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Aethra THE VOICE, Инструкция по установке и эксплуатации

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INSTALLATION AND USER’S MANUAL REV. 2                                                                                        

-The Voice-

 

 

4. 

USING EXTENSION MICROPHONES 

The Audio Conferencing Unit External microphones have excellent unidirectional 
characteristics that optimize voice pickup while eliminating background noise.  

Together with a voice activated circuit that keeps unused microphones attenuated, the 
ACU with External Microphones solves the common problems found in large-group audio 
conferencing applications. 

4.1. 

Connecting extension microphones 

Connect the microphone cables to the Audio Conferencing Unit as shown in the figure 
below: 

 

4.2. 

Setting up of the external microphones for the best pickup 

To ensure the best performance: 

 

Set the extension microphones  
1.5-2 m (5-7 ft) from Audio Conferencing Unit. 

 

participants should sit 1 m (3 ft) from microphone. 

CHAPTER 5. TROUBLESHOOTING AND MAINTENANCE 

19

Содержание THE VOICE

Страница 1: ...Audioconferencing System The Voice INSTALLATION AND USER MANUAL ...

Страница 2: ...s manual is property of Aethra Telecomunicazioni s r l it is subject to change without notice and does not involve any responsibility by Aethra Telecomunicazioni s r l Copyright Aethra Telecomunicazioni Srl 1999 All rights reserved Rev 2 October 2000 Cod 074000116 This manual is composed of 33 pages ...

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Страница 5: ...2 3 How to ensure better performance 11 3 USING THE AUDIO CONFERENCING UNIT 13 3 1 Adjusting the phone ringer volume 13 3 2 Selecting pulse dialing 13 3 3 Outgoing calls 14 3 4 Incoming calls 14 3 5 phonebook 14 3 5 1 Memorization 14 3 5 2 Cancelling the operation 15 3 5 3 Cancelling the number 15 3 5 4 Location not free 15 3 6 Calling a memorized number 15 3 7 Speaker Volume 16 3 8 Redial 16 3 9 ...

Страница 6: ...tting up of the external microphones for the best pickup 19 4 3 Switching on a microphone 21 4 4 Muting a microphone 21 5 TROUBLESHOOTING AND MAINTENANCE 22 5 1 Preventive maintenance 22 5 2 Troubleshooting 22 6 TECHNICAL SPECIFICATIONS 25 6 1 Use and storage conditions 26 6 2 Reference regulations CE mark and reliability tests 26 7 FCC REQUIREMENTS 29 8 CTR21 APPROVAL WARNING 31 IV TABLE OF CONTE...

Страница 7: ...rmanent connection WARNING RISK OF ELECTRIC SHOCK The power supply used by this device involves lethal voltage levels Do not access internal parts of the device and or of the power supply unit If objects or liquids penetrate inside the device immediately disconnect the power supply cable Before using the device again have it checked by specialized staff Refer to qualified staff for service In case...

Страница 8: ... the connection cables disconnect the power supply and avoid direct contacts with the connector terminals Failure to comply with these warnings could cause permanent damage to device CLEANING To clean the device use a soft cloth either dry or soaked with little detergent Never use any type of solvents such as alcohol or gasoline to avoid damaging the finish 6 SAFETY RULES ...

Страница 9: ...ion without the noise echo and feedback common in most speakerphones Designed to work with an analog telephone line the system features advanced Digital Signal Processing and software controlled functions It s easy to use and will ensure that you always receive high fidelity sound during your conference calls TOP BOTTOM CHAPTER 1 INTRODUCTION 7 ...

Страница 10: ...ate telephone required Pulse or tone dialing mode Phonebook with 100 numbers Built in loudspeaker Software controlled room noise monitors and telephone line noise monitors Automation Gain Control to minimize talking loudness variations Ringer tone switch Ordinary telephone connector One auxiliary jack for recording a conference Expandability to include two extension microphones 8 CHAPTER 1 INTRODU...

Страница 11: ...ck 4 meter 13 ft cable with two RJ 11 modular plugs for connection to any analog telephone network a power supply cable to connect the Audio Conferencing Unit to the power line supply user s guide 2 1 Connection and supply module for the audio conferencing system The Audio Conferencing Unit is intended for use when supplied with power from the Audio Supply Module The module includes a switch on th...

Страница 12: ... the AUDIO SUPPLY MODULE into a wall jack of a standard analog telephone line 3 Plug the power cable from the AUDIO SUPPLY MODULE into an AC socket 4 The AUDIO CONFERENCING UNIT will run a self test The LEDs will flash and then you will hear a tone 5 Place the AUDIO CONFERENCING UNIT on a stable surface and dial the desired telephone number 6 OPTIONAL To utilize the privacy feature plug the cable ...

Страница 13: ...when installing or connecting telephone lines ALWAYS place the AUDIO SUPPLY MODULE on the floor 2 3 How to ensure better performance For best microphone coverage place Audio Conferencing Unit in the center of the conference table Participants should be seated uniformly around the ACU to minimize level differences in the pick up of voices In noisier rooms participants need to be closer to the modul...

Страница 14: ...meter 1 foot away from the ACU WARNING The system is designed to cope with the worst acoustic and line conditions and will ensure good performance even at maximum volume Minimum howling or sound distortion can be avoided by reducing the volume especially during the first 60 seconds of operation 12 CHAPTER 3 USING THE AUDIO CONFERENCE UNIT ...

Страница 15: ...g the phone ringer volume A ringer volume switch is available with SILENT LOW and HIGH positions on the bottom side of the UNIT 3 2 electing pulse dialing Press SHIFT then press REDIAL to select the PULSE dialing mode The UNIT reverts to tone mode when cycled off or when the SHIFT REDIAL is pressed again You will hear a tone for each toggle CHAPTER 3 USING THE AUDIO CONFERENCE UNIT 13 ...

