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Summary of Contents for Eela Audio D4
- Page 1 Broadcast mixing desk OPERATING MANUAL EA Broadcast / Eela Audio, Het Riet 8 A, 5431NM Cuijk, The Netherlands http://www.eela-audio.com e-mail: sales@eela-audio.com...
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Page 2: General Remarks
Please keep this manual so you can refer to it at a later stage. Functions and / or layout of the touch screen of the D4 can vary due to different software versions. More information is available on http://www.eela.nl/D4TI... - Page 3 16 outputs. This is sufficient for most modern radio applications: APPLICATIONS: The Eela Audio D4 is designed for use in modern radio and television broadcast applications for On-Air and or production studios. Digital mixing console, rugged mechanical construction 32 (+4) inputs, 3 main outputs, 10 configurable stereo outputs 16 input faders with ‘Channel On, Start’...
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Page 4: Connector Panel
8 AES/EBU outputs 48 kHz sample rate 5 unbalanced aux outputs Loudspeaker headphones output unbalanced External monitor inputs, Talkback inputs unbalanced on 6,3 mm jack MIO connector, future or 3 party expansion for multichannel USB audio or network audio Eela Audio D4 manual... -
Page 5: System Overview
“TEL” indicates that the channel is programmed as a telco input / output. “REC”, “A” and “B” are the outputs the signal is routed to. Of course the name of the channel is displayed and the bottom line displays additional status information. Eela Audio D4 manual... -
Page 6: Main Screen
The “TEL” icon will tell you one or more hybrids are off-hook by showing a lifted headset. The main screen has 2 extra buttons “On-Air” or “TA” each coupled to a GPO and a GPI. These can be used for signaling and as standard switches or operated in a ‘handshake’ mode. Eela Audio D4 manual... - Page 7 GPIO contacts assigned to the universal buttons “On-Air” and “TA” If you do not assign a GPO – GPO set to ‘0’ - an incoming signal (GPI) will turn the color of the button into red. Eela Audio D4 manual...
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Page 8: Studio Monitor
The name of the source is displayed underneath the icon. Note: You can program any aux to follow the dim and TalkBack function of a studio foldback but without the choice of selecting different outputs, see paragraph below. Eela Audio D4 manual... - Page 9 If set to “EDGE” the GPI signal will toggle the function ’on’ on the first pulse and ‘off’ on the second. Software power off, the D4 will stay in stand-by mode. The unit has a hardware power switch in the back. It is recommended to use this switch to shut off the unit.
- Page 10 To adapt the digital audio level to the various standards used you can also change the digital audio level vs analogue and meter levels over a 20 dB range. Eela Audio D4 manual...
- Page 11 MAIN SCREEN ‘LOGIN’ The eela audio logo hides a login screen A login code gives access to the system settings and / or channel configuration as well as enables the user to store presets. Once logged in you can log-off in the same way.
- Page 12 Just enter an INTRO and / or TOTAL TRACK time. The TRIGGER is the fader number that starts the countdown. You can select any of the 16 faders by tapping the TRIGGER box, this will turn yellow and enter a number by turning the rotary or simply hitting the ‘select’ Eela Audio D4 manual...
- Page 13 By subsequently pushing the button it will turn red and the GPO closes. As an example by wiring this GPO in series with a fader contact of a microphone this can be used to control a traffic announcement system. Eela Audio D4 manual...
- Page 14 The standard alignment of the mixer outputs: 0 PPM is + 6 dBu at the balanced analog outputs +10 PPM is 0 dBFS See the section “Outputs” for changing the digital audio levels vs analogue outputs! Eela Audio D4 manual...
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Page 15: Channel Settings
NOTE: You can “scroll” through all the input channels by tapping another one of the grey “SELECT” button above the faders while staying in the same settings level. This allows adjusting the same aux for all channels in a fast and easy way. Eela Audio D4 manual... - Page 16 CR red-light. ‘Studio microphone’ , Studio monitor will DIM upon opening of this channel fader as well as activate the STUDIO red-light. The amount of DIM can be set in the SYSTEM setting. Eela Audio D4 manual...
- Page 17 (This LED will blink slowly if an external MUTE signal is applied.) ‘Main A’, ‘Main B’ Check boxes to route the channel signal to one or both main outputs. This is also visible in the channel’s OLED display. Eela Audio D4 manual...
- Page 18 To select an input to the fader channel simply select one and press the “OK” button. With the left and right arrow you can step trough the pages. The D4 without MIO active has 2 pages for in total 32 inputs.
- Page 19 The “EDIT” button opens a text window to change the name of the selected input. This name you will also see in the OLED channel display. Text editor The text editor is used to change channel names. The length of a channel name can be up to 10 characters. Eela Audio D4 manual...
- Page 20 TalkBack button is pushed. With the D4 an AUX bus is used for this purpose and you can even built a dedicated mix e.g. lower volume of the music contributions. It is not a cleanfeed signal as the presenter headphones needs the...
- Page 21 TB button. As the D4 mixing desk can be used in a true “split” mode e.g. an automated program is playing on air and at the same time making a recording you have to be able to select which signals must be present in the CLEANFEED, FOLDBACK or RETURN.
- Page 22 In case you will need to setup a TalkBack system to other sources you can use your CR microphone as a TB microphone: Select the box “TB input ch” and with the help of the rotary select the channel on which the CR microphone is connected. This will than be your TB microphone. Eela Audio D4 manual...
- Page 23 In the example above both ‘mute’ and ‘remote PFL’ are set to GPI 2. Briefly pushing the grey “select” button above the fader again to return to the main screen. * the given aux numbers are just an example, you can choose any free aux. Eela Audio D4 manual...
- Page 24 Setup your Talkback microphone in the SYSTEMS menu ‘TB input ch:’ as described earlier. GPIO Standard for an Eela Audio hybrid the shape and type of the GPIO’s are continuous so do not select any checkboxes in the main GPIO settings menu An incoming call is indicated by a flashing LED in the grey 'SELECT' button.
- Page 25 You can connect several hybrids this way each using another AUX for the return signal. Make sure the AUX volume of the corresponding input is closed and all others open. D4 / EA815/1 telephone hybrid cable diagram: In this example EA815/1 hybrid remote is connected to GPIO 1...
- Page 26 GPIO schematic overview: Pin no. Description GPI_1 GPO_1 GPI_2 GPO_2 GPI_3 GPO_3 GPI_4 GPO_4 GPI_5 GPO_5 GPI_6 GPO_6 GPI_7 GPO_7 GPI_8 GPO_8 25 pin D-type connector pin layout for each of the 3 D25 connectors. Eela Audio D4 manual...
- Page 27 19" 1U Quad input balancing unit, 4 x 2 high quality balanced input amplifiers, unbalanced out. EA815 Electronic telephone hybrid, single or dual 19” version available. EA816 GSM stationary telephone hybrid. EA915 DSP digital POTS telephone hybrid. Eela Audio D4 manual...
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