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DRAKE R8B User Manual

DRAKE R8B
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BW
AUTO
6.0
MODE
AM SYNC
A-B
TIME
MEM
VFO A = B
A = B
PRE ATTN
ANT 1 2 VHF
AGC S F
NOTCH
NB N W
NAME
TIMER
STEP
CLK/FREQ
LOCK
TUNE
SCAN
NOTCH TONE
SCAN
MEM
6.0
4.0
AM/
SYNC
FM
2.3
1.8 LSB USB
0.5
AUTO CW RTTY
BANDWIDTH
MODE
LIST
2
A - B
3
SEEK
4
TIME
5
CARR
6
CLK
7
LAMP
8
BEEP
9
F
DEL
0
V M
M V
SQUELCH
PASSBAND
OFFSET
VOL RF
MIN
0
-
+
R8B Communications Receiver
1 3 5 7 9 20 40 60
S UNITS DECIBLES
SIGNAL
M/KHz
MEM
1
CLR
kHz
®
© Copyright 1997 R. L. Drake Company P/N: 3851305A-9-1997 Printed in the U. S. A.
is a registered trademark of the R. L. Drake Company
®
Owner's Manual
R8B Communications Receiver

Table of Contents

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DRAKE R8B Specifications

General IconGeneral
TypeCommunications Receiver
Dimensions286 x 114 x 279 mm (11.25 x 4.5 x 11 inches)
Weight5.5 kg (12 lbs)
IF Rejection>80 dB
Image Rejection>70 dB
Input Impedance50 ohms
ModesAM, CW, SSB
IF Frequencies455 kHz
Power Requirements50/60 Hz
Noise Figure<10 dB
Power SupplyInternal
Operating Temperature50 degrees Celsius

Summary

Important Safeguards

General Safety Instructions

Covers items 1-14, providing essential safety guidance for appliance operation.

Continued Safety Precautions

Covers items 15-21, detailing further safety measures and installation guidelines.

General Description

Specifications and Accessories

Receiver Specifications

Lists technical performance details and operating parameters.

Included Accessories

Details optional or included add-on equipment.

Safety and Voltage Selection

Voltage and Fuse Settings

Explains how to set voltage for different regions and fuse requirements.

Installation Guide

Unpacking, Location, and Fixed Installation

Covers initial setup, placement, and permanent setup.

Mobile Installation and Antenna Requirements

Details mobile use and antenna connection requirements.

Front Panel Operation

Front Panel Controls and Buttons

Describes primary controls like Volume, RF Gain, Tuning, Power, Mode, and Function buttons.

Front Panel Display and Tuning Steps

Explains the LCD display, indicators, and tuning resolution options.

Rear Panel Connections

Receiver Mute Operation

Getting Started

Initial Setup and Basic Operation

Covers initial power-on, resets, beeps, and basic controls like squelch and RF gain.

Understanding Auto Mode and Defaults

Explains auto mode and setting default parameters for modes.

Advanced Operation Features

Dual VFO and Frequency Entry

Covers VFO selection and direct frequency input methods.

Signal Adjustment Controls

Details Passband Offset, Notch, and AM Synchronous Detector for signal tuning.

RF Gain, Noise Blanker, and Mode Operations

Covers signal conditioning and specific mode tuning strategies (CW, RTTY, SSB).

FM Operation and AGC

Explains FM mode characteristics and Automatic Gain Control usage.

Memory Functions

Storing and Recalling Memory Channels

How to program and access stored frequencies and settings.

Managing Memory Channels

Covers deleting, locking, and erasing all memory locations.

Scan Functions

Scan Modes and Methods

Explains different scan types (Memory, List, A-B) and their programming methods.

Scan A-B Operation and Notes

Details specific A-B scan features and important operational tips for scanning.

Clock and Timer Functions

Time Display and Setting

How to set and use the dual clocks for local and UTC time.

Timer Operation and Setup

Explains programming ON/OFF times for events and wake/sleep timers.

Timer Connector Interface

Details external device control via the timer connector for unattended recording.

Special Use Features

Function Line Invert and Lamp Control

Interface customization for function buttons and display brightness.

Scan Step and Power Functions

Specific scan adjustments (10/9 kHz) and power-on button functions.

RS-232C Interface

Computer Control and Setup

How to connect and configure the receiver for computer operation.

Data Transfer Procedures

Steps for transferring memory channels to/from a PC.

Command Strings and Settings

Technical details on command structure and data formats for computer control.

Glossary of Terms

Suggested References

Troubleshooting and Display Messages

Common Problems and Solutions

Guides users through diagnosing and fixing common operational issues.

Special Display Message Interpretations

Explains error codes and status indicators like PWRFAIL and UNLOCKD.

Service and Warranty Information

Obtaining Service Information

Procedures for contacting support, returning the unit, and warranty claims.

One Year Limited Warranty Details

Terms and conditions of the product warranty.

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