Manual HUMANTECHNIK A-4223-0 LA-215 (page 11 of 40) (English, German, Dutch, French, Italian, Spanish)

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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 container s

ﬁlled with water, such as ﬂower vases, or

anything with an open ﬂame, such as a lit

candle, on or near the product.

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HUMANTECHNIK A-4223-0 LA-215 Manual

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