Motorola CT250 User manual

Category
Two-way radios
Type
User manual

This manual is also suitable for

CT
SERIES
Two-Way Radios
User Guide
Guide de l’usager
Portable Radio
Radio Portative
CT150 /CT250
CT250
B, Motorola, The Stylized M logo, Intelligence Everywhere, and Call Alert are trademarks of Motorola, Inc.
© 1999, 2002 Motorola, Inc. All rights reserved. Printed in U.S.A.
B, Motorola, Le logo stylisé M, intelligence universelle et Call Alert sont des marques de Motorola, Inc.
© 1999, 2002 Motorola, Inc. Tous droits réservés. Imprimé aux États-Unis.
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CONTENTS
CONTENTS
Computer Software Copyrights. . . . . . . . . . ii
Safety and Warranty . . . . . . . . . . . . . . . . . 1
User Safety, Training, and General
Information . . . . . . . . . . . . . . . . . . . . . . . . 1
Compliance with RF Energy Explosure
Standards . . . . . . . . . . . . . . . . . . . . . . . . . 1
Operational Instructions and Training
Guidelines. . . . . . . . . . . . . . . . . . . . . . . . . 1
Transmit and Receive . . . . . . . . . . . . . . 2
Hand-held Radio Operation . . . . . . . . . . 2
Body-worn Operation . . . . . . . . . . . . . . . 2
Antenna & Batteries . . . . . . . . . . . . . . . . 3
Approved Accessories . . . . . . . . . . . . . . 3
Electromagnetic Interference/Compatibility. 3
Facilities . . . . . . . . . . . . . . . . . . . . . . . . . 3
Aircraft . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Medical Devices. . . . . . . . . . . . . . . . . . . 4
Driver Safety . . . . . . . . . . . . . . . . . . . . . 4
Operational Warnings . . . . . . . . . . . . . . . . . 5
For Vehicles With an Air Bag . . . . . . . . . 5
Potentially Explosive Atmospheres . . . . 5
Blasting Caps and Areas . . . . . . . . . . . . 5
Operational Cautions . . . . . . . . . . . . . . . . . 6
Antennas . . . . . . . . . . . . . . . . . . . . . . . . 6
Batteries. . . . . . . . . . . . . . . . . . . . . . . . . 6
Battery Information . . . . . . . . . . . . . . . . . . . 6
Charging Batteries. . . . . . . . . . . . . . . . . 6
Limited Warranty . . . . . . . . . . . . . . . . . . . . 7
Radio Overview. . . . . . . . . . . . . . . . . . . . 11
Parts of the Radio. . . . . . . . . . . . . . . . . . . 11
CT150™/CT250™ Models . . . . . . . . . 11
On/Off/Volume Knob . . . . . . . . . . . . . . 12
Channel Selector Knob . . . . . . . . . . . . 12
Push-to-Talk (PTT) Button. . . . . . . . . . 12
Microphone . . . . . . . . . . . . . . . . . . . . . 12
LED Indicator. . . . . . . . . . . . . . . . . . . . 12
Programmable Buttons . . . . . . . . . . . . 13
Indicator Tones. . . . . . . . . . . . . . . . . . . . . 15
Audio Indicators for Programmable
Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Improved Audio Features . . . . . . . . . . . . . 16
Low Level Expansion (LLE). . . . . . . . . 16
Companding . . . . . . . . . . . . . . . . . . . . 16
Getting Started . . . . . . . . . . . . . . . . . . . . 17
Battery Information . . . . . . . . . . . . . . . . . . 17
Charging Your Battery . . . . . . . . . . . . . 17
Accessory Information . . . . . . . . . . . . . . . 18
Attaching the Battery . . . . . . . . . . . . . . 18
Removing the Battery . . . . . . . . . . . . . 18
Attaching the Antenna . . . . . . . . . . . . . 19
Removing the Antenna . . . . . . . . . . . . 19
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CONTENTS
Attaching the Belt Clip . . . . . . . . . . . . . 20
Removing the Belt Clip . . . . . . . . . . . . 20
Turning the Radio On or Off . . . . . . . . . . . 21
Adjusting the Volume . . . . . . . . . . . . . . . . 21
Selecting a Radio Channel . . . . . . . . . . . . 21
Sending a Call . . . . . . . . . . . . . . . . . . . . . 22
Receiving a Call . . . . . . . . . . . . . . . . . . . . 22
Radio Calls . . . . . . . . . . . . . . . . . . . . . . . 23
Repeater or Talkaround Mode . . . . . . . . . 23
Setting Tight or Normal Squelch. . . . . . . . 23
Setting the Power Level . . . . . . . . . . . . . . 23
Scan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Starting or Stopping Scan. . . . . . . . . . . . . 25
Talkback . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Deleting a Nuisance Channel . . . . . . . . . . 25
Restoring a Channel to the Scan List . 25
