Table of Contents iii
Thank you for purchasing a Drake TR270 FM Transceiver.
This transceiver has been designed and manufactured
to high quality standards, and will provide reliable
operation for many years.
Please carefully read the Owner's Manual in order to
take advantage of the many interesting features that
will provide enjoyable radio operation.
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Voice Operation
FM Simplex Operation
Repeater Operation
Standard Offsets
Custom Offsets
Subaudible Tone Operation
DTMF Operation
To store A Phone Number
To Transmit A Stored Phone Number
Inband Repeat Operation
Crossband Repeat Operation
Satellite Operation
Introduction To Satellite Operation
The Amateur Satellites-Modes and
Frequencies
Doppler Frequency Shift Correction
FM voice Operation With A Satellite
9600 Baud Packet Operation
With A Satellite
Computer Control
Computer Interface With The
RS-232C Port
Command Set
To Save A Report
Data / FAX Operation
Data Operation With The Optional
TNC 270 (Terminal Node Controller)
Fax Operation With The Optional
DEMOD270
Suggested References
Glossary of Terms
Quick Reference Guide
Service
Warranty
Important Safeguards
Table of Contents
Specifications and Accessories
Introduction
General Description
Safety / Voltage Selection
Installation
Unpacking
Location
Fixed Installation
Portable / DC Power Installation
Antenna Requirements
Installation Diagram
Front Panel Description
Microphone Connector Wiring Sense
Front Panel Display
Rear Panel Description
Getting Started
Beep Tones
Getting Started (Initial Settings)
Dual VFO's
Direct Frequency Entry
Setup Menu
Restore Factory Setup Settings
Memory Functions
Memory Channel Programming
Recalling A Memory Channel
Changing Memory Channel
Construct A Memeory List
Locking A Memory Channel
Restore Factory Memory
Programming
Scan Functions
Scan Memory
Scan VFO
Locking A Memory Channel
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FCC Warning
The user is cautioned that changes or modifications
not expressly approved by the R. L. Drake com-
pany could void the user's authority to operate the
equipment.
NOTE: In order for an installation of this product to
maintain compliance with the limits for a Class B
device, shielded cables must be used.