Motorola SM50 Manual de usuario
Copyright © 1995 Motorola, Inc. All rights reserved 1
Operator Manual
for SM50 Mobile Radio
This operator manual contains the information needed to identify the con-
trols and visual indicators, operate, and troubleshoot the SM50 mobile
radio.
Information about the radio’s visual and audible indicators is
highlighted and illustrated with icons.
Information about radio safety, mounting, licensing, and other issues to
be considered before operating the radio are contained in the SM
Series Installation/Licensing Guide (Motorola part number [68 no.]).
The guide should be included in the shipment with your radio. If you
need a replacement of the Installation/Licensing Guide or this Operator
Manual, please contact your local Motorola dealer or distributor.
Copyright © 1995 Motorola, Inc. All rights reserved 2
Operational Safety Information
Read this information before using your mobile radio. For the safe and efficient
operation of your mobile radio, observe these guidelines.
Safe Mounting of the Radio
CAUTION: The bottom surface of the radio can become hot. Avoid contact during pro-
longed use. Do not mount where the bottom surface can come in contact with skin.
Exposure to Radio Frequency Energy
Your radio consists of a transmitter and receiver. When it is ON, it receives, and also
sends out, radio frequency (RF) energy. The radio operates in the frequency range
of VHF and UHF and employs analog modulation techniques. The power level can
range from low to high power.
In 1991 the Institute of Electrical and Electronics Engineers (IEEE), and in 1992 the
American National Standards Institute (ANSI) updated the 1982 ANSI Standard for
safety levels with respect to human exposure to RF energy. Over 120 scientists,
engineers, and physicians from universities, government health agencies, and
industry, after reviewing the available body of research, developed this updated
Standard. In March, 1993, the Federal Communications Commission (FCC) pro-
posed the adoption of this updated Standard. The design of your radio complies with
this updated Standard. If you want to limit RF exposure even further, you may
choose to control the duration of your transmissions.
Antenna Safety
Mobile radio antennas are not insulated and emit RF energy. Touching the antenna
while the radio is in use can cause burns. For your own safety and the safety of others:
DO NOT operate your mobile radio when a person is within 2 feet (0.6 meter) of the
antenna unless that person is shielded from the antenna by a metal surface such as
the roof of the car.
DO NOT allow the antenna to touch exposed parts of the body, especially the face or
eyes, while the radio is turned on.
DO NOT operate the radio with a damaged antenna. Replace a damaged antenna
immediately.
Unauthorized antennas, modifications, or attachments could damage the radio and
may violate FCC regulations. Use only the supplied or approved antenna.
Copyright © 1995 Motorola, Inc. All rights reserved 3
Operational Safety Information
Driving
Check the laws and regulations on the use of communication devices in the areas
where you drive. Always obey them. Also, when using your radio while driving, please:
• give full attention to driving
• use hands-free operation, if available
• pull off the road and park before making or answering a call if driving con-
ditions so require.
Blasting Areas
To avoid interfering with blasting operations, turn your radio OFF when in a “blasting
area” or in areas posted: “turn off two-way radio.” Construction crews often use
remote-control RF devices to set off explosives.
Potentially Explosive Atmospheres
Turn your radio OFF before entering any area with a potentially explosive atmo-
sphere. It is rare, but your radio or its accessories could generate sparks. Sparks in
such areas could cause an explosion or fire resulting in bodily injury or even death.
Areas with a potentially explosive atmosphere are often, but not always, clearly
marked. They include: fueling areas such as gas stations, below deck on boats, fuel
or chemical transfer or storage facilities, and areas where the air contains chemicals
or particles, such as grain, dust, or metal powders.
Do not transport or store flammable gas, liquid, or explosives in the compartment of
your vehicle which contains your radio or accessories.
For Vehicles Powered by Liquid Petroleum (LP) Gas
Vehicles powered by LP gas (such as propane or butane) must comply with the
National Fire Protection Standard (NFPA-58). For a copy of this standard, contact
the National Fire Protection Association, One Batterymarch Park, Quincy, MA
02269, Attn: Publications Sales Division.
Children
Do not allow children to play with your radio. It is not a toy. Children could damage
the radio or injure themselves.
Copyright © 1995 Motorola, Inc. All rights reserved 4
Controls and Visual Indicators
Controls
A. On/Off/Volume Knob
B. Monitor Button
C. Channel Buttons
D. Option Button
E. Push-To-Talk (PTT) Button
Visual Indicators
1. Light-Emitting Diode (LED)
2. Channel Display Icons (active channel)
•green: no channel activity
•blinking red: receiving activity
•red: transmitting
3. Monitor Icon
4. Option Icon
ABC
D
E1
3
4
2
Copyright © 1995 Motorola, Inc. All rights reserved 5
Operating Instructions
Turn the Radio On/Off
Turn the on/off/volume knob until it clicks.
