Manual EA816
Contents
1. CONNECTIONS AND INSTALLATION BACK PANEL CONNECTIONS c 07 gt 4g od O ANTENNA SIMCARD HEADSET WO REMOTE RECEIVE SEND MADE IN THE NETHERLANDS EC EAB16 HYBRID lt SEND On XLR type connector the balanced line input of the unit Left of this connector is a small screw of a ten turn potmeter to adjust the send gain RECEIVE On XLR type connector the balanced line output Left of this connector is a small screw of a ten turn potmeter to adjust the receive gain These send input and output levels are factory adjusted for 6 dBU GPIO D 9 female connector to interface with most radio broadcast mixing desks HEADSET RJ 11 connector for a standard telephone handset or headset for local operation SIMCARD Slot for a standard SIM card push in push out type Place the SIM card with the contacts facing towards the bottom of the unit The bevelled side first Make sure to use a SIM card with PIN code 0000 This way you can quickly change telephone numbers by replacing the SIM card If the SIM card is changed disconnect and reconnect the power to restart the unit in order to initiate the new SIM RF SMA antenna connector A standard antenna is delivered with the unit Under special circumstances e g in case the unit is built in a closed metal 19 rack it may be necessary to use an external wired antenna POWER 12 Volts power connector A suitable wide range adapter is included Please note there is no power2. telephone An external switch can also be connected to the unit to dial the number stored in pos 1 of the memory HD VOICE HD Voice based on AMR WB Adaptive Multi Rate Wide band technology provides enhanced audio quality up to 7 kHz bandwidth on mobile networks This system is being rapidly implemented by various telecom providers A large number of phones including Nokia Samsung HTC and LG have the codec installed Also our S25 Reportophone will do fine With improved sound quality and low cost within a reliable network this system is ideal for reporting purposes More information about availability in your country can be found on the website of the Global mobile Suppliers Association GSA www gsacom com The system is automatically activated when both devices are equipped with such a codec The EA816 offers the solution on the studio side An industrial quality GSM module in a half 19 housing for fixed installation The EA816 will interface to the studio mixing desk as a regular hybrid including balanced audio input and output and opto isolated GPIO for control The unit is housed a 1 U half 19 rack unit Rackmount kits are available as an option Please note The SIM card used should not have a PIN code other than pin code 0000 This is done to avoid several problems involved with PIN codes amongst others to make the unit restart automatically after a power shut off Additional information can be found on the internet http
3. unit by connecting the power adapter delivered with the unit or use a suitable 12V 1A power source After e few second the unit will be ready to use If no SIM card is placed or a SIM card with another PIN code as 0000 a message will be displayed Place a suitable SIM card in the slot and switch off and on the unit by removing and reconnect the power to restart the unit O Key in a telephone number and press the ON Connect button to make a call You can store up to 10 telephone numbers in non volatile memory by pressing followed by one of the numeric keys To recall one of the stored telephone numbers press followed by one of the numeric keys INCOMMING CALL An incoming call is indicated by a blinking green o ON Connect button and the telephone number of the caller will be displayed Answer the call by pressing this button In auto answer mode the display will indicate connect To end a call press the 4 OFF Disconnect button LOCAL OPERATION The audio is either routed to the main input and output or to the headset You can connect the audio I O to the headset by pressing the bottom right d headset button This way you can make a call independently or communicate to a caller off air If active a yellow LED underneath the button will light and the loudspeaker icon in the display will change into a headphone icon Eela Audio EA816 manual V1 6 8 SPECIAL FUNCTIONS AUTO ANSWE
4. www eela nl EA816 Eela Audio EA816 manual V1 6 4 Quick start manual Half 19 GSM telephone hybrid with built in industrial quad band GSM module APPLICATIONS The Eela Audio EA816 is designed for use with modern radio and television broadcast systems With the AMR WB or HD voice system you can make optimum use of the up to 7 kHz bandwidth of course depending on availability in your network In a lot of countries telephone calls from mobile to mobile are also much cheaper than from mobile to landline The auto answer mode and GPO switch makes the unit suitable for all kinds of remote applications A technician can listen in and by means of the remote switch reset an automatic broadcast or start an emergency player A reporter can dial in listen to a suitable point in the broadcast interrupt the program by means of his telephone keypad make his report and switch back to the unattended automatic program In combination with PA systems In large event halls it can sometimes be easy for staff to do an announcement using a mobile phone Simply dial a phone number and use the keypad to turn off the background music and make the announcement For use as a backup for an STL or other similar audio connections IMPORTANT To avoid several problems involved with PIN codes amongst others to make the unit restart automatically after a power shut off you can only use SIM cards with pin code 0000 Eela Audio EA816 manual V1 6 5
