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Approved Document No. DAU0000050 Rev 

2

 • Page 1

DL50/K

AUDIO-FREQUENCY
INDUCTION LOOP KIT

INSTALLATION &
SET-UP MANUAL

Please read these instructions carefully before
installing your DL50 induction loop system

About this kit .............................................................................................. 2
What is an induction loop system? .......................................................... 2
Familiarisation with your DL50 induction loop amplifier ...................... 3
Planning the system .................................................................................. 4
Safety precautions ...................................................................................... 6
Connecting the unit ................................................................................... 6
System set-up and testing ......................................................................... 8
Troubleshooting ......................................................................................... 10
Technical specification .............................................................................. 11

© Errors and omissions excepted.  The manufacturer of this equipment operates a policy of continuous
improvement & reserves the right to alter product specifications at its discretion & without prior notice.

Approved Document No. DAU0000050 Rev 

2

 • Page 12

Summary of Contents for DL50/K

Page 1: ...system 2 Familiarisation with your DL50 induction loop amplifier 3 Planning the system 4 Safety precautions 6 Connecting the unit 6 System set up and testing 8 Troubleshooting 10 Technical specification 11 Errors and omissions excepted The manufacturer of this equipment operates a policy of continuous improvement reserves the right to alter product specifications at its discretion without prior no...

Page 2: ... this kit What is an induction loop system This kit includes everything you need to create a high quality stand alone loop system for a living room bedroom TV lounge study or any other room up to 7m x 7m 23ft x 23ft in size Please ensure that the following accessories are included in your kit 1 x DL50 audio frequency induction loop amplifier 1 x Plug top power supply 1 x 33m 108ft reel of inductio...

Page 3: ...NE CONTROL HEADPHONE SOCKET INPUT SIGNAL LEVEL CONTROL INPUT SIGNAL INDICATOR LOOP STRENGTH METER POWER ON INDICATOR LOOP SIGNAL CONTROL indicates the power being driven into the loop If no sound is being picked up by the hearing aid or induction loop test receiver first check that the amplifier s power indicator is lit Troubleshooting If the power indicator IS lit Check that the amplifier s input...

Page 4: ...mestic loop system Detailed connection diagrams and system set up information can be found later on in this manual Approved Document No DAU0000050 Rev 2 Page 9 When testing the installation you may hear a slight humming noise in the background especially if using an induction loop test receiver This IS NOT a fault with the induction loop system but a common occurrence caused by mains wiring This h...

Page 5: ...ched Overspill and cross talk The signal generated by the loop will radiate outside as well as inside the loop If there are any other loop systems in close proximity overspill such as this may lead to cross talk signals from different loops merging into one Although not usually a problem in domestic applications special designs of loop can be implemented to help reduce the overspill field In the u...

Page 6: ...V a c input on the rear of the amplifier Connecting the loop cable Both ends of the loop cable should be connected to the amplifier s loop cable push and hold terminals as shown below Attaching the cabinet feet The four self adhesive rubber feet provided in the DL50 s accessory pack should be stuck to the underside of the amplifier as shown Connecting the alert input The alert input is designed fo...

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