Set the Volume
The SM50 has a dedicated Monitor/Volume Set
button: .
Press and hold for 2 seconds.
You hear all channel activity (including “static”).
Using the on/off/volume knob, adjust the vol-
ume to a comfortable listening level.
Press to exit volume set.
Select the Channel
Press or to select the desired channel.
1I
f the radio is operating properly when turned
on
, a short, high-pitched tone sounds.
If the radio is not operating properly when
turned on,
a continuous low-pitched warning
tone sounds.
1
2
3
11 2
A short, high-pitched tone (“good key press”)
sounds each time you press or .
12
The active channel is displayed as follows:
12•green: no channel activity
•blinking red: receiving activity
1..2..
Copyright © 1995 Motorola, Inc. All rights reserved 6
Operating Instructions (cont’d)
Receive
Release the PTT (if pressed).
Press or to select the desired channel.
Listen for voice activity.
1
21 2
The channel indicator blinks red.
12
3
Monitor NOTE:
In the United States, FCC regulations require you to
monitor the channel before you transmit. Although all
countries do not have a similar requirement, monitoring
the channel is proper radio etiquette to provide an
orderly approach to using shared frequencies.
Take the microphone off hook
or
press .
Listen for voice activity.
Put the microphone on hook
or
press .
.
1shows on the display when monitor is on.
2
3
Busy Channel Lockout–
Several groups of radio users
may share a channel. Busy channel lockout filters out
unwanted communications from other groups.
Copyright © 1995 Motorola, Inc. All rights reserved 7
Operating Instructions (cont’d)
Transmit NOTE:
In the United States, FCC regulations require you to
monitor the channel before you transmit.
Press the PTT.
Hold the microphone 2-3 inches (5-8 cm) away
from your mouth while speaking clearly into it.
1The active channel number glows red and the LED on
12the microphone glows red while you are transmitting.
2
Time-Out Timer
(T.O.T.) limits the amount of time you have to transmit.
Busy Channel Lockout–
Several groups of radio users may share a
channel. Busy channel lockout monitors channel activity for you (even
activity you cannot hear), preventing you from transmitting while other
groups are using a channel.
When you reach the time limit, a continuous, low-pitched tone
sounds (until you release the PTT) and your transmission is cut off.
If the channel is busy when you try to transmit, a series of low-pitched
tones sounds until you release the PTT.
Copyright © 1995 Motorola, Inc. All rights reserved 8
Operating Instructions (cont’d)
Programmable Options
Your dealer can program toperformone of
the following options (defaults in
italics
):
•
Repeater
/Talkaround–gives you the option of
using a repeater system for extended range or
talking to other radio users in direct range of your
radio without using the repeater.
•Local/
Distance
–gives you the option of protection
from interference (but you may not hear weak
transmissions), or hearing all transmissions
regardless of their strength and clarity.
When you turn the radio on, it is always in the
default
mode. If you do not know which of the
above options is programmed into your radio, con-
tact your dealer or system administrator.
To activate the non-default mode (Talkaround or
Local) or to return to the
default
mode (
Repeater
or
Distance
):
Press and release .
1shows when Talkaround or Local is selected.
A high-pitched tone sounds when the radio returns to
the default mode. A high-pitched tone sounds when
the radio enters the non-default mode.
Copyright © 1995 Motorola, Inc. All rights reserved 9
Notes
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Copyright © 1995 Motorola, Inc. All rights reserved 10
Troubleshooting
Symptom Problem Solution
Radio is “dead.” No power to radio. Check vehicle battery and all cable
connections. If all are o.k., contact
your local dealer for service.
Low-pitched continuous tone
when turning the radio on. Internal defect. Press the PTT to stop tone. Contact
your local dealer for service.
Low-pitched short tone when
turning the radio on. Internal defect. Radio may not function properly. Con-
tact your local dealer for service.
Low-pitched continuous tone
while transmitting. Time-Out-Timer
expired. Retransmit last part of message.
Limit transmission time.
Low-pitched continuous tone
while pressing the PTT. Transmission prohib-
ited (i.e. on receive-
only channel).
Contact your system administrator to
identify channels, or change to a
channel with a programmed transmit
frequency.
Low-pitched repetitive short
tones while pressing the PTT. Channel busy. Wait for channel to clear. Try transmit-
ting again later.
Radio will not talk to other radios
in system. Radios may be pro-
grammed for different
frequencies or groups.
Contact your local dealer to verify fre-
quencies and groups.
Constant static. Interference from elec-
tronic devices (com-
puters, etc.).
Ask your local dealer to enable coded
squelch, which screens out this type
of interference.
Limited talk range. Antennamay beplaced
in or near a steel or
concrete structure,
heavy foliage, etc.
Check antenna position. Relocate
antenna to a higher position away
from interfering materials or struc-
tures.
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