CEDAR Produkthilfe und FAQs

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Press and hold the SETUP button for about two seconds. The firmware version will be displayed on Channel 2's LCD.

The current DNS 2 firmware is v1.4. If your DNS 2 hosts a version below this, download the latest version from here and update your unit as follows:

  • Extract the ".bin" file from the downloaded zip file.
  • Using a micro USB cable, connect the DNS 2 to a Mac or PC via its USB port.
  • Once connected, the DNS 2 will appear on the computer as a removable drive.
  • Copy the .bin file onto the DNS 2 drive. This must be placed in the top-level directory, not within a folder.
  • Eject the DNS 2 and then power cycle it.

An 80Hz, -18dB/oct high pass filter is available across all inputs. To toggle this on/off for either channel, press SETUP followed by the appropriate LEARN button. An icon on the selected channel’s screen will show whether the filter is active or not.

The two channels on the DNS 2 can operate in three different modes. Cycle through these by pressing both encoders simultaneously.

Unlinked: The two channels operate independently. This mode is useful for processing two separate sources.

Linked: The audio channels are independent, but their control settings are linked. This mode is suitable for stereo signals. (When using analog inputs, the input gains are linked in this way only if both are set to MIC or both are set to LINE. If one input is set to MIC and the other to LINE, the input gains are not linked.)

Mono split: The audio presented to the Channel 1 input is split and sent to both channels. The Channel 2 input is not used in this mode. The channels have independent controls, so this allows a single signal to be processed in two different ways, or (by switching off the processing of one channel) for one output to carry processed audio and the other to carry unprocessed audio.

The input selection and link mode are indicated at the bottom of the Channel displays. Linked mode is indicated by an ‘=’ symbol, and mono split mode is indicated by an ‘>’ symbol. The input selection is indicated by M/L/D for microphone, line or digital respectively, followed by a 1 or 2 to indicate the input channel number. Hence, in mono split mode both screens show channel 1.

The DNS 2’s current settings are stored every time the buttons and screens go dim, which happens a few seconds after the user stops adjusting the controls. On v1.4 and later, the settings are also stored when the unit is powered down using the power button. These settings are recalled when the DNS 2 is next turned on.

If it appears that your unit is not storing the settings, its firmware should be updated to v1.4. (See above.)

The DNS 2 can be used in the same way as a DNS 8 Live by following these steps:

  • Switch on the DNS 2.
  • Switch on LEARN.
  • Decide how much noise reduction (attenuation) you want; a figure of around -4dB will emulate the DNS 8 Live.
  • Lock the front panel using the physical switch on the side of the unit.


The current release firmware for the DNS 8 Live is v1.2.1. Earlier versions may be upgraded over a network using a standard web browser as follows:

  • Download the latest DNS 8 Live firmware from here [address needed].
  • If you have not already done so for other purposes, connect the DNS 8 Live to your network using its Ethernet port.
  • Determine the IP address of your DNS 8 Live by inspecting its Status window, then launch your browser and type "IP address /upload.cgi" into the address bar. This will be of the form "xxx.xxx.xxx.xxx/upload.cgi" where xxx.xxx.xxx.xxx is the IP address.
  • Click on Browse and navigate to the new firmware file.
  • Click on Upload. Depending upon the page displayed on the DNS 8 Live, you may notice the letters “T” and “R” blinking on its main screen. This is normal and indicates that the unit is transmitting and receiving data.
  • When the upload is complete, click on Reboot to restart the DNS 8 Live.
  • Close the browser and, if appropriate, disconnect the DNS 8 Live from the network.

There is no downloadable remote control software for the DNS 8 Live; it is incorporated in the unit in the form of an internal web page. You can connect to this using any suitable browser.

  • Determine the IP address of your DNS 8 Live by inspecting its Status window.
  • If you have not already done so for other purposes, connect the DNS 8 Live to your Ethernet network and enter its IP address into your browser’s address bar. The DNS 8 Live sends its serial number as its host name in DHCP requests. If your DHCP server registers host names in the domain name server, you can access your DNS 8 Live as dns-8-xxxxx.yourdomain.com instead of directly by its numeric IP address.
  • Enter the Username and Password for the unit. You will obtain two panels corresponding to the Summary and Detail screens displayed on the DNS 8 Live itself.
  • The Summary and Detail panels can be hidden and shown using the buttons in the upper left-hand corner of the screen.
  • The Presets button (top right) provides access to the presets, and the Summary panel displays Group buttons that allow you to group and ungroup channels. At the bottom of the screen you will find the global Learn and processing on/off buttons.

The current settings are stored every time the buttons and the screens go dim, which happens a few seconds after the user stops adjusting the controls. They are also saved when the unit is powered down correctly by pressing and holding the POWER button for five seconds. These settings are recalled when the DNS 8 Live is next turned on.

You can also save user presets for later recall. These can be created on the DNS 8 Live itself or using the remote control software.

There are a two known causes for this:

  • The username or password was saved with spaces at the beginning and/or end. This includes the case where the username and/or password consist entirely of spaces so that it looks blank on the DNS 8 Live screen, but isn't. Solution: choose a username and password that does not have leading or trailing spaces.
  • It is possible that there could be confusion between characters used in the username and/or password ; for example I and 1 or O and 0. Solution: check carefully that you have not confused characters.

Clock is derived from AES inputs 1 and 2 only. Check that you are not trying to sync to higher numbered inputs.

CEDAR Studio

The CEDAR HASP dongle is not compatible with Mac OS X 10.12 onward or Pro Tools 12. You will need to transfer your licences to an iLok account to continue using CEDAR Studio.

If you wish to transfer existing CEDAR Studio licences from HASP to iLok, send the following information to ilokupgrade@cedaraudio.com.

  • Your HASP dongle serial number (HSP-2-xxxxx)
  • Your iLok User ID
  • The email address used for your iLok/PACE account
  • The name used for your iLok/PACE account
  • Your company name

We will contact you following receipt of this.

Current versions of CEDAR Studio for the Mac are not compatible with versions of OS X earlier than 10.9, or with versions of Pro Tools earlier than Pro Tools 11.

There are four conditions that prevent CEDAR Studio VSTs from appearing in your plug-in lists:

  • The DAW is a 32-bit application. CEDAR Studio is 64-bit and will work only within 64-bit hosts.
  • The VST host has not been configured to scan the directory that includes the CEDAR Studio VSTs. Direct the host to scan one or both of the following directories:
    C:\Program Files\Common Files\CEDAR Audio Ltd\CEDAR Studio\VST
    C:\Program Files\Common Files\VST3
  • Your HASP dongle is not connected or it can't been seen by the software. Make sure the dongle is connected and that the correct USB drivers are installed.
  • The HASP dongle has no vaild licences. (Invalid licences include demonstration licences that have expired.)

Use the Copy and Paste Special commands under the Pro Tools Edit menu to copy each control parmater one at a time. The following video illustrates this.


Visit the Downloads page.


The DNS 2000 is no longer supported.


Visit the Downloads page.

Technical support

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