Eela Audio D4 Operating Manual Download

Page: 27 / 27

General:

Power Supply:

Wide range mains input, 100 .. 240 V AC, 47/63 Hz,
Operating environment temperature 0

to + 40

Optional units:

GB34

GPIO breakout PCB with 1 meter data cable for 8 GPI’s and 8 GPO’s

EA924

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

Summary of Contents for D4

Page 1: ...eela audio OPERATING MANUAL D4 D4 Broadcast mixing desk EA Broadcast Eela Audio Het Riet 8 A 5431NM Cuijk The Netherlands http www eela audio com e mail sales eela audio com ...

Page 2: ...nced radio studio operator Due to the flexibility and multi purpose nature of the unit some settings need extra attention especially the setup of hybrid connections and the integration in an automated environment Software version 1 xx INDEX Connections 4 System overview 5 Control surface 5 System settings 7 Monitors 8 System 10 Main screen and Login 12 Universal contacts 14 Meters 15 Channel setti...

Page 3: ...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 buttons Color touch screen for settings E Q dynamics configuration Separate color touch screen for meters OLED display with status information and input meters Br...

Page 4: ...nputs to connect an amplified TalkBack microphone or interfacing with 3rd party intercom systems LAN RJ45 connector for future use D25 multipin connectors for general purpose input and output switches DBUS RJ45 connector for expansion units like The EA963 a 19 1U A rack unit with and additional 2 x 8 GPI O contacts as well as 4 solid state AC relays for switching lamps USB standard connector to co...

Page 5: ...essed indicating a ready status faderstart command will be fired upon opening of a fader Or the other way round the LED will blink fast upon opening of the fader and the faderstart command will become active after pressing the start button A steady LED indicates the active state of the faderstart If BTN start in the settings menu is not selected the start command is the normal faderstart and the L...

Page 6: ...momentary executed The backgrounds of the setting boxes turn yellow and you can change the setting with the rotary You have to confirm the change by pushing on top of the rotary MAIN SCREEN In the main screen you can operate the built in timer On the right hand side are the icons for control room monitor loudspeakers and headphones here indicating that the rotary next to it operates as volume cont...

Page 7: ...The studio foldback loudspeaker can be set to dim upon opening a fader that is configured as a studio microphone The amount of decrease in volume can be set here CR LSP dim The control room monitor loudspeaker can be set to dim upon opening a fader that is configured as a control room microphone The amount of decrease in volume can be set here PFL dim The pre fade listening loudspeaker can be set ...

Page 8: ... the main monitor speakers if a PFL button of one of the modules is active and replaces the selected headphones signal Mixed PFL Standard pfl switches are mutually releasing Check this box to mix the pfl signals Note if mixed PFL is used Talkback becomes active for all channels in PFL mode that have an AUX coupled to them See TB output channel in CHANNEL SETTINGS STUDIO MONITOR The STUDIO icon is ...

Page 9: ...D GPI WILL BE ACTIVE WHEN NO CONNECTION IS MADE E g if you have assigned a GPI to an input mute that channel will be muted if the switch is not connected 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 ...

Page 10: ...irm The volume is adjusted in real time The AES EBU button gives access to the digital output options digital outputs By default the digital AES EBU outputs are linked to the main outputs and the first 5 universal Aux outputs This configuration can be changed e g to have a digital output for monitoring or a digital output carrying the same signal as the headphones To adapt the digital audio level ...

Page 11: ...ears under normal conditions The battery is a widely available type CR2032 or equivalent that is commonly used in PC s for the same purpose A qualified technician can change this internal battery In the event of a firmware upgrade all settings will be lost It is recommended to write down your basic settings and keep these in a safe place MAIN SCREEN LOGIN The eela audio logo hides a login screen A...

Page 12: ...The main display is used as a Program timer On the bottom left you will find an indication which fader is used as the event triggering Tapping this clock in the main window gives you access to the setting 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 ente...

