Contacta HLD4 Manuel d'utilisation
Home Loop
Installation &
User Guide
June 2023
HLD4 Hearing Loop Driver
Contents
Introduction
Components
Important Safety Instructions
Quick Setup
TV Connections
Product Overview
Setup Instructions
Connections
Operation
Troubleshooting
3
3
4
6
7
9
10
12
14
17
Contacta has a policy of continuous product development, therefore small specication changes
may not be reected in this manual. Images, labels, packaging, accessories and product colours
are subject to change without notice.
3
Introduction
Our Home Loop is a sleek and powerful hearing loop driver that
connects to televisions and other audio devices.
It enables hearing instrument wearers to listen wirelessly directly from
the source, providing the best possible sound quality. Integrated clear
audio processing gives the user outstanding sound quality, enhancing
speech and music clarity.
Suitable for home and business use in small rooms where a television
or sound system is present.
Components
1
23
456
1. Power supply
2. HLD4 Hearing Loop
Driver
3. Hearing loop pad with
loop aerial built into it,
or,
40m hearing loop cable
4. Microphone with a 1.2m cable
5. 3.5mm stereo jack plug to 2 x
RCA adapter
6. 2 x phono to 2 x phono lead
7. 1m TOSlink optical lead
7
4
Important Safety Instructions
The manufacturer cannot be held responsible for damage which is
caused by not using this hearing loop system in compliance with these
safety instructions.
IF IN ANY DOUBT SEEK EXPERT ADVICE
1. Read and follow these instructions taking note of any warnings.
Keep these instructions for future reference.
2. Do not use the system or accessories near water.
3. Do not expose the system or accessories to rain or any other
source of moisture.
4. Should the hearing loop driver require cleaning only do so with a
dry cloth.
5. Ensure that there is enough room around the hearing loop driver
for ventilation purposes.
6. Do not cover the ventilation holes of the hearing loop driver with
anything.
7. Do not place the hearing loop driver close to sources of heat, such
as radiators.
8. Place all connecting and power leads where they will NOT be a
hazard or become damaged.
9. Do not open casing of the hearing loop driver at any time; there
are NO user serviceable parts.
10. Servicing must be referred to qualied service personnel.
11. Batteries should not be exposed to excessive heat such as
sunshine or re.
5
CAUTION: Ensure mains power is disconnected BEFORE any audio
connections are made to the hearing loop driver. To completely
disconnect the system from the mains, remove the mains plug from
the wall socket.
CAUTION: The top surface of the hearing loop driver may become
hot when operating this system continuously. Do not touch the top
surface during use or block the ventilation holes.
United Kingdom - connection to mains supply:
This apparatus must be protected by a 3amp fuse if a 13amp (BS1363)
plug is used. Be sure to replace the fuse only with an identical
approved type, as originally tted, and to replace the fuse cover.
IMPORTANT: The wires in this mains lead are coloured in accordance
with the following code:
Blue: Neutral
Brown: Live
If you need to change the mains plug supplied, the colours of the
wires in the mains lead of this apparatus may not correspond with the
coloured markings identifying the terminals in your plug.
Proceed as follows:
The wire coloured BLUE must be connected to the terminal marked
with the letter N or coloured BLACK.
The wire coloured BROWN must be connected to the terminal which is
marked with the letter L or coloured RED.
DO NOT make any connection to the terminal which is marked with
the letter E or coloured GREEN.
6
Quick Setup
For full setup instructions, please see page 10.
1. Before you begin, please check the contents of your package. You
will have received either a loop pad kit or a loop cable kit.
2. To set up your hearing loop driver, place it near your TV or audio
equipment. Connect audio leads between your TV or audio system
and hearing loop driver.
3. Loop Cable: Place the loop cable around the room and connect
both ends of the cable to the connectors on the rear of the hearing
loop driver.
OR,
Loop Pad Kit: Place the loop pad kit in the desired location and
connect this to the rear of the hearing loop driver.
