Bus Connection; Volume Control - 2N Lift8 Brief Manual

In other cases, follow the instructions below:
Procedure
1. Unscrew the 4 screws using the Torx 20 spanner enclosed and remove the audio unit front
cover.
2. Set the audio unit location using the configuration jumper (7).
Jumper setting
no jumper
jumper up
jumper down
3. 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.

Volume Control

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
6