Williams Sound PLA-215 Manuel utilisateur

MAN 172A

PLA-215

Hearing HotSpot™Room Loop

Manual and User Guide

8 English

1 2 3 4 5 6 7 8 9

Operating elements – Front panel

1 Volume control

2 Tone control (treble/bass)

3 Headphone connection jack

4 LOOP LEVEL indicator

5 Microphone button

Operating elements – Back panel

10 Power jack

11 Loop connectors

12 LINE input level control

13 LINE input jack (B) line in

14 LINE input jack (A) line in

15 Priority microphone in jack (B)

16 Microphone in jack (A)

6 Priority button

7 Power on/off

8 Button for the automatic

gain control

9 Line input selection button

Stand for LA-215

10 11 12 13 14 15 16

English 9

Congratulations on purchasing your LA-215

loop ampliﬁer. You have chosen a modern

and reliable system.

Please read through these operating in-

structions carefully. They tell you how to set

up the system correctly and explain all the

system’s features to you.

Standard components

Please check if all following components are

included:

- LA-215 loop ampliﬁer

- Power cord

- Stand

- Microphone cable

- 37 m of loop cable and cable clips

- Connection cable set

- Operating instructions

- Guarantee card

If any parts are missing, please immediate-

ly contact your dealer or the manufacturer

directly.

How it works

The LA-215 picks up signals from an audio

source that is directly connected with the

device with a lead or via a microphone.

A magnetic ﬁeld is created in the loop. With

the help of a hearing aid equipped with an

integrated teleloop or an inductive receiver,

you can hear the ampliﬁed audio signals

(TV, radio, microphone) at the volume of

your choice.

Display and operating elements

Front panel

Power on/off (7):

Press this button to switch the LA-215 on

and off.

Once you have switched the device

on, the indicator will light up and the line in-

put jack A (14) is active.

Volume control VOLUME (1)

Tone control (treble/bass) TONE (2)

Headphone connection jack (3):

To connect a headphone with a 3.5-mm

jack. This makes it possible to check the

ampliﬁer’s output signal even if a loop is not

connected.

LOOP LEVEL indicator (4):

This indicates that a signal is being trans-

mitted by the loop cable. It ﬂickers with a

low volume and remains steady with louder

volumes. Testing the system can be done

by speaking into a microphone and seeing

the light ﬂash, this will indicate that a signal

is ﬂowing round the cable.

If one of the following buttons is pressed,

the corresponding light-emitting diode

(LED) will light up to indicate which function

has been activated. If the button is pressed

again, the indicator will go off.

Microfon button MIC (5):

Press this button to reduce the background

noise in noisy rooms.

Priority button PRI (6):

A signal detected on microphone input B

(15) will be treated as the priority signal. This

makes it possible to monitor a doorbell or

a telephone. If this function is switched off,

both microphone inputs will be processed in

the same way.

10 English

Button for the automatic gain control

AGC (8):

If this function is activated, the volume in the

induction loop will be limited to the volume

selected with the volume control.

This eliminates the needs to constantly ad-

just the volume for different pro

grams.

Line input selecting button LINE (9):

If you connect 2 audio sources to the LA-215,

you can press this button to select the sig-

nal you want to hear. When the ampliﬁer is

switched on, line input jack A (14) is always

active initially. Press this button to activate

line in B (13). This function is only available

for the LINE input jacks.

Back panel

LINE input level control - LINE INPUT

LEVEL (12):

This control knob can be used to set the

overall volume of the input signal. In addi-

tion, the volume can be adjusted between

the line and the microphone inputs.

Fig. A

Installation

1 Use the connection cable included with

the device to connect an audio source

to one of the two line in jacks (13, 14) on

the back panel (Fig. B).

If your television set or your sound

source is not equipped with a direct

connection, use the microphone, which

you can insert into one of the two micro-

phone jacks (15, 16).

2 Connect the two ends of the loop (Fig.

A) with the input jacks (11). Press the

red and black button to insert the cable

and release the button to lock it in place.

Make sure that only the not insulated

part of

the cable is clamped into the con-

nections.

To remove the cable, press the

button again and pull the cable out.

