Clear-Com TW-47 User Manual

CLEAR-COM ENCORE

TW-47 TWO-WAY RADIO INTERFACE

INSTRUCTION MANUAL

TW-47 Two-Way Radio Interface Instruction Manual

© 2007 Vitec Group Communications Ltd. All rights
reserved.

Part Number 810502Z Rev. 2

Vitec Group Communications, LLC.
850 Marina Village Parkway
Alameda, CA 94501
U.S.A

Vitec Group Communications
7400 Beach Drive
Cambridge Research Park
Cambridgeshire
United Kingdom
CB25 9TP

Vitec Group Communications
Room 1806, Hua Bin Building
No. 8 Yong An Dong Li
Jian Guo Men Wai Ave
Chao Yang District
Beijing, P.R. China 100022

® Clear-Com,CellCom/FreeSpeak and the Clear-Com
Communication Systems logo are registered trademarks of The
Vitec Group plc.

CONTENTS

OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

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

Before you Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Features of the TW-47 System . . . . . . . . . . . . . . . . . . 1-1

Description of the TW-47 . . . . . . . . . . . . . . . . . . . . . 1-2

RF Interference . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Connecting the TW-47 to the Base Station Radio . . . 1-3

Building Your Custom Cable . . . . . . . . . . . . . . . . . . . 1-4

Option Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7

Output Level Jumpers . . . . . . . . . . . . . . . . . . . . . . 1-8

Transmit Key Jumper . . . . . . . . . . . . . . . . . . . . . . . 1-9

Call Signal Frequency Adjust . . . . . . . . . . . . . . . . . 1-9

Check Out and Operation of the TW-47 System . . . 1-9

TW-47 Front Panel Controls and Lights . . . . . . . . . 1-11

Rear Panel of TW-47 . . . . . . . . . . . . . . . . . . . . . . . . 1-12

INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Wiring Cables for Specific Radio Types . . . . . . . . . . . 2-1

For Motorola: Radius, GP300, SP-50, and Sport 7x2-1
For Yaesu: FT-411, 811, 911; FT-415, 815; FT-530; FT-

416, 816; FT-11R, 41R . . . . . . . . . . . . . . . . . . . . . . . 2-1

For Uniden: Model SPH; Motorola: Radius P-50 . 2-2

SPECIFICATIONS. . . . . . . . . . . . . . . . . . . . . . . . 3-1

iTW-47 TWO-WAY RADIO INTERFACE

TW-47 Technical Specifications. . . . . . . . . . . . . . . . . 3-1

Radio to Party Line . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Party Line to Radio . . . . . . . . . . . . . . . . . . . . . . . . 3-1

LIMITED WARRANTY . . . . . . . . . . . . . . . . . . . . . 4-I

Warranty Period. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-i

Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-ii

Warranty Repairs and Returns . . . . . . . . . . . . . . . . . .4-iii

Non-Warranty Repairs and Returns. . . . . . . . . . . . . .4-iv

Extended Warranty . . . . . . . . . . . . . . . . . . . . . . . . . .4-iv

Liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-v

ii

TW-47 TWO-WAY RADIO INTERFACE

IMPORTANT SAFETY INSTRUCTIONS

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this apparatus near water.

6. Clean only with dry cloth.

7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.

8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.

9. Only use attachments/accessories specified by the manufacturer.

10. Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.

11. Unplug this apparatus during lightning storms or when unused for long periods of time.

12. Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has been
damaged in any way, such as power-supply cord or plug
is damaged, liquid has been spilled or objects have
fallen into the apparatus, the apparatus has been
exposed to rain or moisture, does not operate normally,
or has been dropped.

13. WA RN IN G: To reduce the risk of fire or electric shock, do not expose this product to rain or moisture.

iTW-47 TWO-WAY RADIO INTERFACE

Please familiarize yourself with the safety symbols in
Figure 1. When you see these symbols on this product,
they warn you of the potential danger of electric shock if
the station is used improperly. They also refer you to
important operating and maintenance instructions in the
manual.

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

This symbol alerts you to the presence of uninsulated dangerous
voltage within the product's enclosure that might be of sufficient
magnitude to constitute a risk of electric shock. Do not open
the product's case.

This symbol informs you that important operating and main­tenance instructions are included in the literature accompanying
this product.

Figure 1: Safety Symbols

ii

TW-47 TWO-WAY RADIO INTERFACE

EMC AND SAFETY

The TW-47 Two-Way Radio Interface meets all relevant
CE and FCC specifications set out below:

EN55103-1 Electromagnetic compatibility. Product
family standard for audio, video, audio-visual, and
entertainment lighting control apparatus for professional
use. Part 1: Emissions.

EN55103-2 Electromagnetic compatibility. Product
family standard for audio, video, audio-visual, and
entertainment lighting control apparatus for professional
use. Part 2: Immunity.

And thereby compliance with the requirement of
Electromagnetic Compatibility Directive 2004/108/EC
and Low Voltage Directive 2006/95/EC

This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1)
this device may not cause harmful interference, and (2)
this device must accept any interference received,
including interference that may cause undesired
operation.

iiiTW-47 TWO-WAY RADIO INTERFACE

iv

TW-47 TWO-WAY RADIO INTERFACE

1 OPERATION

INTRODUCTION

Congratulations on choosing this Clear-Com product.
Clear-Com was established in 1968 and remains the market
leader in providing intercoms for entertainment,
educational, broadcast and industrial applications. The
ruggedness and high build-quality of Clear-Com products
defines the industry standard. In fact, many of our original
beltpacks and main stations are still in daily use around the
world.

BEFORE YOU BEGIN

To get the most out of your Clear-Com equipment, read this
manual carefully. It will answer many questions you may have
about operating and servicing your equipment. You may also call
Clear-Com’s customer service department at [phone] for
answers to any questions that are not covered in this manual.

FEATURES OF THE TW-47 SYSTEM

• Any walkie-talkie with an external microphone input and

earphone output can be connected to the TW-47.

• Clear-Com or TW Channel A or B intercom line operation.

• Powered from the intercom system.

• Base station radio keyed from intercom call signal.

• Visual transmitter keying indicator.

• Audio level indicator.

TW-47 TWO-WAY RADIO INTERFACE

1-1