Sennheiser TV Cables ADN User Manual download pdf (Page 107)

If a problem occurs ...

106

If a problem occurs ...

Conference system

Problem Possible cause Possible solution Page

Central unit cannot be

switched on

The central unit is not connected to

the mains.

Connect the central unit to the mains. 16

Conference unit cannot be

used/activated

The conference unit is not connected

correctly.

Check if all plugs are connected

correctly.

The cable string is too long. Reduce the length of the cable string

or reduce the number of conference

units.

The maximum number of requests to

speak has been reached.

Increase the maximum number of

requests to speak.

28 or 91

The chairman unit has not been initial-

ized before use.

If chairman units are connected after-

wards, you have to initialize them.

30 or 88

The central unit’s display

panel displays error icons/

the display panel lights up

red

Changes or errors have occurred. Check the possible causes indicated by

the icons.

Volume of the conference

units’ loudspeakers is too

high or too low

The processing of the conference

units’ audio signals (“Audio Gain

Reduction

”) is adjusted so that the

gain of each additional channel is

reduced too much or too little.

Adjusting the processing of the

conference units’ audio signals.

32 or 94

The floor channel volume is not

adjusted correctly.

Adjust the floor channel volume. 48, 93 or

101

Loud hissing at the confer-

ence units’ loudspeakers

The conference units are placed too

close together.

Increase the distance between the

individual conference units to at least

cm.

The floor channel volume is adjusted

to a very high level.

Reduce the floor channel volume. 48, 93 or

101

After switch-on, the dele-

gate units only indicate

requests to speak

You are using ADN D1 delegate units

exclusively. The conference mode

chosen requires a chairman unit

for granting speaking privileges

(e.g

. “Request

”).

Set a conference mode which does

not

require the grant of speaking

privileges.

26 or 90

Use an ADN C1 chairman unit to assign

the “speaking right.

Use the “Conference Manager”

software to grant speaking privileges.

Delegate unit is automati-

cally deactivated

The speaking time limit is activated. Deactivate or increase the speaking

time limit.

28 or 91

A further speaker has made a request

to speak in “Override” mode.

Change the conference mode. 26 or 90

Increase the number of speakers who

can take the floor simultaneously.

27 or 91

No request to speak can be

made

The maximum number of requests to

speak has been reached.

Increase the maximum number of

requests to speak.

28 or 91

Wait until one of the current speakers

passes on his or her speaking privi-

leges.

–

The signal light ring

does not flash when a

request to speak is made

The function is deactivated. Activate the function. 30 or 91

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