Northern Airborne Technology 270 - Manual (Page 29)

SM270 Rev. 4.10 Model 270 Universal Interface Amplifier Manual
Section 3 Operation
3.1 Introduction
Information in this section consists of the functional and operational procedures for the
Model 270 Universal Interface Amplifier.
3.2 General
The Model 270 Universal Interface Amplifier is designed to provide multipurpose
amplification and switching functions for varying radio, microphone, and custom audio
interface needs. The unit is designed to interface radios to operator headsets and
microphones and provide specialized switching functions such as voice activated
switching, radio PTT switching, or other interface functions. The Model 270 can be used
as a primary amplifier for an aircraft or vehicle operator station or it can be used as an
auxiliary amplifier for interface or other applications.
3.3 Operation Specifics
The Model 270 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 done ONLY BY FULLY QUALIFIED PERSONNEL.
End of section 3
Dec 12, 2006 Page 3-1
ENG-FORM: 806-0106.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.