Advent AW720 Istruzioni per gli Interventi Scaricare il pdf (Pagina 6)

Trouble

NoSoundl

Distortion!

Static

Checks

and

Adjustments

•

Confirm

the

batteries

are"

good."

When

batteries

begin

to

weaken,

there

can

be

static

breakup.

If

necessary,

replace/recharge

the

batteries.

•

Check

that

the

antenna

is

in

the

upright

position.

•

Check

that

the

Transmitter

Audio

Level

Indicator

Light

is

flickering

intermittently.

If

you

are

using

a

fixed

output

and

the

light

is

on

solid

or

flickering

very

rapidly,

or

if

the

light

is

not

on

at

all,

adjust

the

Output

Level

Control

Wheel

so

that

the

light

fli

c

ke

rs

i

nte

rm

itte

ntly.

or

• If

you

are

using

a

variable

output,

make

sure

the

Output

Level

Control

Wheel

is

all

the

way

left

(as

shown

under

ADJUST

THE

TRANSMITTER),

and

adjust

the

volume

on

the

audio

source

up

or

down

as

necessary

to

make

the

light

flicker

intermittently.

•

Change

the

position

of

the

Transmitter

Frequency

Control

Wheel

to

change

the

operating

frequency.

Then

readjust

the

headphone

Tuning

Control

Wheel

until

the

Tuning

Indicator

Ught

illuminates

red.

•

Try

changing

the

physical

location

of

the

transmitter.

Locate

it

as

high

and

free

of

obstruction

as

possible.

Avoid

placing

directly

on

top

of

a

TV,

if

possible.

•

Try

changing

the

antenna

position,

particularly

if

you

think

you

may

be

near

maximum

transmitting

range.

•

Try

moving

the

transmitter

and

headphones

closer

together.

Sending

the

signal

through

certain

materials,

such

as

glass,

tile,

and

metal,

can

decrease

the

effective

transmitting

distance

of

the

system.

SPECIFICATIONS

&

FEATURES

Transmitter

Omnidirectional

Effective

Transmitting

Range:

Up

to

300

feet*

Adjustable

Audio

Level

Input

Variable

Frequency

Adjustment

between

912.5

and

914.5

MHz

Line

Audio

Input

with

3.5mm

Stereo

Mini

Plug

plus

1/4"

and

Composite

"v"

Cable

Adapters

UL-Listed

AC

Adapter

Headphones

Power

ON/OFF

switch

(right

headphone)

Volume

Control

(right

headphone)

Frequency

Fine

Tuning

(left

headphone)

Frequency

Response:

20

Hz

-

20

kHz

Speaker

Element:

32mm,

litanium-Impregnated

Mylar

Magnet

Type:

Neodymium

Iron

Boron

Signal-To-Noise

Ratio:

60

dB

Channel

Separation:

30

dB

Distortion:

<

1.5%

*Maximum

range;

results

achieved

may

vary

by

environment.

Sound

from

•

Check

the

left/right

balance

control

on

the

audio

source

One

Earpiece

Only

•

Try

fine

tuning

the

headset

using

the

Tuning

Control

Wheel.

•

Check

the

batteries

-

they

may

be

weakening.

10

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