Maxon EM-4800 Manuel utilisateur
Model EM-4800
800 MHz
EDACS®/GE-MARC®
Mobile Radio
Operating Instructions
NOTICE!
Repairs to this equipment should be made only by an authorized
service technician or at a facility designated by the supplier. Any
repairs, alterations or substitutions of recommended parts made by
the user to this equipment not approved by the manufacturer could
void the user's authority to operate the equipment in addition to
the manufacturers warranty.
NOTICE!
The software contained in this device is copyrighted. Unpublished
rights are reserved under the copyright laws of the United States.
FCC LICENSING
This unit may or may not require a specific FCC license to operate.
The FCC requires that all transmitters in the conventional and some
trunked systems to be licensed by the Federal Communications
Commission. Some trunked operations now are exempt from indi-
vidual licensing requirements but may be operated in a licensed
system.
Consult your Maxon Dealer regarding specific licensing infor-
mation (Form 571), or contact the Federal Communications
Commission via phone: 888-CALLFCC (1-888-225-5322) or
through an FCC District office near you.
These operating instructions are published by Maxon America, Inc.,
without any warranty. Improvements and changes necessitated by typo-
graphical errors, inaccuracies of current information, or improvements to
programs and/or equipment may be made by Maxon America Inc. at any
time and without notice. Such changes will be incorporated into revisions
or new editions of this manual. No part of this manual may be reproduced
or transmitted in any form or by any means, electronic or mechanical,
(including photocopying and recording) for any purpose without the
sexpress written permission of Maxon America, Inc.
Copyright September 1997 - Maxon America, Inc.
TABLE OF CONTENTS
Safety Information 1
Safe Driving Recommendations
for Mobile Radio Users 3
Operating Procedures 4
Introduction 6
Front Panel Controls 7
LCD Indicators 9
Display Messages 10
Alert Tones 10
EDACS Operation
Turning On the Radio 13
Receiving a Call 13
Sending a Call 15
SCAT Operation 16
Conventional Failsoft 17
Scan Operation 17
DTMF Microphone Operation 19
GE-MARC Operation
Turning On the Radio 25
Receiving a Call 25
Sending a Call 26
DTMF Microphone Operation 28
Scan Operation 34
Direct Mode 35
TABLE OF CONTENTS, Continued
Conventional Mode Operation
Turning On the Radio 37
Sending a Message 37
Receiving a Message 37
Squelch Adjustment 37
Sending a Manually Entered Interconnect Call
(Using the Optional DTMF Microphone) 38
Scan Operation 39
Maintenance and Basic Care 42
Operator's Radio Setup 44
Warranty Statement 45
EDACS and GE-MARC are registered
trademanes of Ericsson Inc.
SAFETY INFORMATION
The operator of any mobile radio should be aware of certain
hazards common to the operation of vehicular radio trans-
missions. Possible hazards are:
Explosive Atmospheres: Just as it is dangerous to fuel a vehicle
with the motor running, be sure to turn the radio OFF while
fueling the vehicle. Do not carry containers of fuel in the
trunk of the vehicle when the radio is mounted in the trunk.
Interference To Vehicular Electronic Systems: Electronic fuel
injection systems, electronic anti-skid braking systems, elec-
tronic cruise control systems, etc. are typical of the types of
electronic devices that may malfunction due to the lack of
protection from radio frequency energy present when trans-
mitting. If the vehicle contains such equipment, consult the
dealer for the make of vehicle and enlist his aid in determining
if such electronic circuits perform normally when the radio is
transmitting.
Dynamite Blasting Caps: Dynamite blasting caps may be
caused to explode by operating a radio within 500 feet of the
caps. Always obey the "Turn Off Two Way Radio" signs
posted where dynamite is being used. When transporting
blasting caps in your vehicle:
a) Carry the blasting caps in a closed metal box with a soft
lining.
b) Leave the radio OFF whenever the blasting caps are
being put into or removed from the vehicle.
Radio Frequency Energy: To prevent burns or related physical
injury from radio frequency energy, do not operate the trans-
mitter when anyone outside of the vehicle is within two feet
of the antenna. 1
2
SAFETY INFORMATION, Continued
CAUTION
Before jump starting, charging or changing the vehicle battery, remove the
10A fuse located in the red lead. This will insure that the radio is protected
from damage during the battery charging process. Replace fuse when charging
is completed.