Page 13: ...ch and the background color changes into green as a sign that the GPO is on Pressing the button again from this state the GPO switches off and the color turns into default blue again At an acknowledgement on the assigned GPI the color changes into red To prevent unintentional switching you can now only switch this off by touching and holding the button 2 sec In case the external GPI is activated f...

Page 14: ...current selection is displayed in the label on the left hand side of each meter pair Currently only active PPM characteristics 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 14 ...

Page 15: ...10 aux es here and adjust the level or you can open the aux mix window to get an overview see below The small meter on the channel OLED display can be used to set the GAIN of an input E Q and dynamics can be switched on off in the check boxes In the same way you can adjust the compressor ratio REC and ISOLATE Choose the box REC if you want your signal to route to the recording REC output In order ...

Page 16: ...MF tones config Pressing the config button opens the configuration menu for this channel Please note Some settings can only change when fader is closed Input type you will set the logic behavior of the channel CR microphone Monitor speaker will MUTE or DIM upon opening of this channel fader as well as activate the CR red light Studio microphone Studio monitor will DIM upon opening of this channel ...

Page 17: ... L and Inv R Check boxes for the phase reverse function To reverse the phase of a microphone select both Careful Left or Right phase reversed and input Config in mono will cancel the signal When used in the right way this can be used for decoding M S stereo see separate documentation Phantom Only in MIC Mode 48 V PHANTOM power switch The 48V phantom powering is individually switched for each micro...

Page 18: ... bypass switched the channel on to unity gain and the faderstart on independent of fader setting General Purpose Outputs can be Faderstart Pfl Out and if activated as hybrid also modem hybrid on Example If an External mute and remote Pfl on are set to the same GPI number an external contact closure of this GPI will mute the channel and at the same time switch the Pfl on This is often known as coug...

Page 19: ...t 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 19 ...

Page 20: ...ids also full bandwidth stereo communication devices can be used ISDN Codec With this system you can also couple 2 or more D4 mixing desks in separate rooms together without the danger of feedback A special mode is putting the AUX es in pre fader mode this allows incoming callers to talk to each other off air CONFERENCE mode This can be useful when 2 or more reporters are active that need to know ...

Page 21: ...med upon opening of one of the studio microphones The amount of dimming can be adjusted in the D4 Also this signal is replaced by a TalkBack signal upon pushing the 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 o...

Page 22: ...most cases you do not need a TB channel assigned to a CR microphone Confirm the selection by pushing the rotary Select the MAIN A and or the MAIN B box depending on the destination of the signal NB The Config button mono stereo has no effect in MIC mode Briefly touch the grey select button again to return to the main screen and select system Select the box CR LSP dim and with the help of the rotar...

Page 23: ...ary select the AUX that you link to this channel as a feedback to the headphones of the presenter Confirm the selection by pushing the rotary As an example select AUX6 Of all inputs you want the presenter to hear adjust the volume of AUX6 to the desired level and don t forget the master volume of AUX6 in the Levels screen Please note all AUX levels depend on and are stored with the selected INPUT ...

Page 24: ... selection by pushing the rotary This also activates the green TB button above the fader Select the MAIN A and or the MAIN B box depending on the destination of the signal EXIT this screen and go to the channel AUX settings and make sure the level of AUX 6 is completely turned down to mute one level up Of all inputs in all other channels that are part of or will be part of the return signal open A...

Page 25: ...ialing is done with and internal DTM tone generator and most hybrids are transparent for these tones 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 Eela Audio D4 manual 25 ...

Page 26: ...6 GPO_3 4 GPI_4 17 GPO_4 5 GPI_5 18 GPO_5 6 GPI_6 19 GPO_6 7 GPI_7 20 GPO_7 8 GPI_8 21 GPO_8 9 NC 22 5V 10 NC 23 5V 11 NC 24 GND 12 NC 25 GND 13 NC 25 pin D type connector pin layout for each of the 3 D25 connectors Eela Audio D4 manual GPIO schematic overview 26 ...

Page 27: ...PIO breakout PCB with 1 meter data cable for 8 GPI s and 8 GPO s EA924 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 27 ...

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