T+A Elektroakustik PA 820 M user manual PT 820 M tuner, Speaker a + B

Problem:

Tuner, CD player or recorder do not

respond to controls.

Cause:

The device you wish to operate has not

been selected as the current listening

source.

Remedy:

Presstheappropriatesourcebuttononthe

remotecontrolhandset,andtryagain.

Problem:

The listening source responds to the

controls, but the system supplies no

output signal.

Cause 1:

Loudspeakeroutputswitchedoff; 'A'or 'B'

doesnotlightupontheintegralscreen.

Remedy:

PresstheappropriateRC

 button

to switch on the loudspeaker output you

wishtouse.

Cause 2:

TheProtectioncircuithasswitchedoffthe

loudspeakeroutputs; 'A'and 'B'flash.

Remedy:

Reduce volume, check loudspeaker ter

minalsforshortcircuits.

Problem:

The loudspeaker outputs cannot be

switched on and off separately.

Cause:

Theloudspeakercouplingissettobiwiring

mode.

Remedy:

You can toggle between

Normal mode

and Bi-wiring mode using the following

procedure:

•Switchthesystemon,andwaituntilthe

 symbolonthescreenstopsflashing.

•Nowholdthe buttononthefront

panelpressedinuntilarunningscriptap

pearsonthescreen.

•Whilethescriptisstillrunning,holdthe

RChandsetbutton

 pressedin

untilthescreendisplaysthenewmode:

'SPEAKER A / B'

￿ Normal mode

or

'SPEAKER A + B'

￿ Bi-wiring mode

Problem:

Loud hum from the loudspeakers.

Cause:

Cinch plugs making poor contact, or a

defectiveCinchlead.

Remedy:

Check all connections and connecting

leadscarefully.

PT 820 M tuner

Problem:

The RDS station name does not appear

on the integral screen.

Cause 1:

The station does not broadcast RDS

information, or the station is not correctly

tuned.

Remedy:

Tune in the station so that the tuning

indicatoriscentral.

Cause 2:

Thestationisreceivedwithinterference,or

thefieldstrengthistoolow.

Remedy:

Select stations which can be picked up

without background hiss and interference

orotherproblems.

Problem:

Whistling or warbling sounds from the

loudspeakers.

Cause:

Theaerialleadispositionedtooclosetoa

mains, M LINKorCinchlead.

Remedy:

Deploy the cables with adequate spacing

fromeachother.Useapermanentdomes

ticaerialorcableconnection.

Problem:

The machine operates normally, but

picks up very few stations, or even none

at all.

Cause:

Theaerialsystemoraerialcableisdefec

tive.

Remedy:

Checktheaerialcableforgoodcontactin

theaerialsocketandonthemachineitself.

Theremustbenodamage,andnokinksin

the cable. If necessary fit a new aerial

cable.

Problem:

After a house-move the integral screen

still displays the old program names -

but the stations can no longer be picked

up.

Cause:

Presets with station names and reception

frequenciesarestillstoredinthemachine,

buttheycannolongerbereceivedinthe

newlocality.

Remedy:

Eraseallthestoredpresets:

•Switchonthesystemandwaituntilthe



symbolonthescreenstopsflashing.

•Nowhold the button pressed in

until a running script appears on the

screen.

•Whilethescriptisstillrunning,holdthe

 button on the remote control

handset pressed in until the screen

displaysthemessage 'PRES-CLR'.

•Allpresetsarenowerased.