TOA Electronics EX-16 Manuel d'utilisateur télécharger pdf (Page 23)

3.9 Connection of the Talk-Back Unit

Connection of the talk-back unit is shown below.

SPEAKER

EX-16

TERMINAL

BOARD

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.

TKU-11

Fig.

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TOA Electronics EX-16 Manuel d'utilisateur Page 23