5. ORTANT NETWORK SWITCHING IN CASE THE NETWORK SWITCHING IS FORCED TO 3G Mode 2 THE UNIT WILL OPERATE IN 3G MODE ONLY PIN CODE To avoid several problems involved with PIN codes amongst others to make the unit restart automatically after a power shut off you can only use SIM cards with pin code 0000 Eela Audio EA816 manual V1 6 15 EA BROADCAST EELA AUDIO www eela audio com Eela Audio EA816 manual V1 6 16
6. R The unit can be used in auto answer mode As an example this can be used in unattended broadcast applications for your reporter to make his live report on air or in PA applications to make announcements with your mobile phone To put the unit in auto answer mode press and hold the OFF Disconnect button The following message will appear in the display Press 1 to put the unit in auto answer Note the change of the telephone icon in the right top corner of the display The auto answer mode is indicated by a lifted handset in the icon Once in auto answer the unit will stay this way This mode is stored in non volatile memory also after a power interrupt To switch off the auto answer function press and hold the OFF Disconnect button and press 0 If a connection is lost or the caller ends the unit will auto disconnect and reverts to stand by again DISABLE HEADPHONE KEY To prevent accidental use of the headphones monitoring key this can be disabled To disable this key press and hold the d button and the above message will appear Press 0 to disable the monitor key or press 1 to enable it again REMOTE CALL The telephone number stored in position 1 in memory can be called by a remote contact A simple switch connected to pins 2 and 6 on the remote connector will dial the number REMOTE CONTACT The EA816 also has a remote operated electronic contact Between pins 3 7 of the I O connector i
7. e audio quality In applications without a N 1 system or when used in combination with open microphones and loudspeakers you can select one of the following settings for best audio quality vs echo suppression 4normal echo cancelling recommended for use with loudspeakers 6 aggressiv echo cancelling 7 medium processing 8 least aggressiv processing AUTO ANSWER The auto answer mode is indicated by a lifted handset in the icon You can also switch auto answer on and off by pressing the OFF Disconnect button Eela Audio EA816 manual V1 6 10 DISABLE HEADPHONE KEY To prevent accidental use of the headphones button see also page 9 NOISE SUPPRESSION The EA816 has a built in active noise filter Standard this filter is switched on but sometimes can be heard So this setting can be used to switch this filter off or on depending on requierements AMR WB CODEC The codec can be set to mode 0 AMR which offers a frequency response of max 200 Hz to 3400 Hz Mode 1 the wideband AMR WB offers a frequency response of 75 Hz up to max 6 4 kHz SETTINGS All settings are stored in non volatile memory automatically To exit the settings menu scroll back to and press to exit Eela Audio EA816 manual V1 6 11 REMOTE CONTROL Like the EA815 and EA915 telephone hybrids the EA816 can be controlled from a suitable broadcast mixing desk Available functions are Ring detect a remote output c
8. eela audio EAS16 Telephone Hybrid Mobile telephone hybrid na audio User manual WARNING Do not expose this appliance to rain or moisture To reduce the risk of electrical shock do not remove cover There are no user serviceable parts inside Do not attempt to repair the unit yourself this voids the right of warranty Refer servicing to qualified personnel CE Product This product is in conformity with the requirements of the CE directives This product should only be installed and used in installations as specified in this manual and should only be used with the ancillary equipment and options and in the right environment according the recommendations The supplier will not take any responsibility of damage to or induced by this product caused by using the equipment in any not specified application or connecting items or equipment in any way or environment other than specified General Information Cleaning Clean the outside of this product with a soft cloth Do not use any cleaning detergents like alcohol white spirit or ammonia based fluids to clean this product This can severely damage the finish of the product For waste separation At the end of the lifecycle of this product dispose it in accordance with local procedures for disposal of hazardous or chemical waste Do not dispose the unit or batteries in the ordinary way but if possible hand it in as Small Chemical Waste gt XX Thank you for
