AKG HEARO 777 SURROUND Specifications download pdf (Page 16)

8 Troubleshooting

WmWm

Porrible

Cause

Remedy

40

Sound.

:

1.

AC adapter

is

not connected to transmitter

Il

.

Connect AC adapter to transmitter

and/or

AC

and/or

ÄC

autlet.

outlet.

2.

Transmitter

is

OFF or not connected

to

audio Source.

12.

Switch transmitter on or connect to audio

source.

)

3.

Connected

audio

Source

is

switched

off.

13.

Switch

audio

Source

on

to

feed

Signal

to

/

transmitter input.

j4.

Volume control on audio

Source

is at zero.

/5.

Batteries are low.

i4.

Set audio

Source

volume to desired level.

16.

/

Headphones are switched off.

15.

Charge batteries.

16

Switch headphones

on.

i

7.

Volume control on

headphones/transmitter

is

at

Zero.

/

7.

Set volume control to

desired

level.

1

CHARGE LED

!

1.

Transmitter is not connected to AC power.

j

1.

Connect transmitter

to

AC power.

km

not

light.

2. Batteries are not correctly

aligned

wih

polarity

i2.

Check orientation

of

batteries

in

battery

compart-

marks.

/

ment.

/

I

3.

Headphones are

incorrectly

positioned on

trans-

‘3.

Ploce headphones on transmitter correctly.

!

mitter.

l

I

/

l

~~

Headphone

Sound

I

1.

Connected audio

Source

operates in mono

1

Switch

audio

Source

to stereo mode.

l

is

in mono.

mode.

1 2.

Transmitter is not correctly connected to audio

12.

Check

cable

connection

between

transmitter ana

I

Source.

l

audio

source-

Noise.

_

__________

~__~

_.___.

-.-.__----

--..-----r

-..-

~

..~

~~~

--~

.~.

~ 1

Transmitter is set

to

the wrong carrier frequency.

1.

LJse

FREQ.

ADJUST

control ta select different

l

‘2.

carrier frequency.

‘2.

Frequency

setting

on headphones does not

Readiust

TUNING control on headphones.

match

transmitter carrier frequency.

3.

Audio level at transmitter input

is

too low.

3.

Turn

up

audio

Source

volume control

and/or

14.

Input

Signal

is

noisy.

INPUT LEVEL control on transmitter.

i

5.

Batteries are low.

4. Check audio Source.

5. Charge batteries.

Distorted

Sound.

__.__

~._

~_.~-.~.

~~.

1,

Audio level at transmitter input is too high.

1.

Turn down audio

Source

volume control

ond/or

INPUT LEVEL control on transmitter.

2.

Transmitter and heodphones carrier frequencies

2.

Use

FREQ.

ADJJST

contra/

on transmitter

to

do not

match

exactly.

Change

carrier

frequency and

readjust

TUNING

3. Batteries are

low.

control on headphones.

3.

Charge

batterles.

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