2N Lift8 Krótki podręcznik - Strona 6

Przeglądaj online lub pobierz pdf Krótki podręcznik dla System interkomu 2N Lift8. 2N Lift8 13 stron. Io module
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In other cases, follow the instructions below:

Procedure

Unscrew the 4 screws using the Torx 20 spanner enclosed and remove the audio unit front

cover.

Set the audio unit location using the configuration jumper (7).

Jumper setting

no jumper

jumper up

jumper down

Replace the cover and tighten the 4 screws.

Caution

Avoid duplicate audio unit settings.

Bus Connection

Remove the audio unit cover. Pull the bus through the bushing and put it on terminal 2 using the

connector enclosed. Maintain polarity (see the Audio Unit - Fireman Terminals, Connectors and

Jumpers figure above).

Warning

The audio unit is intended for 2N® Lift8 audio unit bus connection exclusively. Do not

connect it to other wires to avoid its damage or destruction.

Maintain polarity while connecting the audio unit to avoid audio unit error.

Caution

The audio unit is powered via a 2-wire bus. Disconnection of these wires results in the

audio unit switch-off.

Set the required volume using the trimmer (refer to the Description of Terminals, Connectors and

Jumpers above) on the electronics board.

Caution

Use the trimmer to set the best acoustic properties eliminating feedback.

Audio unit location

shaft bottom

over the cabin

under the cabin