Compact loop system for vehichles and tv-lounges (12 pages)
Summary of Contents for Edin Univox Tech Series
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Univox® SLS-3/5 Class D Tech Series State of the art phased array loop drivers Installation Guide Univox SLS-3 part no 223000 ® Univox SLS-5 part no 225000 ®...
Introduction Univox SLS-3/5 series ® The Univox® SLS 3/5 phased array loop drivers combine 50 years of experience with the newest electronic design to deliver unrivalled quality in a compact stylish housing� In addition to the extraordinary sound clarity, power and performance, the outstanding features for these cold amplifiers are low weight, small size and exceptionally high efficiency�...
Overview Connections and controls 1� Input level potentiometers 2� Input level LED bar graph 3� Parametric MLC control 4� Parametric MLC knee point switch 5� System diagnostics switch and LED 11� DC supply input 12� Master/Slave loop connector 13� Monitor volume control for both headphones and speaker output A.
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6� Loop current potentiometers master/slave 7� Loop current led bar graphs 8� Peak LEDs Master/Slave 9� Loop monitor headphones socket 10� Power LED C. INPUT 2 20� Speech enhancement switch (Flat/Speech) • • 21� 50-100 V Line switches On/Off • 22�...
Description 1-2� Input level should be set to 0 dB with maximum peaks reaching +12 dB (i�e� the 0 dB LED should be lit most of the time during the audio programme and the +12 dB LED will flicker occasionally)� 3-4�...
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16� Remote input monitor connector indicates at -6dB input level Pin 4+5 (5=GND) = LED connection , indication/diagnostic test 17� Remote Output Monitor Connector indicates at 0 dB output level Pin 5+6 (5=GND) = LED connection, indication/diagnostic test INPUT 3 (PHOENIX SCREW TERMINAL/RCA) 18�...
Installation Planning Calculations for coverage area, metal loss, signal sources, power outlets, dissipating heat and ventilation for loop driver placement and other practical installation issues, must be done prior to the on-site installation� Please refer to www.univox.eu/planning Use Univox Loop Designer (ULD), a free, web-based project planning and design tool that quickly and accurately assists in the design of loop systems�...
Placement of the microphones Microphone placement and proximity between microphone and mouth is crucial for improved speech intelligibility� Use shortest distance possible between microphone and mouth/sound source� Commissioning and certification It’s important to check the system when the installation is completed� To ensure that the loop installation meets the requirements for field strength, consistency and frequency response, it must comply with the international standard IEC 60118-4�...
System setup Start-up procedure 1� Disconnect all input and output connections� 2� Each loop must be securely isolated (particularly to safety-ground and other loop connections)� Verify the resistance of each loop (approximately 1-3 Ohm)� 3� Set all level controls to minimum setting: •...
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to -3dB to 0dB at the peaks� If Peak 15� Set field strength LED flickers only momentarily the connection is acceptable� If Peak LED indicates continuously, try rewireing the connections in the junction box in subsequent order: one wire single III) turn and then two parallel wires single turn�...
Metal Loss Correction frequency setting The degree of compensation for metal loss is adjusted with the MLC potentiometer � The start/break frequency is set with the Parametric MLC knee point switch marked: 100Hz, 500Hz, 1kHz, 2kHz� 1� Start with the break frequency set to 2kHz� 2�...
MLC function in maximum position 0 dB -5 dB -10 dB -15 dB 100 Hz 1 kHz 10 kHz Symptom Possible cause Solution Intelligibility of sound Low frequency masking Turn speech enhancement filter on from microphone is poor Poor microphone user Instruct user/reduce speaking distance techniques Microphone connected,...
Safety The equipment should be installed by an audio visual technician observing 'good electrical and audio practice' at all times and following all the instructions within this document� Only use the power adapter supplied with the unit� If the power adapter or cable is damaged, replace with a genuine Univox part�...
For additional information, please refer to product data sheet and CE certificate which can be downloaded from www�univox�eu/products� If required, other technical documents can be ordered from support@edin�se� Environment To prevent possible harm to the environment and human health, please dispose of the product responsibly by following statutory disposal regulations�...
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(Univox) Bo Edin AB +46 (0)8 767 18 18 Stockby Hantverksby 3, info@edin.se SE-181 75 Lidingö, Sweden www.univox.eu Hearing excellence since 1965...
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