Vingtor 3005020018, Technical Manual

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A100K11162 v1
ETB Command Talk-Back & Public Address System
Installation & Operation Manual
3.4 Simple Public Address (ETB-100A only)
A single line or group of loudspeaker lines must be set to Public Address
as a fixed configuration.
The Public Address function is set by DIP switches (see section 3.11).
L
The Talk-Back function can not be used for the lines that are configured for
Public Address.
Single Call
● Press the line button
- The call is set up, indicated by a steady green LED.
Group Call
● Press the required line buttons
- The call is set up, indicated by the LEDs lighted a steady green in
the selected buttons.
ETB central unit with gooseneck microphone MB-30G
● Press the TALK button
● Speak clearly into the microphone
ETB central unit with handheld microphone ETC-1-TB
● Press the PTT switch on the microphone
● Speak clearly into the microphone
Terminating the Calls
● Press the active line buttons once more to terminate the calls
When the calls terminate, the LEDs will stop lighting.
PTT Switch
ETC-1-TB