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A100K11162 v1
ETB Command Talk-Back & Public Address System
Installation & Operation Manual
● A sign plate with each substation number should be placed on or
close to each substation.
4.6 Starting Up the System
The system has no On/Off switch for main power. Once it is plugged in,
the system powers up and is ready for use. Indications that the system is
powered up are the fact that button backlight is lit and the buttons can be
activated.
4.7 Functions Test Procedure
The following procedures have to be carried out before using the system.
Carry out the test procedures for all equipment in the installation.
Basic Functions of ETB central unit
1.
Carry out Commissioning according to sections 4.2, 4.3, 4.4 and 4.5
2.
Power on ETB, 24V DC measured on terminal K11 no. 1-2
3.
Power on 100V amplifier, 230V AC, indicated by green LED
(ETB-100/ETB-100A)
4.
Make a call to each substation. (section 3.1.1)
5.
Make a call to a group of substations. (section 3.1.2)
6.
Make All Call (section 3.1.3)
7.
Give signal to substations with extra signal device. (section 3.1.5)
8. Receive a Call from an substation (section 3.1.6)
9.
Receive a Call from two or more substations. (section 3.1.7)
10.
Volume control of internal loudspeaker on ETB panel
11.
Dimmer for light in Line button
Additional Functions ETB (if installed)
1.
Make a handsfree call with foot switch. (section 3.1.4)
2.
Simple Public Address Operation (ETB-100A). (section 3.4)
3.
Emergency Public Address Operation (ETB-100A). (section 3.5)
Parallel Communication / Bridge Wing (section 3.2.1)
1.
Operation with STB-6
2.
Operation with STB-6GN
3.
Operation with STB-6GN handsfree
4.
Operation with SB-4
5.
Call to two or more substations from parallel station
Power Supply SPS-4 (if installed)
1.
Operating with 230V AC or 115V AC mains power supply. On
terminals 3-4, check that green LED labeled
DC OK
is lit.
2.
Operating with 24V DC emergency power supply.
-
Disconnect 230V AC or 115V AC mains power supply and check
if the auto switch relay switches over to emergency 24V DC. On
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