Fig. B

White cinch

jack

White cinch

plug

Red cinch

plug

Red cinch

jack

loop ampliﬁer

LA-215

Sound source,

e.g. TV or stereo

Lay the loop

under the car-

peting or along

the

baseboard

English 11

Operation

1. Before you insert the power cord into

the designated socket on the rear panel

of the inductive loop ampliﬁer, set the

volume control to its lowest setting.

2. Press the Power on/off button (7) to

switch the loop ampliﬁer on.

Now anyone wearing a hearing aid must

set it to the T or MT position.

4. Adjust the volume control to the desired

volume.

Important: Before you connect or discon-

nect an audio source, always pull the power

cord out of the wall outlet.

Troubleshooting

No sound

- Check to make sure that all the cables are

connected properly.

Make sure that the ampliﬁer is switched on.

- Make sure that the hearing aid is set to the

“T” or “MT” function.

- Make sure that the volume is set correctly.

Volume level is not loud enough

- The volume control is set too low. Turn

up the volume on the ampliﬁer.

- The Line Input control is set too low. Turn

up the Line Input control.

- Make sure that you are sitting up fairly

straight. The more you lie down, the wea-

ker the signal will become.

Sound distortion

- Loop volume is set too high. Turn the vol-

ume down.

- Connection cable is damaged. Replace

the cable.

Background noise (humming)

- Switch the loop ampliﬁer off and if the

noise continues, this indicates interfer-

ence caused by another device, such

as the TV, neon lights or dimmer switches.

- If the noise disappears when the loop

ampliﬁer is switched off, the problem

might be a system error, a damaged

microphone cable or a noise that is being

transmitted by the microphone.

Maintenance and care

The LA-215 loop ampliﬁer does not require

any maintenance. If the unit does become

dirty, simply wipe it clean with a soft, damp

cloth. Note: remove the LA-215 from

mains socket! Never use spirits, thinners

or other organic solvents. Do not set up the

LA-215 loop ampliﬁer where it will be ex-

posed to full sunlight for long periods. In ad-

dition, it must be protected against exces-

sive heat, moisture and severe mechanical

shocks.

Note: This product is not protected against

splash water. Do not place any containers

ﬁlled with water, such as ﬂower vases, or

anything with an open ﬂame, such as a lit

candle, on or near the product.

12 English

Warranty

The LA-215 loop ampliﬁer is a very reliable

product. Should a malfunction occur de-

spite the unit having been set up and oper-

ated correctly, please contact your dealer or

the manufacturer directly.

This warranty covers the repair of the product

and returning it to you free of charge. It is

essential that you send in the product in its

original packaging, so do not throw the pack-

aging away.

The warranty does not apply to damage

caused by incorrect handling or attempts to

repair the unit by people not authorised to

do so (destruction of the seal on the unit).

Repairs will only be carried out under war-

ranty if the completed warranty card is re-

turned accompanied by a copy of the deal-

er’s invoice/till receipt.

Always specify the product number in

any event.

Disposal off used electric and elec-

tronic units (applicable in the coun-

tries of the European Union and oth-

er European countries with a separate col-

lection system). The symbol on the product

or the packaging indicates that this product

is not to be handled as ordinary household

waste but has to be returned to a collect-

ing point for the recycling of electric and

electronic units. You protect the environ-

ment and health of your fellow men by the

correct disposal of this products. Environ-

ment and health are endangered by a faulty

disposal. Material recycling helps to reduce

the consumption of raw material. You will re-

ceive further information on the recycling of

this product from your local community, your

communal disposal company or your local

dealer.

English 13

Speciﬁcations

Power connection: 230 V AC 50 Hz 20 VA

Loop output power: 2.85 A output power at 100-5000 Hz.

The loop is at full output power at a

resistance of between 0.5 and 1.5 ohms.

Loop cable: Single-wire loop cable 37 m long

(0.75 mm2thick).

Minimum cable length 11 m = 0.5 ohms

Dimensions (WxHxD): 180 x 42 x 140 mm

Weight: 905 g

This device satisﬁes the following EU directives:

- 2002/95/EG RoHS directive

- 2002/96/EG WEEE directive

- 2004/108/EG EMC directive

- 2006/95/EG Low voltage directive

Compliance with the directives listed above is conﬁrmed by the CE seal on the device.

CE compliance declarations are available on the Internet at www.humantechnik.com.

Technical speciﬁcations subject to change without notice.

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