TOA Electronics EX-16 manual Connection of the Talk-Back Unit

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3.9 Connection of the Talk-Back Unit

Connection of the talk-back unit is shown below.

SPEAKER

SPEAKER

EX-16

TERMINAL

BOARD

TKU-11

Fig. 14

When the talk-back speaker is used as a microphone, sound clearness and microphone sensitivity vary according to the ambient noise level and in- stallation position. The sensitivity of the talk-back speaker's microphone can be adjusted by the input volume control on the front of the TKU-11. Adjustment is necessary after installation.

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Contents TOA EX-16 Intercom System Features Specifications Further Details System Block Diagram Exchange FeaturesFurther Details SpecificationsExchange Specifications EX-16 Dimensions in mm Paging Receiving Switch Transmitting Circuit Control signal System Block Diagram Stations Talk-Back Unit TKU-11 AccessoriesStation Specifications Wall Mounting Panel YC-100Power Source Exchange Precautions for InstallationStations Distance as Functions of Core Diameter Cable InstallationCore Diameter Versus Transmission Distance Spacing WiringGeneral Information Example PipingConnection between the station and the exchange Clipping Tool C YC-105 Page Connection of the Input/Output Terminal AC/DC Power Supply ConnectionAll-Call Paging Output Remote Control OutputBGM Input Wiring Diagram Connection of the Talk-Back Unit Connection of the Speaker Station Speaker Volume Adjustment10.4 On/Off Control of BGM Connection with the ExchangeJumper for Speaker Station Selection Jumper for BGM On/Off How to Connect the Jumper WireFunction Selection Inspect Before Turning Power OnTesting Precedure Adjusting MethodPage Relationship Between Ambient Noise and Conversation Mode Trouble Shooting GuideFault in Exchange Symptom Fault in Specific Station OnlyFault in Cable Line and R-Line are shorted or mixed up KOBE, Japan