Northern Airborne Technology RA Series - Manual (Page 16)

RA Series Remote Attenuator
SM30 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 RA Series Remote
Attenuator.
3.2 General Information
The operation of the RA Series Remote Attenuator is generally as part of a NAT system including a
Tac/Com control head and aircraft radio. In normal use, the only operational considerations involve
correctly installing the unit and ensuring the attenuator control line is correctly installed to a compatible
operating system. After that is completed, the operation is completely transparent to the user.
3.3 Controls and Indicators
The RA Series Remote Attenuator is controlled by grounding the antenna control line. When the antenna
control line is grounded, the RF signal is not attenuated. When the antenna control line is floating, the RF
signal is attenuated. There are no indicators for this product.
3.4 Optional Features
There are no optional features for this product.
3.5 Emergency Operation
There is no emergency mode of operation for this product.
Section 3 ends