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Eela Audio EA 946 Instructions For Use Manual Download Page 1

USER MANUAL

EA 946 MODULATION GUARD

Manufacturer:

EELA AUDIO
Parmentierweg 3
5657 EH EINDHOVEN
The Netherlands
Tel: +31-40-251 04 84
Fax: +31-40-257 04 82
Internet: www.eela.nl

Dealer:

Phistersvej 31, 2900 Hellerup, Danmark

Telefon 3946 0000, fax 3946 0040

www.interstage.dk

pro audio with a smile

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Summary of Contents for EA 946

Page 1: ... EELA AUDIO Parmentierweg 3 5657 EH EINDHOVEN The Netherlands Tel 31 40 251 04 84 Fax 31 40 257 04 82 Internet www eela nl Dealer interstage Phistersvej 31 2900 Hellerup Danmark Telefon 3946 0000 fax 3946 0040 www interstage dk pro audio with a smile ...

Page 2: ...EN THE NETHERLANDS Page 2 Table of contents FUNCTION 3 FEATURES 3 INSTALLATION 4 INSTALL THE WINDOWS SOFTWARE 5 REMOVE THE WINDOWS SOFTWARE 6 MAKING PRESETS 7 SOFTWARE SETTINGS ITEMS 8 FUNCTION BUTTONS 11 OPERATIONAL PRINCIPLE 12 REMOTE ANSWERING A SERVICE CALL COMING FROM THE EA946 14 CONNECTIONS 16 ...

Page 3: ...y means of his dial pad DTMF to select monitoring the STUDIO signal or the AUX source signal START or STOP the AUX source and change over the transmitter routing relay from STUDIO to AUX source FEATURES Detection at AUDIO failure and at activating an external optocoupler input Acoustic pre alarm by means of built in buzzer 4 preset No Audio detect levels Unit identification To be configured over e...

Page 4: ...t outside line you have to use an officially approved Telephone line interface such as the EELA AUDIO EA815 1 PTT approved TELEPHONE HYBRID This can be connected with the for this purpose dedicated 9 pin D sub connector marked HYBRID I O of the EA946 by means of a full wired 1 to 1 D sub cable STEP 6 Connect a RS232 cable between the RS232 port of an IBM compatible computer and the 9 pin D sub con...

Page 5: ...oppy disk with the installation programme in the floppydrive n Click on the Windows Start button in the lower lefthand side on the screen n Click on Run n Type in Drive Setup exe in which the drive in most cases will be Drive A The installation progresses via the so called wizard where after the Welcoming the user name and company name has to be filled in the directory and map name can be entered ...

Page 6: ... proceed is to follow these instructions n Click on the Windows Start button on the lower lefthand side of the screen n Click on Settings n Click on Control panel n Double click on Add Remove programs n Select Modulation Guard in the list n Click on Add Remove n Click on Yes at the question if you really want to remove from the system The Windows modulation guard programme is now removed from your...

Page 7: ...he behaviour of the START STOP outputs If the program is started it will give the screen layout as shown below GENERAL If you do not have a mouse connected to the PC you can use the keys TAB to jump forwards and shift TAB to jump backwards to select the right box Items which have a letter underlined can be quickly activated by simultanous pressing the ALT key and that underlined letter in the requ...

Page 8: ...hold of input level at which the EA946 should come into operation Ext Source Control The character of the control output used as START STOP signals can be set to be either PULSE or CONTINUOUS closing contacts Miscellaneous In the miscellaneous box you can set if the internal buzzer should operate in an ALARM situation Also you have to set if in an ALARM situation the audio feed to the transmitter ...

Page 9: ...the arrow pointing downwards and selecting the required setting from the list which appeares Telephone numbers The 5 telephone numbers have to be selected here which will be tried by the EA946 in sequence after the ActionTime has passed in an ERROR situation The sequence in which the numbers are dailed is from top to bottom If you go for select in the Telephone number box a screen will appear as b...

Page 10: ... break of approx 5 seconds to wait for e g call progress tones if the EA946 is connected through a home exchange The EA946 can only make dial up connections using the TONE DTMF mode Removing a telephone number You can remove a telephone number from the list shown by first selecting the number to be deleted and then selecting the Remove button Selecting a telephone number from the list A telephone ...

Page 11: ... The two possible messages are as follows Download This feature allows you to get the settings of the EA946 back to the windows programme In this way you can check how the EA946 was set or make quick changes on an existing configuration The progressing of the download procedure is shown in the same way as with the upload procedure by means of a progress bar Also is the data verified after download...

Page 12: ... the preset AlarmTime the internal buzzer will give when enabled a warning sign If during the ActionTime the studio signal has not returned above the preset minimum level the LED AUDIO ERROR shall be lit permanently and the AUX source will be activated and routed to the transmitter if the option Audio error was enabled in the Error detection box of the configuration program If during the ActionTim...

Page 13: ... past this can only be done by determining what has caused the unit to become active no audio or external indicated by LED s first take away this cause LED s go out and RESET the unit by pressing the RESET button on the front panel of the unit or by means of the reset possibility over the telephone line The external control input can also be used to disable the guard function of the unit By applyi...

Page 14: ... second number in the list The EA946 keeps dialling the numbers in the list until any of the calls is being answered A service call coming from the EA946 can be recognised by an intermitting tone DTMF 1 seperated by a approx 1 sec break The amount of sequential DTMF tones is equal to the identification number set This should be answered by pressing any key on the telephone dial pad If the EA946 ha...

Page 15: ...corrected EXAMPLE The AUX source can be monitored by pressing 3 and then if necessary the AUX source can be started with 7 and or stopped with 9 The studiosignal can be monitored by pressing 1 After checking the available audio sources you can select the source feeding the transmitter By pressing 4 the signal coming from the studio is routed to the transmitter and by pressing 6 the AUX source is r...

Page 16: ...5 pin DIN Female Hybrid I O Connection for EA815 1 PTT approved hybrid 9 pin D sub Female Monitor I O Connecting telephone extension home exchange connector 1 not connected 3 pin XLR Female 2 tel a wire 3 tel b wire RS 232 Connection for PC connector 1 not connected 9 pin D sub Female 2 Rx is TX from computer 3 Tx not used 4 9 not connected Front view EA946 Rear view EA946 ...

Page 17: ...e connector 1 gnd 9 pin D sub Female 2 start 3 stop 4 alarm 5 extern error 6 start 7 stop 8 alarm 9 extern error Ext L R Connection from EXTernal AUX source connectors 1 gnd 3 pin XLR Female 2 signal 3 signal Studio L R Connection from STUDIO connectors 1 gnd 3 pin XLR Female 2 signal 3 signal Out L R Connection to Transmitter connectors 1 gnd 3 pin XLR Male 2 signal 3 signal ...

Page 18: ...nction with firmware version of the PC board of 1686 3 or higher It is possible to make hardware modifications so firmware PC board version 1686 2 can be used For this contact your supplier Lower versions firmware are not supported with this version software to update it to the same facilities interstage Phistersvej 31 2900 Hellerup Danmark Telefon 3946 0000 fax 3946 0040 www interstage dk pro aud...

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