2N Lift8 v1.0 - Manual (Page 51)

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2N TELEKOMUNIKACE a.s., www.2n.cz
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Configuration of announcer’s location
Location of announcer means configuration of jumpers (see printed picture on cover).
If you are installing the announcer at the bottom of a shaft, it is not necessary to
change the configuration of the jumpers.
In other cases proceed as follows:
Procedure:
Loosen the screws on the protective doors behind which there are jumpers and
open them.
Configure the required change according to the printed picture beneath the doors
(this announcer
be configured as common for several lifts). cannot
Close the doors and tighten the screw.
Connection
Loosen the screws on the right side and open the connector cover. Under it you will
find only one connector for connecting the bus. Pull out the terminal from the
connector, connect the wires, and put the terminal back in the connector. Polarity
must be maintained.
Configuration of volume
Open the protective door on the announcer, and using the trimmer adjust the required
volume
Caution
Beware of duplicate configuration of announcers.
Warning
The connection of the announcer to a different wire, for example to a
higher voltage, will result in its damage or destruction.
Polarity must be adhered to or the announcer will not work
Caution
The announcer is powered from the CU via a 2-wire bus. Disconnection of
the announcer from the bus causes the announcer to be switched off.
Caution
Using this trimmer we set the best acoustic properties, but also ensure
that there is no feedback.
The configuration of volume only works for the handsfree mode