Vingtor 3005020018, Technical Manual

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ETB Command Talk-Back & Public Address System
Installation & Operation Manual
A100K11162 v1
3.3 Audio from External Systems (ETB-10A only)
Entertainment, message or alarm messages can be distributed by using
the ETB-10A central unit and all substations.
An potential-free contact and 0 dB signal from the external system
activate the ETB-10A to send the message to all substations.
The TALK button on ETB-10A or the PTT switch on the handheld
microphone will override the external audio.
Normal talk-back functions can not be used during this mode.
An external system may be VHF radio, entertainment system, alarm
system, and Public Address.
To start the function:
● Switch on the external equipment
- the audio will be distributed to all substations and in the ETB-10A
central unit.
To override the function using ETB-10A with gooseneck
microphone MB-30G:
● Press the TALK button on the ETB-10A central unit
● Speak clearly into the gooseneck microphone
- When the TALK button is released, the ETB-10A will be in external
All Call mode again
To override the function using ETB-10A with handheld microphone
ETC-1-TB:
● Press the PTT switch on the handheld microphone
● Speak clearly into the handheld microphone
- When the PTT switch is released, the ETB-10A will revert back to
All Call mode.
To terminate the function:
● Switch off the external equipment
- the ETB-10A will revert back to normal Talk-Back mode
+
-
TUNER
BAND
1 2 3 4 5 6
S
OFF
POTENTIAL-FREE CONTACT
0 dB AUDIO
+
-
TUNER BAND
1 2 3 4 5 6
S
ON
POTENTIAL-FREE CONTACT
0 dB AUDIO
PTT Switch
ETC-1-TB
+
-
TUNER BAND
1 2 3 4 5 6
S
OFF
POTENTIAL-FREE CONTACT
0 dB AUDIO
+
-
TUNER BAND
1 2 3 4
5 6
S
ON
POTENTIAL-FREE CONTACT
0 dB AUDIO