Futurecom Systems Group ULC DVRSUHF, DVRS700, DVRS800, DVRSVHF Installation Manual

Title Page

M

Spectrum Series™

Base Loaded Mobile Antennas

Installation Manual

Motorola Inc.
1301 E. Algonquin Rd.,
Schaumburg, IL 60196-1078, U.S.A.

6880309C12-F

Foreword

This manual applies to mobile radios, unless otherwise specified. It includes instructions for installing antennas in a vehicle
roof-top configuration.

Product Safety and RF Exposure Compliance

Before using this product, read the operating instructions
for safe usage contained in the Product Safety and RF

C a u t i o n

This radio is restricted to occupational use only to satisfy FCC RF energy exposure requirements.
Before using this product, read the RF energy awareness information and operating instructions in the
Product Safety and RF Exposure booklet enclosed with your radio (Motorola Publication part number
6881095C99) to ensure compliance with RF energy exposure limits.

For a list of Motorola-approved antennas, batteries, and other accessories, visit the following website: http://www.motorola.com/governmentandenterprise

Document Copyrights

No duplication or distribution of this document or any portion thereof shall take place without the express written permission
of Motorola. No part of this manual may be reproduced, distributed, or transmitted in any form or by any means, electronic
or mechanical, for any purpose without the express written permission of Motorola.

Exposure booklet enclosed with your radio.

ATTENTION!

Disclaimer

The information in this document is carefully examined, and is believed to be entirely reliable. However, no responsibility is
assumed for inaccuracies. Furthermore, Motorola reserves the right to make changes to any products herein to improve
readability, function, or design. Motorola does not assume any liability arising out of the applications or use of any product
or circuit described herein; nor does it cover any license under its patent rights nor the rights of others.

Trademarks

MOTOROLA, the Stylized M logo, and ASTRO are registered in the US Patent & Trademark Office. All other products or
service names are the property of their respective owners.
© 2000 – 2010 by Motorola, Inc.

Spectrum™ Series Base Loaded Mobile Antennas

Manufactured by Motorola

• Antenna Installation

• Mounting Instructions

• Cutting Charts

• Replacement Parts

• Connector Instructions

Important

Introduction

Thank you for selecting the Spectrum mobile antenna. The Spectrum antennas have been designed
to withstand demanding and rugged environments. During the design phase, the antennas are put
through extensive Accelerated Life Testing (ALT), which simulates years of in-field service. As a
result, potential problems are designed out, helping to ensure that the antennas which you receive
can give you years of dependable performance.

Important

Motorola Communications Part Division
1313 E. Algonquin Road
Schaumburg, Illinois 60196
To order, Call Toll-Free: 1 - 800- 422 - 4210

DANGER

Read all instructions carefully before starting the installation.

Antenna contact with high voltage wires may result in death
from electrocution.

Since April 3, 1994, the warranty on Spectrum antennas have been
changed to one year. Motorola manufactured Spectrum antennas are
warranted to be free from defects in workmanship and materials for a
period of (1) one year from the date of shipment.

Before You Start

Roof Mount Safety Precautions and Problem Prevention – for Motor Vehicle Use only

Safe Antenna Installation

Be sure to mount the antenna on a horizontal surface to keep
the antenna as vertical as possible, thus preventing the

C a u t i o n

antenna from protuding beyond the vehicle and causing
bodily injury and/or property damage.

2 Introduction

Entering Garages

Remove the antenna from the vehicle when entering a garage
to prevent damage to the vehicle and the antenna whip/ball

C a u t i o n

from damaging overhead light fixtures and garage doors.

Automatic Car Wash

Remove the entire antenna from the vehicle before entering
the automatic car wash to prevent damage to the antenna and
vehicle. The antenna mount contact must be wiped dry to

C a u t i o n

prevent moisture from damaging the contact.

Installation

Where to Mount the Antenna

General

Motorola recommends that mobile antennas be located as follows:

Recommended Antenna Location

Standard Metal Passenger vehicles Recommended Location

Standard metal passenger vehicles Center roof or center trunk lid

Vans, pickups, and other light trucks
(metal roofs)

Heavy duty equipment with metal roofs
(heavy duty trucks, semi-tractors, heavy
refuse trucks, cement mixer trucks)

Specialty vehicles (such as T-roofs, sun
roofs, or convertibles)

Other vehicles Contact your Motorola Field Technical

Center roof

Center cab roof

Center trunk lid–recommended only for transmitter
output of less than 7 W.

Representative.

Select a location for the antenna as near the center of the roof as possible. Probe the headlining with
your fingers to make sure that all points of obstruction are avoided.

