Vingtor 3005020018, Technical Manual

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A100K11162 v1
ETB Command Talk-Back & Public Address System
Installation & Operation Manual
3.1.6 Receiving a Call from a Substation
An incoming call is indicated by a flashing green LED in the respective
line button and a beeping tone in the panel loudspeaker.
It will also activate an extra signal unit if installed. Only the ETB central
unit can terminate the call.
● Press the line button with the flashing green LED
- the call is set up, indicated by a steady green LED
ETB central unit with gooseneck microphone MB-30G
● Press the TALK button
● Speak clearly into the microphone
When the TALK button is released the ETB will be in listening mode, and
you will hear the communication from the selected station.
ETB central unit with handheld microphone ETC-1-TB
● Press the PTT switch on the microphone
● Speak clearly into the microphone
When the PTT switch button is released the ETB will be in listening
mode, and you will hear the communication from the selected station.
● Press the line button once more to terminate the call.
When the call terminates, the LED will stop lighting.
PTT Switch
ETC-1-TB