9. ontact to indicate an incoming call Pin 5 9 RING RING Remote on a remote input to answer a call from the desk with pfl switch and or a fader contact Pin 4 8 ON ON Remote control contact to operate by the caller Pin 3 7 REM REM Remote call momentary closing of the contacts between pin 2 and pin 6 will initiate a call using the telephone number stored in memory position 1 VOREMOTE PIN SUB D 9P FEM 0000 REM REM ON ON 5 9 RING RING D 9 hybrid remote connector Eela Audio EA816 manual V1 6 12 SPECIFICATIONS Connections are industry standard Input Balanced Line input XLR female Output Balanced Line Ouput XLR male Headphones back RJ10 Hybrid remote VOREMOTE _ PIN SUB D 9PFEM SCREEN 37 REM REM 0 3 7 ON ON RING RING D 9 hybrid remote connector Dual Band UMTS HSDPA 900 2100MHz Quad Band GSM GPRS EDGE 850 900 1800 1900MHz Pin 1 gnd pin2 pin3 Pin 1 gnd pin2 pin3 Output power UMTS 850 1900 0 25W UMTS 900 2100 0 25W GSM850 GSM900 2W DCS1800 PCS1900 1W Power supply 12V DC approx 1A peak Our products and also this EA816 are subject to a constant process of further development and improvement and also the firmware is under constant development As a result information in this manual may change with product revisions Eela Audio EA816 manual V1 6 13 Eela Audio EA816 manual V1 6 14 IMP
10. s an opto isolated switch A caller can operate this switch by pressing 1 to switch this on and 0 to switch off on the dial pad of his phone Please note that the switch will stay active even if the call is ended You can de activate it by calling again and press 0 Wired correctly to a mixing desk a reporter can listen to the current broadcast to find a suitable pause press 1 to interrupt the radio automation system make his announcements and restart the automation again by pressing 0 Eela Audio EA816 manual V1 6 9 BASIC SETTINGS Version 1 6 To enter the settings mode push and hold the button and the setup window will appear O You can scroll trough the various settings with the ON Connect and the OFF Disconnect buttons To exit scroll to this window again and press The available options are NETWORK SWITCHING Select 1 to force the unit to stay in GSM mode press 2 to use 3G only or 0 to auto select Unless requiered by special circumstances AUTO mode is recommended as the unit will dial and connect but no audio will be passed IN CASE THE NETWORK SWITCHING IS FORCED TO 3G Mode 2 THE UNIT WILL OPERATE IN 3G MODE ONLY ECHO CANCELLING A built in echo canceller is available In a normal broadcast operation a N 1 cleanfeed system will be available In that case the echo canceller can be switched off MODE 0 and will give you the best availabl
11. switch on the unit The EA816 can also be powered from a car battery in case it is used in a mobile reporter unit Eela Audio EA816 manual V1 6 FRONT PANEL CONTROLS HYBRID EAS16 LIMIT LED A red LED indicating the internal limiter is activated to prevent overloading the system 16 Push buttons to control the unit o ON Connect button OFF Disconnect button BACK key to make correction keying in numbers or returning to a previous state ED PHONES Switches the audio to the headset I O when active disconnects line input output BUTTONS 1 0 to operate the unit as a normal telephone DISPLAY OLED display indicating the status of the unit It will also display the number of an incoming call The triangle in the left top corner is an indication of HF signal strength Eela Audio EA816 manual V1 6 OPERATION Connect the audio output of the unit RECEIVE to the input and the audio input SEND to the cleanfeed output of your mixing desk or other system that you will be using A normal telephone handset can be connected to the RJ10 connector on the back Connect the antenna provided by simply screwing on the SMA connector In case you will be using the unit in a metal housing like a 19 rack the use of an antenna with cable is recommended A metal housing acts as a Faraday cage resulting in a bad r f reception An antenna with a cable placed outside of the rack will solve this problem Switch on the
12. the purchase of this 4816 GSM Hybrid First read this manual carefully before starting to use the apparatus Please keep this manual so you can refer to it at a later stage Information in this manual may change with product revisions Eela Audio EA816 manual V1 6 2 INDEX General information Applications Connections and installation Front panel controls Operation Special functions Basic settings GPIO pinout Specifications Eela Audio EA816 manual V1 6 10 12 13 Eela Audio EA816 GSM hybrid GENERAL REMARKS The EA816 is a stationary telephone hybrid for the GSM network It is an industrial quality quad band GSM module with AMR WB codec and the facilities for use as a broadcast hybrid For use in areas without cabled telephone connections To make use of the new HD voice Advanced Multi rate Wide band facilities more and more mobile telephone companies are offering The audio bandwidth is extended from 50 Hz to 7 kHz for a crystal clear sound ideal for the radio reporter in combination with the S25 Reportophone Depending on your network provider and system used it can be a huge money saver In a lot of countries a call from mobile to mobile is much cheaper than from mobile to fixed or visa versa Facilities for broadcast applications include remote control on GPIO For special applications the unit has an auto answer and auto disconnect mode as well as a switch that can be operated from the dial pad of a remote
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