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Talisman III Dynamic Loop Amplifier Systems (TAL/DLS1/3 & TAL/DLS5/3)

Publication Code TAL-DLS-3_TIG Issue 3

Page 13

Document Change History

Issue

Details

Date

First Issue

Mar 00

Updated to include new standard clauses and company
details

May 01

Updates section 6 to include wiring details and referral to
additional programming features

Dec 01

Jumper setting investigated and recorded – See Customer
Services Department

Dec 01

Referenced Documentation

Title

Publication Code

Referenced Tools

Description

Part Number

Содержание Talisman TAL/DLS1/3

Страница 1: ... FEDERAL SIGNAL LIMITED PUBLICATION OF THIS INFORMATION DOES NOT IMPLY ANY AUTHORITY OR LICENCE FOR THE UTILISATION IN ANY MANNER IN ANY COUNTRY OR ANY PATENTED OR REGISTERED DESIGN FEATURES MECHANICAL ELECTRICAL OR AESTHETIC MILLBANK ELECTRONICS is part of FEDERAL SIGNAL LTD Signal House Charter Way Hurdsfield Industrial Estate Macclesfield Cheshire SK10 2NF England TEL 44 0 1625 66 66 00 FAX 44 ...

Страница 2: ...rature Failure to use the modular products in the manner described will invalidate the EC Compliance Our products meet the appropriate British and International standards A product Declaration of Conformity Statement is available for each of the product ranges available on request This covers both the EMC and Low Voltage Directives UNPACKING While all Millbank equipment is carefully packed to prev...

Страница 3: ...an earth is dangerous and may cause high levels of audible hum from the loudspeaker outputs 1 1 4 Avoid siting the equipment in locations exposed to direct sunlight near heaters or other heat sources Avoid locations with high humidity or dust levels Do not obstruct the ventilation slots in the amplifier case and if the amplifier is rack mounted ensure that a 1U ventilation panel is fitted above th...

Страница 4: ... of the internal pick up coils normally fitted to hearing aids Now with a suitably installed AFILS the hearing impaired can appreciate and enjoy everything that those with normal hearing do and as mentioned above the same type of system can be used to provide paging life safety communication in very noisy areas secret paging for security staff disturbance free audio for spoken commentary systems o...

Страница 5: ...nce to match exact requirements of the listener 3 4 Switchable Automatic Gain Control Compensates for differences between signal inputs microphones for example especially important for hearing aid users 3 5 Fast Acting Compression Circuitry Controls signal peaks without audible distortion and prevents generation of interference within the amplifier 3 6 L E D Display for optimum input levels and lo...

Страница 6: ...loop The graph corresponds to DLS use with the AGC switched on Thus the maximum r m s current in the loop is limited in the event of fault conditions such as feedback between loop and microphone If the amplifier is to be used with the AGC switched off a longer continuous current could be produced under fault conditions and therefore care should be taken to allow for this in selecting conductor typ...

Страница 7: ...loyed driven by separate amplifiers 4 6 Temporarily install the loop as close as possible to its final position and test with the taped speech or microphone and TAL DLS amplifier to confirm design parameters Hidden metalwork etc may cause reductions in field strength which can be compensated by adjusting the master control during this test In extreme cases the installation may prove totally unsuit...

Страница 8: ...t 5 seconds 4 13 As a final check the response control should be adjusted if necessary to achieve optimum frequency response 4 14 Set all unused input control to minimum 4 15 The notice supplied with the equipment informing potential hearing aid users that the system is installed should be clearly displayed 4 16 Before leaving the installation it is most important that the owner and users of the s...

Страница 9: ...c 1 10kHz Agc 5kHz Limiter Response Mode England SK10 2NF Ser No TAL DLS5 Dynamic Loop Amplifier System Hurdsfield Industrial Estate Macclesfield Cheshire Federal Signal Ltd Signal House 5 2 TAL DLS 5 3 1 Microphone Input Level Controls 2 Auxiliary Input Level Controls 3 Tone Control 4 Master Level Control 5 Loop Integrity Indicator 6 Loop Current Indicator 7 Input Level AGC Indicator 8 Input Leve...

Страница 10: ... microphone inputs are balanced with 200µV 200 sensitivity Signal is connected to pin 1 and the screen to pin 2 Wiring Instructions for Microphone Input 1 Wiring Instructions for Microphone Inputs 2 and 3 6 1 3 Auxiliary Up to two auxiliary input signals can be used these can be from signal sources such as Cassette Radio or CD players Two sensitivity levels are provided at 300mV low and 50mV high ...

Страница 11: ...put level controls located on the front panel In the limiter mode the input level should be set such that the limiter LED only illuminates during signal peaks For hearing impaired applications Set the response switch to 5KHz the mode switch to AGC The AGC input level LED should illuminate only whilst signal is passing through the equipment For silent paging applications Set the response switch to ...

Страница 12: ...p The guarantee does not extend to damage caused by improper installation improper storage misuse or operation outside stipulated conditions Our warranty covers only goods returned to our premises for either repair or replacement as deemed appropriate by Federal Signal Ltd In order to expedite the process Contact your supplier and quote the model and serial number of your equipment Should you requ...

Страница 13: ...irst Issue Mar 00 02 Updated to include new standard clauses and company details May 01 03 Updates section 6 to include wiring details and referral to additional programming features Dec 01 03 Jumper setting investigated and recorded See Customer Services Department Dec 01 Referenced Documentation Title Publication Code Referenced Tools Description Part Number ...

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