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Barrett 950 HF SSB User Manual

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© Barrett Communications
BCM95000/4
Barrett Communications Pty Ltd Barrett Europe Limited
10 Port Kembla Drive, Bibra Lake WA 6163 19 Lenten Street
P O Box 1214, Bibra Lake WA 6965 Alton, Hampshire
AUSTRALIA GU34 1HG
Toll Free Tel: 1800 999 580 UNITED KINGDOM
Tel: (61-8) 9 434 1700 Tel: (44) 1420 542254
Fax: (61-8) 9 418 6757 Fax: (44) 1420 543373
www.barrettcommunications.com.au
Barrett 950 HF SSB Transceiver
Operating and Installation Manual
Head office: European office:
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BARRETT 950 HF TRANSCEIVER
PAGE 1

Table of Contents

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Barrett 950 HF SSB Specifications

General IconGeneral
Frequency Range (Transmit)1.6 - 30 MHz
Channels100
Power Supply13.8 V DC
Current Consumption (Receive)1.5 A
Current Consumption (Transmit)20 A
Frequency Stability±1 ppm
Receiver Sensitivity0.5 μV for 10 dB
Tuning Steps100 Hz

Summary

Introduction

Product Overview

Provides a general overview of the Barrett 950 transceiver's capabilities and design.

Operation

Front Panel Description

Details the layout and function of the transceiver's front panel controls and display.

Channel Management

Explains how to change channels using up/down keys and direct numerical entry.

Selective Calls (Selcall)

Describes the Selcall system for alerting other stations, including sending and receiving calls.

Telcall - Direct Dial Telephone Calls

Details how to make direct dial telephone calls via the 660/960 telephone interconnect.

Scanning Channels

Explains how to program and initiate channel scanning and different halting conditions.

Clarifier Function

Explains how to use the clarifier to compensate for off-frequency received signals.

Mute Types

Describes audio, selcall, and signal strength mute functions and their operation.

Mode Selection

Details how to select operating modes like LSB, USB, AM, CW, and AFSK.

Alarm Operation

Explains how to test and transmit alarms, including marine and RFDS alarm types.

Advanced Selective Call Functions

Covers GPS requests, sending GPS position, pagecall, statcall, and call history.

Tuning Receiver Operation

Explains how to use the transceiver as a tunable receiver and set scan frequencies.

Menu Functions

Details accessing and navigating open and protected menu sections for parameter settings.

Automatic Link Establishment (ALE) - Option

ALE System Overview

Provides an overview of the ALE controller, its standards, and network operation.

Commence ALE Scanning

Details the steps to initiate ALE scanning and prepare to receive ALE calls.

Receiving an ALE Call

Explains how the transceiver behaves when receiving an ALE call and link status.

Calling Another ALE Station

Details the process of initiating an ALE call to another station and station selection.

Installation

General Installation Procedures

Provides general guidance for installing HF communication equipment, including unpacking.

Fixed Station Installations

Covers considerations for base station setup: position, power supply, and antenna.

Mobile Installations

Details considerations for vehicle mounting: safety, convenience, strength, and air circulation.

Antenna Installation Details

Discusses antenna mounting, feed cables, and VSWR for optimal performance.

Noise Suppression Techniques

Offers methods and kits for reducing electrical interference and noise in vehicles.

Overview of HF Operation

HF Propagation Principles

Explains the fundamental principles of HF radio spectrum and wave propagation.

Radio Wave Propagation Illustrated

Illustrates ground-wave and sky-wave propagation characteristics during day and night.

Factors Affecting HF/SSB Communications

Discusses key factors like frequency selection, time of day, weather, and interference.

Accessories

Accessory Interface

Describes the accessory interface and its pin functions for connecting peripherals.

Cable Assembly

Details the cable assembly for interconnecting the transceiver with ancillary units.

Universal Mounting Cradle

Explains how to mount Barrett 900 series products using the universal cradle.

Fan Unit Installation

Provides instructions for fitting a fan unit to the transceiver for cooling.

Side-Plate Kits

Describes kits for stacking multiple 900 or 500 series units vertically.

19" Rack Mount Conversion Kit

Details the kit for mounting the transceiver in a 19-inch rack.

Interference Suppression Kit

Lists components of the interference suppression kit and its general application.

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