Codan Radio Communications VT-3A130-S-FSH Frequency Select Handle Instruction Manual

TM

DANIELS

ELECTRONICS LTD.

MT-3 RADIO SYSTEMS

FREQUENCY SELECT

HANDLE

INSTRUCTION MANUAL

Covers the following:

Frequency Select Handle portion of

VR-3A130-SYD210 & VT-3A130-SYD410

Copyright © 2000 Daniels Electronics Ltd. All rights reserved. No part of this publication may be
reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic,
mechanical, photocopying, recording or otherwise, without the prior written consent of Daniels
Electronics Ltd.

DE™ is a registered trademark of Daniels Electronics Ltd. registered in the United States Patent and
Trademark Office.

Issue: 1 Previous Issue: N/A
Issue Date: Feb 2000 Previous Issue Date: N/A Daniels Electronics Ltd.
Printing Date: Feb 2000 Victoria, BC.
Part No.: IM12-FSH3 PRINTED IN CANADA

Reviewed By:

Quality Assurance:
Claudia Boorman _________________

Name Signature Date

NOTE:

The user's authority to operate this equipment could be revoked through any
changes or modifications not expressly approved by Daniels Electronics Ltd.

The design of this equipment is subject to change due to continuous development.
This equipment may incorporate minor changes in detail from the information
contained in this manual.

DANIELS

DE

ELECTRONICS

ii Frequency Select Handle Instruction Manual

TABLE OF CONTENTS

Page

1 GENERAL......................................................................................... 1-1

1.1 Introduction .................................................................................. 1-1

1.2 Printed Circuit Board Numbering Convention...........................................1-1

1.3 Performance Specifications.................................................................1-1

2 THEORY OF OPERATION ..................................................................... 2-1

2.1 General........................................................................................ 2-1

2.2 Handle Operation............................................................................2-1

3 ALIGNMENT ..................................................................................... 3-1

3.1 General........................................................................................ 3-1

3.2 Repair Note...................................................................................3-1

3.3 Recommended Test Equipment ............................................................ 3-1

4 ILLUSTRATIONS AND SCHEMATIC DIAGRAMS.......................................4-1

4.1 VR-3A130 Receiver Front Panel .......................................................... 4-1

4.2 Frequency Select Handle Component Layout............................................4-2

4.3 Frequency Select Handle Schematic Diagram............................................4-3

5 PARTS LISTS..................................................................................... 5-1

5.1 Frequency Select Handle Electrical Parts List............................................5-1

5.2 Frequency Select Handle Mechanical Parts List ......................................... 5-2

6 REVISION HISTORY............................................................................6-1

DANIELS

ELECTRONICS

DE

Frequency Select Handle Instruction Manual ii i

This Page Intentionally Left Blank

DANIELS

DE

ELECTRONICS

iv Frequency Select Handle Instruction Manual

1 GENERAL

1.1 Introduction

The Frequency Select Handle provides the ability to select and display the operating frequency of
the receiver or transmitter on the Front Panel. Power is provided from a regulated +9.5 Vdc supply
and draws typically less than 4.0 mA in sleep mode.

1.2 Printed Circuit Board Numbering Convention

To ease troubleshooting and maintenance procedures, Daniels Electronics Limited has adopted a
printed circuit board (PCB) numbering convention in which the last two digits of the circuit board
number represent the circuit board version. For example:

• PCB number 43-9120 10 indicates circuit board version 1.0.

• PCB number 50002- 02 indicates circuit board version 2.0.

All PCB's manufactured by Daniels Electronics are identified by one of the above conventions.

1.3 Performance Specifications

Temperature Range: -30°C to +60°C. (Optional -40°C to +60°C)

Supply Voltage: +9.5 Vdc,

Supply Current: less 35 mA

less 4.0 mA standby mode.

DANIELS

ELECTRONICS

DE

Frequency Select Handle Instruction Manual 1-1

This Page Intentionally Left Blank

DANIELS

DE

ELECTRONICS

1-2 Frequency Select Handle Instruction Manual