Univox SLS-3 Installation Manual

Class d tech series

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Univox® SLS-1/3/5
State of the art phased array loop drivers
Class D Tech Series
Installation Guide
Univox
SLS-1
part no 221000
®
Univox
SLS-3
part no 223000
®
Univox
SLS-5
part no 225000
®

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Summary of Contents for Univox SLS-3

  • Page 1 Univox® SLS-1/3/5 Class D Tech Series State of the art phased array loop drivers Installation Guide Univox SLS-1 part no 221000 ® Univox SLS-3 part no 223000 ® Univox SLS-5 part no 225000 ®...
  • Page 2: Table Of Contents

    Technical data ���������������������������������������������������������������������������������������������������������������������������������������� 15 Environment �������������������������������������������������������������������������������������������������������������������������������������������� 15 Measuring devices ���������������������������������������������������������������������������������������������������������������������������������� 15 Univox® FSM 2�0, Field Strength Meter ��������������������������������������������������������������������������������������� 15 Univox® Listener, testing device ��������������������������������������������������������������������������������������������������� 15 The Installation Guide is based on the information available at the time of printing and are subject to change without notice�...
  • Page 3: Introduction

    Our Engineering Simplicity philosophy is shown in the functionality and usability of each model� The three models SLS-1, SLS-3 and SLS-5 share the same features but with different output power� Each offers 3 inputs - 2 of which are programmable - including a 100V line input with priority option, a self-test mode, loop monitor and monitor speaker power driver�...
  • Page 4: Connections And Controls

    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.
  • Page 5 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�...
  • Page 6: Description

    Power LED verifies power supply connection 11� 4 pin DC Supply socket for secure connection of Univox approved power supplies 90-260VAC, 50-60Hz, only� Connect the power to the amplifier before connecting to the network, otherwise there is a risk of sparking�...
  • Page 7 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 B. INPUT 3 (PHOENIX SCREW TERMINAL/RCA) 18�...
  • Page 8: Installation

    Placement of the driver The Univox SLS-1, SLS-3 and SLS-5 loop drivers will not generate any excessive heat and can be mounted in 19" racks on top of or below other rack components (check that these don’t generate excessive heat), on a wall or another flat surface�...
  • Page 9: Placement Of The Microphones

    A guide how to commission a loop system to the IEC performance standard, can be found in the user guide for the Univox FSM 2�0 field strength meter and in the Univox® Certificate of Conformity� These documents are also available on www�univox�eu/certify�...
  • Page 10: System Setup

    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: •...
  • Page 11 With this procedure the unit will operate with the highest output possible without generating any heat� Note: To quickly set up the field strength for a real program source, a PPM instrument is helpful� The Univox Listener has a calibrated level indicator that quickly finds the highest peak� I) 2-turn serial...
  • Page 12: Metal Loss Correction Frequency Setting

    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�...
  • Page 13: Mlc Function In Maximum Position

    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,...
  • Page 14: Safety

    Only use the power adapter supplied with the unit� If the power adapter or cable is damaged, replace with a genuine Univox part� Power adapter must be connected to a mains outlet close to the amplifier and easily accessible�...
  • Page 15: Service

    Technical data 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�...
  • Page 16 (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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