Atkinson Dynamics AD-27 Specifications download pdf (Page 4)

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Figure 2.

mastermode.Whentheswitchisreleaseditwilldefaultbacktothe

ListenorSpeakermode,allowingtheusertoreceiveanymessages

transmittedbacktoit.Theoutputamplieroffersfullshortcircuit

protection and over heat protection.

SLAVEMODE:

 Someapplicationsmayrequirethattheintercomconstantly

transmit(i.e.,actasamicrophone)asopposedtoconstantlyreceive

(i.e.,actasaspeaker).Toaccomplishthistheintercommustbe

switchedintotheSlave(Push-to-Listen)mode.

WARNING

Disconnectpowertotheintercombeforeanyinstallation,

maintenance, or conﬁguration changes are performed.

 MovetheJ3jumperblockontheP.C.boardfromtheMAStoSLA

position(seegure1).Thiscanbedoneusinglongnosepliers,pull-

ingtheblockoffthe“MAS”andcenterpositionandplacingitonthe

“SLA”andcenterposition.

 WhenhookedtoaMasterunititmaybenecessarytooverride

theSlaveunitinorderfortheMasterunittobeabletotransmit.The

remotecontrolandgroundlinesmustbeconnectedbetweentheMas-

terandtheSlaveunit.ParagraphG.WIRINGDIAGRAMScontains

wiring diagrams of typical intercom conﬁgurations.

CALL

WARNING: DISCONNECT POWER BEFORE REMOVING COVER

TALK

LISTEN

290A3077B

UNIVERSITY PARK, IL USA

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Atkinson Dynamics AD-27 Specifications Page 4