TOA INTERCOM SYSTEMS
TALK-BACK UNIT
TK-20
DESCRIPTION FEATURES
The TOA TK-20 Talk-Back Unit is designed for use with 1. May be installed in a switch box or on a wall.
the EXES-2000 and EXES-6000 intercom systems. When 2. Talk-back communication capability.
the TK-20 is connected to an external PA speaker, the 3. Audio trigger function with voice sensor capability.
speaker can function as a talk-back station (sub-station). 4. Call switch terminal provided.
The talk-back unit features an audio trigger function that
acts as a voice sensor to allow calls to be made from the
talk-back station to a registered master station. Calls to
the master station are also possible by using an external
switch that can be connected to the talk-back unit.