Страница 16: ... the same time the LEDs flash Press key to activate the hands free function 3 5 Phonebook 3 5 1 Memorization Check that the handset is on hook then press SHIFT and FLASH the music and the yellow LED s flashing indicate the phonebook mode Select the memorization code 00 99 on the keypad example The green LED s start flashing to indicate that the location is free Dial the telephone number maximum 40...

Страница 17: ...S start flashing the selected location is free 3 5 4 Location not free If flashing the red LED s indicate that the location is not free To cancel the operation press SHIFT and FLASH and then follow the instructions for memorization 3 6 Calling a memorized number Check the code that corresponds to the user name in the phonebook Press key to activate the hands free function then press SHIFT and dial...

Страница 18: ...lar phone to the Audio Supply Module You may revert to using the handset at any time When the UNIT is off lift the heandset The three LEDs on the corner will go off You may then use the handset to establish a call to dial a telephone number or to end the call To go back to hands free mode hang up the handset The three LEDs will turn yellow Once a call is connected you may also revert to using the ...

Страница 19: ...e MUTE or the ON key again 3 12 Flash When a call is in progress press FLASH to transfer the call from one set to another After the dial tone has been heard the caller can transfer the call by dialing the desired telephone number and hanging up the UNIT by pressing the 3 13 Recorder output To record an audio conference session connect the recorder unit to the RCA jack available on the AUDIO SUPPLY...

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Страница 21: ...nuated the ACU with External Microphones solves the common problems found in large group audio conferencing applications 4 1 Connecting extension microphones Connect the microphone cables to the Audio Conferencing Unit as shown in the figure below 4 2 Setting up of the external microphones for the best pickup To ensure the best performance Set the extension microphones 1 5 2 m 5 7 ft from Audio Co...

Страница 22: ...he Voice INSTALLATION AND USER S MANUAL REV 2 The following examples show several positions of the external microphones for the best pickup Example 1 Example 2 20 CHAPTER 5 TROUBLESHOOTING AND MAINTENANCE ...

Страница 23: ...mute all microphones and the Audio Conferencing System press MUTE The led will turn red To resume the communication depress the MUTE button and the LED will turn green To shut off a single extension microphone switch to OFF the ON OFF switch The LED MUTE will turn red Switch to the ON position and the microphone is activated again CHAPTER 5 TROUBLESHOOTING AND MAINTENANCE 21 ...

Страница 24: ... power supply cable is plugged into a working 120 Vac 60 Hz outlet 2 Verify that the green light glows steadily 3 Make sure telephone line is plugged into telephone line connector on the SUPPLY MODULE 4 Make sure telephone line is not a digital PABX line but is a standard analog telephone line Problem Corrective Action Dialed party can t hear conversation originating from your end of the call 1 Ve...

Страница 25: ...ing again Low level conversation or pulses can be heard from loud speaker Cross talk on the telephone line or in the PBX may be present Hang up and re dial If the condition persists contact your telephone service provider Remote party complains that your voice is garbled Move your ACU away from any large reflective surfaces Volume will go up but not down or vice versa Module emits a howling sound ...

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Страница 27: ...s reduced at the adaptive estimation of the Tx noise level AUX OUTPUTS Line Level 100 Ohm NETWORK INTERFACE RJ 11 Type single line analog on PSTN POWER REQUIREMENTS 104 126 VAC 188mA maximum DIMENSIONS ACU 30cm x 30cm x 7cm SUPPLY MODULE 10cm x 20cm x 6 5cm WEIGHT ACU 1 Kg SUPPLY MODULE 0 850 Kg LINE VOLTAGE 115 230 VAC 60 50 Hz with Voltage selector switch TEST FREQUENCY 1kHz MAXIMUM TOTAL HARMON...

Страница 28: ...sino STORAGE TEMPERATURE 25 C 55 C 6 2 Reference regulations CE mark and reliability tests STORAGE CEI 50 3 CEI EN 60068 2 1 IEC 68 2 2 TRANSPORT CEI 50 6 IEC 68 2 32 IEC 68 2 36 OPERATING CONDITIONS CEI 50 3 CEI EN 68068 2 1 IEC 68 2 2 IEC 68 2 3 IEC 68 2 14 CEI 50 6 IEC 68 2 31 IEC 68 2 32 IEC 68 2 36 CONDUCTED EMISSIONS CEI EN 55022 IRRADIATED EMISSIONS CEI EN 55022 IMMUNITY CEI EN 50082 1 SAFE...

Страница 29: ...oduct complies with EEC 89 336 directive on electromagnetic compability EEC 73 23 directive Low Voltage on safey rules and EEC 91 263 directive on telecommunication devices as amended by EEC 92 31 and 93 68 directives CHAPTER 6 TECHNICAL SPECIFICATIONS 27 ...

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Страница 31: ...r telephone company to determine the maximum REN for your calling area If your telephone equipment causes harm to the telephone network the telephone company may discontinue your service temporarily If possible they will notify you in advance But if advance notice isn t practical you will be notified as soon as possible You will be informed of your right to file a complaint with the FCC Your telep...

Страница 32: ...ence to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures reorient or relocate the receiving an...

Страница 33: ...ween the individual PSTNs provided in different countries the approval does not of itself give an unconditional assurance of successful operation on every PSTN network termination point In the event of problems you should contact your equipment supplier in the first instance NETWORK COMPATIBILITY DECLARATION This equipment has been designed and tested to interwork with all the public switched tele...

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