Eela Audio EA 946 Instructions For Use Manual

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USER MANUAL

EA 946 MODULATION GUARD

Dealer:

Manufacturer:

EELA AUDIO

Parmentierweg 3

interstage

5657 EH EINDHOVEN

Phistersvej 31, 2900 Hellerup, Danmark

The Netherlands

Telefon 3946 0000, fax 3946 0040

www.interstage.dk

Tel: +31-40-251 04 84

- pro audio with a smile

Fax: +31-40-257 04 82

Internet: www.eela.nl

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Summary of Contents for Eela Audio EA 946

Page 1 USER MANUAL EA 946 MODULATION GUARD Dealer: Manufacturer: EELA AUDIO Parmentierweg 3 interstage 5657 EH EINDHOVEN Phistersvej 31, 2900 Hellerup, Danmark The Netherlands Telefon 3946 0000, fax 3946 0040 www.interstage.dk Tel: +31-40-251 04 84 - pro audio with a smile Fax: +31-40-257 04 82 Internet: www.eela.nl...
Page 2: Table Of Contents
EA 946 MODULATION GUARD VERSION 2.10; INSTRUCTIONS FOR USE 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.
Page 3: Function
EA 946 MODULATION GUARD VERSION 2.10; INSTRUCTIONS FOR USE FUNCTION: The EA946 is meant to monitor the signal going to the transmitter to detect silence in case of a failure in the audio feed. There is also an external fault-detect input available on the EA946 by means of a DC (optocoupler) input, which can e.g.
Page 4: Installation
MONITOR I/O. If you want to use a direct 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.
Page 5: Install The Windows Software
EA 946 MODULATION GUARD VERSION 2.10; INSTRUCTIONS FOR USE INSTALL THE WINDOWS SOFTWARE : Before the EA946 can be put into operation, the most suitable setup has to be programmed. For this, the Windows setup programme, delivered with the unit has to be installed on a PC first.
Page 6: Remove The Windows Software
EA 946 MODULATION GUARD VERSION 2.10; INSTRUCTIONS FOR USE REMOVE THE WINDOWS SOFTWARE : If you want to remove the Windows programme from the harddisk, the best way to proceed is to follow these instructions: n Click on the Windows Start button on the lower lefthand side of the screen.
Page 7: Making Presets
EA 946 MODULATION GUARD VERSION 2.10; INSTRUCTIONS FOR USE MAKING PRESETS: Before the EA946 can be operational, the PC and the enclosed PC configuration programme must be used to enter the service telephone numbers. With this programme it is also possible to set the detect level threshold and determine the behaviour of the START &...
Page 8: Software Settings/Items
EA 946 MODULATION GUARD VERSION 2.10; INSTRUCTIONS FOR USE SOFTWARE SETTINGS/ITEMS. Functional options: In the Error detection box you can determine on which fault situations the EA946 should react. With Audio error selected, you want the EA946 to react when the level of the audio signal comes below a selected minimum level.
Page 9 EA 946 MODULATION GUARD VERSION 2.10; INSTRUCTIONS FOR USE Dial interval: In the Dial interval box a time can be set to determine the time the unit will keep on ringing one telephone number before, when not answered, going on to the next.
Page 10 EA 946 MODULATION GUARD VERSION 2.10; INSTRUCTIONS FOR USE Adding a telephone number: By selecting ‘Add’, a new telephone number can be added to the list, which can be used later. A name as well as a telphone number has to be inserted; the OK-button will not be active until the data is complete.
Page 11: Function Buttons
EA 946 MODULATION GUARD VERSION 2.10; INSTRUCTIONS FOR USE FUNCTION BUTTONS. Upload: With this feature, it is possible to send the settings made in the configuration programme to the EA946. A progress bar (as shown below) displays the progressing of the upload procedure.
Page 12: Operational Principle
EA 946 MODULATION GUARD VERSION 2.10; INSTRUCTIONS FOR USE OPERATIONAL PRINCIPLE: After the downloading has been successful, or after the RESET switch is pressed, the EA946 automatically comes into operational (guard) mode. The AUDIO-signal and the external (if “error detect” function is activated) control input are being monitored.
Page 13 EA 946 MODULATION GUARD VERSION 2.10; INSTRUCTIONS FOR USE The EA946 returns to its normal monitoring mode if the studio signal returns (or the external error input is not active) before the "ActionTime" has past, the flashing LED "AUDIO ERROR" (and/or LED "EXT ERROR") will go out; the buzzing will also stop.
Page 14: Remote: Answering A Service Call Coming From The Ea946
EA 946 MODULATION GUARD VERSION 2.10; INSTRUCTIONS FOR USE REMOTE: ANSWERING A SERVICE CALL COMING FROM THE EA946 : Always make sure the persons who could expect a service call from the EA946 know of this possibility, can recognise such a service call and know how to answer or...
Page 15 EA 946 MODULATION GUARD VERSION 2.10; INSTRUCTIONS FOR USE REMOTE CONTROL BY MEANS OF THE TELEPHONE DIAL PAD: The control commands are existing of a figure (DTMF tone) and have to be preceded by a '*'. The layout and the functions are as follows;...
Page 16: Connections
EA 946 MODULATION GUARD VERSION 2.10; INSTRUCTIONS FOR USE CONNECTIONS: Front view EA946 Rear view EA946 Power Connection for MAINS Adaptor 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).
Page 17 EA 946 MODULATION GUARD VERSION 2.10; INSTRUCTIONS FOR USE Control Connections for control external AUX source. connector 1 = gnd 9 pin D-sub Female 2 = start (+) 3 = stop (+) 4 = alarm (+) 5 = extern error (+)
Page 18 EA 946 MODULATION GUARD VERSION 2.10; INSTRUCTIONS FOR USE REMARK; CHANGING EXISTING HARDWARE: This 2.10 version software can only be used in conjunction 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.