Mobile Antenna Installation 3

Mobile Antenna Installation

Mobile Radio Operation and EME Exposure

Observe the following caution and electromagnetic energy exposure (EME) statements when
installing antennas:

Use caution when installing antennas with mobile radio
equipment using transmitter powers in excess of 7 W.

C a u t i o n

NOTE: For low power mobile radios (7 W or less), there are no antenna type or installation

restrictions.

To assure optimal radio performance and that human exposure to radio frequency electromagnetic
energy is within the guidelines references in this document, transmit only when people outside the
vehicle are at least the minimum distance away from a properly installed, external mounted antenna.

Table 1 lists the minimum distance from several different ranges of rated radio power.

Rated Power of Vehicle-installed

Mobile Two-Way Radios

7 to 15 Watts 1 foot (30.5 cm)

16 to 50 Watts 2 feet (61 cm)

More than 50 Watts 3 feet (91.5 cm)

Selecting an Antenna Site

1. Install the vehicle antenna external to the vehicle and in accordance with the requirements of
this documents.

2. The best mounting location for the antenna is at the center of a large, flat, conductive surface.
In almost all vehicles, mounting the antenna in the center of the roof will satisfy these
requirements. A good alternative location is in the center of the trunk lid. If you use the trunk
lid, ensure that the trunk lid is grounded by connecting groundling straps between the trunk lid
and the vehicle chassis.

3. Ensure the antenna cable can be easily routed to the radio. Ensure that the antenna cable is
routed separately and not in parallel to any other vehicle wiring or mobile radio cable wiring.

4. Check the antenna location for any electrical interference.

NOTE: Any two metal pieces rubbing against each other, such as seat springs, shift levers, trunk and hood lids,

exhaust pipes etc.) in close proximity to the antenna can cause severe receiver interference.

5. If the vehicle is equipped with an electronic anti-lock braking system (ABS), and the antenna
will be trunk mounted, then install the antenna on the side opposite to the braking modulator
box. This minimizes radio interference to the modulator box from the radio.

6. Make sure the mobile radio antenna is installed at least one foot (30.48 cm) away from any
other antenna on the vehicle.

Table 1 Rated Power and Distance

Minimum Distance from Transmitting Antenna

4 Mobile Antenna Installation

Antenna Assembly Instructions

If antenna mount has not been installed, refer to the Antenna Mount Installation instructions.
Assemble the antenna assembly (except the whip) onto the mounting base as shown in Figure 1.

1. Place the lock washer on stud loading coil/base housing.

2. Assemble either the standard duty or heavy duty spring adaptor to the base housing
assembly by threading onto the housing stud with lock washer already in place.

3. Hand tighten the adaptor until the lock washer is fully compressed.

4. Press rubber gasket onto the bottom of the coil housing.

5. Do not insert the antenna whip into the antenna adaptor at this time. Refer to the Tuning the

Antenna section on page 1-12 for further instructions.

Whip
01-80358A37 406 – 420 MHz
01-80358A38 445 – 470 MHz
01-80358A39 470 – 494 MHz
01-80358A40 494 – 512 MHz

Standard Duty Whip Adapter

58-80368B32

Lock washer

04-80378B70

Loading Coils/Base housing
01-80358A86 30 – 36 MHz
01-80358A87 36 – 42 MHz
01-80358A88 42 – 50 MHz
01-80358A89 66 – 88 MHz
01-80358A90 136 – 174 MHz
01-80358A91 406 – 512 MHz Heavy Duty Spring
01-80358A92 406 – 512 MHz Standard Duty

Whip

47-80369B56 30 – 174MHz

Set Screw

03-80374B24

Heavy Duty Spring

01-80373B34

Rubber Gasket

32-80369B53

Figure 1.

Mobile Antenna Installation 5

Antenna Mount Installation Instructions

Roof (Permanent 3/4” Hole) Mount Instructions

Tools Required:

• Safety glasses

• Hole saw (Motorola part # RPX-4378A)

• 15/16” open-end wrench

• Solder, 60/40 rosin flux

• Crimp tool, Motorola part # 66-80388A26 (Mini-UHF Connector only)

• Electric drill

• Spanner wrench, Motorola part # 66-80371A75

• Soldering iron, 40 – 75 watts

1. Drill a 3/4” hole in the vehicle with antenna hole cutting saw, Motorola part # RPX-4378A, and
remove all burrs. The antenna hold saw will remove paint in a narrow ring around hole to
assure good metal contact between vehicle and mount.

2. Apply generous amounts of silicon grease to inner and outer threads of brass lock nut. Feed
coaxial cable and mount through hole as shown in Figure 2.

Figure 2.

3. Thread locking nut onto mount and pull up mount base to properly align in hole. While pulling
up, finger tighten the locking nut against roof top as show in Figure 3.

MAEPF-27629-O

Figure 3.