Model 240 Passenger Speaker Amplifier
SM240 Installation and Operation Manual
Section 3 Rev: 1.00
Issue 4
Page 3-1
ENG-FORM: 806-0112.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
Section 3 Operation
3.1
Introduction
Information in this section consists of functional and operational procedures for the Model 240 Passenger
Speaker Amplifier
.
3.2
General Information
The Model 240 Passenger Speaker Amplifier provides Seat Belt and No Smoking sign time chimes, a
Cabin Call ringer tone, ADF, Pilot Select Com (PSC), TV, Briefer and Cabin Paging Audio to the cabin
speakers.
The Model 240 provides left/right audio taken from an external stereo receiver/music source to the cabin
speakers.
The Model 240 is a remotely controlled electronic unit, which operates upon command from switches and
potentiometers in the cockpit or cabin of the aircraft.
The 240 has no operator accessible controls. During installation, or if the unit has been exchanged, it may
be a requirement to change internal adjustments. This should be performed only by fully qualified
personnel.
Section 3 ends
