35
ETB Command Talk-Back & Public Address System
Installation & Operation Manual
A100K11162 v1
3.6.2 Operation from Substation STB-2
Ingress Protection Rating = IP66
1
2
1.
- Push button for calling central unit.
2
CALL
.
- Speaker receiving communication from central unit.
- Microphone for communication to central unit.
Re-entrant Loudspeaker
Substation STB-2
Substation
Operation
ETB Central Unit
•
Press the
CALL
button
-
Indicated by flashing green LED for
substation line and a signal in the ETB
panel loudspeaker.
•
Operator of the ETB presses the
respective
line
button and the call is set
up.
-
Indicated by steady green light in ETB
Loudspeaker
•
Speak clearly into the re-entrant
loudspeaker of STB-2.
-
The same loudspeaker is used to send and
receive communication to/from ETB.
•
Operator of the ETB central unit
terminates the call by pressing the line
button once more.
Summary of Contents for 3005020018
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