4. Plug the power supply unit lead into the HLD4 hearing loop driver
and connect the mains lead to the power supply.
5. Connect the unit to a power source then turn the driver on.
6. Select the source button(s) on the front of the driver corresponding
to your audio inputs. See buttons 4-7 on page 9 for more details.
7. Switch your hearing device to “T”.
8. Finally, adjust hearing loop driver volume/tone to suit your
listening needs.
9. Setup is now complete!
7
TV Connections
Connecting Directly to a Television
If connecting directly to a TV set via optical then you must make sure
that the TV is set to PCM. To do this go into the audio/sound settings
menu on the TV and look for digital audio output/optical out, normally
this would be set to Dolby digital, it needs to be changed to PCM.
Please note that some Televisions auto switch this setting!
NOTE: Using the microphone supplied with your equipment attached
to the speaker grille of the television will return good results and is an
excellent back-up way to connect to the TV.
Setting up your equipment with direct connection to
Sky Q & Sky HD Boxes via Optical
• Press Home on your Sky Q remote, select Settings, then select
Setup
• Select Audio visual, then select Digital audio output optical and set
it to NORMAL
• Press the GREEN button to save the settings
• Power OFF the Sky Box, leave for 30 seconds and turn back on,
leave for 5 minutes until the box has had chance to re-calibrate
itself and then test the system
Setting up equipment with direct connection to Virgin
Media Set Top Boxes via Optical
• Press Home on your remote
• Select Help & Settings
8
• Select Settings
• Select Audio
• Choose Dolby Digital to PCM. This setting applies to both HDMI
and optical out.
• Power down the box for 5 minutes, restart the box, leave for a few
minutes and test the
system
• Virgin Media 360 Boxes ONLY: Select Settings > Audio & Video >
Follow Content > Restart Box
Why don’t I get audio from digital sources (Netflix,
Apple TV, FireStick, etc)?
Audio coming from certain content providers or devices (Netix,
Amazon Prime, Apple TV etc.) is by default set to output Dolby and not
PCM.
In order to resolve this, you will need to change the digital audio
output format in the app or device to PCM, rstly try the normal audio
settings within the app, however very often these audio settings are
only available once something is playing on screen.
This does NOT guarantee that you will hear the audio from these
sources through your device, but it does give the best chance.
N.B when connecting directly to an external device such as SKY or
Virgin Media you will not hear channels and smart services from the
TV through the connected equipment.
9
1) Volume control
2) Tone control
3) Loop level indicator
4) Microphone input select
5) Line input A select
6) Line input B select
7) Digital audio input select
8) Power on / standby
Front View
10) DC power socket
11) Loop cable connectors
12) Headphone socket
13) Digital Audio Input Select
14) Optical Digital audio
15) Coaxial Digital audio
16) Line Input B
17) Line Input A
18) Microphone Priority
19) Microphone Input A
20) Microphone Input B
Rear View
Product Overview
Note: Numbers in the following setup instructions refer to the images
below.
10
Setup Instructions
HLD4 Hearing Loop Driver
1. Place the driver in a convenient and well ventilated area near to
the TV or other audio source. Ensure all necessary connection
leads can reach the relevant device.
Option 1:
Installing the Hearing Loop Cable
1. Run the loop cable around the room starting
and ending at the hearing loop driver. The
cable may be tucked under the edge of the
carpet, or xed to either a picture / dado rail
or skirting board with the clips provided.
2. Where the cable passes a door or other obstacle, ideally tuck it
under the carpet or x the cable around the frame if tucking under
the carpet isn’t possible. For best performance the cable should
stay on the same plane.
3. The cable only has to go around the area to be looped.
• Excess loop wire may be cut off, provided a MINIMUM of 11 metres
(35 feet) is left connected to the hearing loop driver. DO NOT leave
spare cable coiled on the drum.
Option 2:
Installing the Hearing Loop Pad
1. Place the loop pad in a suitable
position on the chair to be used for
listening, either on the chair back or
under the seating area.
2. Lay the connecting lead from the Pad
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