Liquefied Petroleum (LP) Gas Powered Vehicles: Mobile radio
installations in vehicles powered by liquefied petroleum gas
(with the LP gas container in the trunk or other sealed-off
space within the interior of the vehicle) must conform to
the National Fire Protection Association standard (NFPA 58)
which requires that:
a) The space containing the radio equipment shall be
isolated by a seal from the space containing the LP
gas container and its fittings.
b) Outside filling connections shall be used for the LP
gas container.
c) The LP gas container shall be vented to the outside
of the vehicle.
SAFE DRIVING RECOMMENDATIONS
FOR MOBILE RADIO USERS*
Exercise caution when using a mobile radio. Become familiar
with information on the safe operation of a mobile radio:
• Keep both hands on the steering wheel and the micro-
phone in its cradle whenever the vehicle is in motion.
• Place calls only when the vehicle is stopped. Use recall
dialing to speed the time it takes to place a call.
• When talking from a moving vehicle is unavoidable,
drive in the slower lane and keep conversations brief.
• If conversation requires taking notes or complex
thought, stop the vehicle in a safe place - then continue
the call.
* As recommended by the AAA (American Automobile Association)
3
OPERATING PROCEDURES
Two-way FM radio systems must be operated in accordance
with the Rules and Regulations of the Federal Communica-
tions Commission (FCC). Operators of two-way radio equip-
ment must be thoroughly familiar with the rules that apply
to the intended type of radio operation. Following these rules
will help to eliminate confusion, assure the most efficient
use of existing radio channels, and result in a smoothly
functioning radio network. When using this two-way radio,
remember these rules:
1) It is a violation of FCC Rules to interrupt any distress
or emergency message. As the radio operates in much
the same way as a telephone "party line," always listen
to make sure that the line is clear before sending
messages. If someone is sending an emergency
message - such as reporting a fire, or asking for help
in an accident - KEEP OFF THE AIR! Emergency calls
have priority over all other messages.
2) Use of profane or obscene language is prohibited by
federal law.
3) It is against the law to send false call letters, or a false
distress or emergency message.
4) The FCC requires that conversations be kept brief
and confined to business. To save time, use coded
messages whenever possible.
5) Using a radio to send personal messages (except in an
emergency) is a violation of the FCC Rules.
6) It is against Federal Law to repeat or otherwise make
known anything overheard on the radio. Conversations
between others sharing a channel must be regarded as
confidential. 4
5
OPERATING PROCEDURES, Continued
7) The FCC requires the operator to identify himself at
certain times by means of call letters. Refer to the rules
that apply to the particular type of operation for the
proper procedure.
NOTE: The GE-MARC and EDACS trunking environments
have automatic identification features built in and do not
require the user to identify by means of call letters.
8) No changes or adjustments shall be made to the equip-
ment except by an authorized or certified electronics
technician.
OPERATING TIPS
Operating the radio in low areas of terrain or while under
power lines or bridges will reduce the effective range of two-
way radios. These areas should be avoided whenever possible.
In areas where transmission or reception is poor, insure that
the antenna is vertical (particularly if a glass mount antenna
is used). Moving a few yards in another direction or moving
to higher ground may also help improve radio communica-
tion.
6
INTRODUCTION
The EM-4800 is a synthesized, microprocessor-based, FM
mobile which provides reliable two-way communications in
the Enhanced Digital Access Communications System (EDACS)
trunking environment, GE-MARC trunking system and conven-
tional communications systems.
In the EDACS or trunked system mode, the user selects a
communications system and group. Channel selection is
transparent to the user and is controlled via digital communi-
cation with the system controller. This provides advanced
programmable features and fast access to communication
channels.
In the conventional mode, the user selects a channel and
communicates directly on that channel. A system refers
to a set of channels. A channel is a transmit /receive radio
frequency pair.
The exact operation of the radio will depend on the operating
mode, the radio programming and the particular radio system.
Most features described in this manual may be enabled or
disabled through programming. Consult the system administra-
tor for the particular features that are programmed into the
radio.
This manual provides instructions for operating in either of the
three systems (EDACS, GE-MARC, conventional). A separate
section is provided for each system with a complete set of
instructions for operating the radio within that system.
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