hand side of the page.  For example from the Select Source or Trim pages to the Home page, Home page to the Devices page. Page 63 nadac.merging.com...
  • Page 65 To change a channel phase (polarity) click or tap the appropriate icon. A grayed out icon indicates normal phase and a white one indicates inverted phase (polarity). To go back to the Home page, click or tap the icon on lower left hand side of the page. Page 64 nadac.merging.com...

  • Page 66: Troubleshooting Guide

    We have encountered problems where antivirus and firewall applications, including Windows Defender, have blocked the MERGING+NADAC Discovery and RAVENNA I/O Connections. If you suspect this may be the cause of the problem you are experiencing, first disconnect the computer from the internet, then temporarily disable, one by one, any antivirus and firewall applications you are using.

  • Page 67: Appendix 1. Merging+Nadac Web Control Interface

    Appendix 1. MERGING+NADAC Web Control Interface Web access requirements To control and view the status of your MERGING+NADAC remotely with a web browser, make sure that you are using one of the Internet browsers below: Google Chrome (Highly Recommended) Mozilla Firefox...
  • Page 68 A mouse double-click on the NADAC Device entry will open the MERGING+NADAC Web Interface in your default web browser. The first screen you will see is the interface main screen and a typical example is shown in Figure 84.
  • Page 69 This will open the sources screen – Figure 85. Click on the currently selected Headphone source, then follow the procedure above for changing the Main source. Figure 85. MERGING+NADAC web interface – sources screen example. Figure 86. MERGING+NADAC web interface – sources option screen example. Page 68 nadac.merging.com...

  • Page 70: Appendix 2: Merging+Nadac Firmware Update Guide

    If you are not confident that you can carry out this procedure, please ask your local Merging Technologies reseller for assistance. Obtain the latest certified firmware, either from your MERGING+NADAC reseller or contact us at nadac@merging.com. Make sure that the downloaded firmware file is on a computer that is on the same network as your MERGING+NADAC.
  • Page 71 Windows users: Open the NADAC Ravenna ASIO panel: (Windows Start Menu - All Apps > Merging Technologies > NADAC Panel). This will open a panel like that shown in Figure 89. MacOS users : Open the NADAC Ravenna Core Audio panel: (Apple icon on the top left corner > System Preferences >...
  • Page 72 If your web browser does not open on the firmware upgrade page, clear your browser history and re-open the MERGING+NADAC page by double clicking on the NADAC Maintenance Mode icon in either the NADAC RAVENNA ASIO Panel, Figure 89 (Windows systems) or NADAC Core Audio Panel, Figure 90 (Mac systems).
  • Page 73 Pressing F5 on a Windows computer will refresh the browser. The Firmware update should take from 3 to 5 minutes. Do not perform any other installation during this procedure. Do not shutdown the unit during this procedure. Page 72 nadac.merging.com...
  • Page 74 If you do not follow this procedure the unit may no longer start up and it may be necessary to return to a local service centre or the factory. Figure 97. Firmware update Try Again button. If you cannot update the firmware, please contact your local Merging Technologies reseller for assistance. Page 73 nadac.merging.com...
  • Page 75 Page 74 nadac.merging.com...

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