Williams Sound DL 102 Users Manual
DL102
Counter Loop Amplifier
USER MANUAL
MAN 234A
Contents
Overview ............................................................................................................................................3
System Includes ..................................................................................................................... 3
Maintenance and Recycling Instructions ................................................................................. 3
Safety Information ........................................................................................................................... 4
Quick Setup ......................................................................................................................................5
Setup ...................................................................................................................................................6
Loop Amplifier .........................................................................................................................6
Wiring a Counter ....................................................................................................................6
Connect Loop Wire to the Loop Output Terminals .....................................................6
Placing a Loop Mat ................................................................................................................6
Connect Audio Outputs to Loop Amplifier Inputs .......................................................8
Connect Power to the Amplifier ........................................................................................9
Operation ......................................................................................................................................... 10
Volume Control ..................................................................................................................... 10
Microphone ............................................................................................................................ 10
Line Inputs .............................................................................................................................. 10
Troubleshooting ..............................................................................................................................11
Specifications ................................................................................................................................. 12
Warranty ............................................................................................................................................14
2
Overview
Thank you for purchasing the DL102 counter loop amplifier.
The DL102 loop amplifier provides a practical solution for a user to hear with their T-coil
enabled hearing device in small areas such as counters and service desks.
Audio is wired into the DL102 amplifier via a line input or microphone. Audio is fed from the
amplifier through the loop wire in the area where a T-coil hearing device can pick-up the
audio.
With no direct connection between the user and service personnel, users can hear
eectively when using the T-coil in their customized hearing devices.
This loop system may be supplied with a loop pad or spool of wire.
System Includes
DL102
DL102 amplifier
Power supply
AC line cord
Loop notice stickers
Set of adhesive cable clips
MIC 103 - Microphone
DL102 SY1
DL102 amplifier
Power supply
AC line cord
Loop notice stickers
Set of adhesive cable clips
MIC 103 - Microphone
PLW 037 (120ft Spool of wire)
PLM 001 - Loop Pad
Maintenance and Recycling Instructions
Help Williams AV protect the environment. Please take the time to dispose of
your equipment properly.
Product Recycling:
Please do NOT dispose of your Williams AV equipment in the household trash.
Take the equipment to a electronics recycling center, or return the product to
the factory for proper disposal.
3
Safety Information
Servicing or attempting to service this device will void the warranty
Refer servicing to qualified personnel. Servicing is required when the system has been
damaged in any way: if liquid has been spilled or objects have fallen into the unit, if the unit
has been exposed to moisture, if the unit does not operate normally, or if the unit has been
dropped.
Do not block any ventilation openings. Install in accordance with manufacturer’s instructions.
Do not install near any heat sources such as radiators, heat registers, stoves, or other
apparatus that produces heat.
Use only attachments/accessories specified by the manufacturer.
Unplug the amplifier during lightning storms or when unused for long periods of time.
Be advised that dierent operating voltages require the use of dierent types of line cord
and attachment plugs. Check the voltage in your area and use the correct type.
Use only the power supply provided by Williams AV. Other power supplies may have similar
specifications, but may not be equivalent in emissions ratings, in-rush current, etc. Use of an
unapproved power supply may leave the device partially or completely inoperable, and will
void the warranty.
CAUTION: The power cord must be disconnected BEFORE any audio connections
are made to the loop amplifier. To completely disconnect the system from the power cord,
please remove the line cord plug from the wall socket.
CAUTION: The surface of the amplifier may become hot when operating this sys-
tem continuously. Do not touch the surface during use or block the ventilation holes.
4
Quick Setup
Phoenix style connector
Phoenix style connector
Top
Front
1. Check the contents of package.
2. Place the amplifier near the sound source.
3. Connect audio leads and/or microphone between the sound source and the loop
amplifier.
4. Place the loop cable or pad in position and connect both ends of wire to the loop
cable connector on the top of the loop amplifier.
5. Connect the line cord to the power supply unit
6. Plug the power supply unit lead into the amplifier.
7. If you have a field strength meter, adjust the loop amplifier to a field strength of
400mA/m in the looped area to meet the IEC 60118-4 specification.
8. Switch your hearing device to be in T-coil mode (follow instructions for your specific
hearing device).
Figure 1: Controls for the DL102
5
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