Prioritizing a Scan List Member . . . . . . . . 26
Accessories . . . . . . . . . . . . . . . . . . . . . . 27
Carry Accessories. . . . . . . . . . . . . . . . . . . 27
Chargers. . . . . . . . . . . . . . . . . . . . . . . . . . 27
Audio . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Antennas . . . . . . . . . . . . . . . . . . . . . . . . . 28
COMPUTER SOFTWARE
COPYRIGHTS
The Motorola products described in this
manual may include copyrighted Motorola
computer programs stored in semiconductor
memories or other media. Laws in the United
States and other countries preserve for
Motorola certain exclusive rights for
copyrighted computer programs including, but
not limited to, the exclusive right to copy or
reproduce in any form the copyrighted
computer program. Accordingly, any
copyrighted Motorola computer programs
contained in the Motorola products described
in this manual may not be copied, reproduced,
modified, reverse-engineered, or distributed in
any manner without the express written
permission of Motorola. Furthermore, the
purchase of Motorola products shall not be
deemed to grant either directly or by
implication, estoppel, or otherwise, any license
under the copyrights, patents or patent
applications of Motorola, except for the normal
non-exclusive license to use that arises by
operation of law in the sale of a product.
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SAFETY AND
WARRANTY
SAFETY AND WARRANTY
USER SAFETY, TRAINING, AND
GENERAL INFORMATION
READ THIS IMPORTANT INFORMATION ON
SAFE AND EFFICIENT OPERATION
BEFORE USING YOUR MOTOROLA
HANDHELD PORTABLE TWO-WAY RADIO
The information provided in this document
supersedes the general safety information
contained in user guides published prior to
June 2001. For information regarding radio use
in a hazardous atmosphere please refer to the
Factory Mutual (FM) Approval Manual
Supplement or Instruction Card, which is
included with radio models that offer this
capability.
COMPLIANCE WITH RF ENERGY
EXPOSURE STANDARDS
Your Motorola two-way radio is designed and
tested to comply with a number of national and
international standards and guidelines (listed
below) regarding human exposure to radio
frequency electromagnetic energy. This radio
complies with the IEEE (FCC) and ICNIRP
exposure limits for occupational/controlled RF
exposure environment at duty cycles of up to
50% talk-50% listen and should be used for
occupational use only. In terms of measuring
RF energy for compliance with the FCC
exposure guidelines, your radio radiates
measurable RF energy only while it is
transmitting (during talking), not when it is
receiving (listening) or in standby mode. Note
that the approved, supplied batteries for this
radio are rated for a 5-5-90 duty cycle (5% talk-
5% listen - 90% standby), even though this radio
complies with the FCC occupational exposure
limits at duty cycles of up to 50% talk.
Your Motorola two-way radio complies with
the following RF energy exposure
standards and guidelines:
United States Federal Communications
Commission, Code of Federal Regulations;
47CFR part 2 sub-part J
American National Standards Institute
(ANSI) / Institute of Electrical and Electronic
Engineers (IEEE) C95. 1- 1992
Institute of Electrical and Electronic
Engineers (IEEE) C95.1- 1999 Edition
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SAFETY AND
WARRANTY
International Commission on Non-Ionizing
Radiation Protection (ICNIRP) 1998
Ministry of Health (Canada) Safety Code 6.
Limits of Human Exposure to Radiofrequency
Electromagnetic Fields in the Frequency
Range from 3 kHz to 300 GHz, 1999
Australian Communications Authority
Radiocommunications (Electromagnetic
Radiation - Human Exposure) Standard
1999 (applicable to wireless phones only)
ANATEL, Brasil Regulatory Authority,
Resolution 256 (April 11, 2001) additional
requirements for SMR, cellular and PCS
product certification.
To assure optimal radio performance and make
sure human exposure to radio frequency
electromagnetic energy is within the guidelines
set forth in the above standards, always
adhere to the following procedures:
OPERATIONAL
INSTRUCTIONS AND
TRAINING GUIDELINES
To ensure optimal performance and
compliance with the occupational/controlled
environment RF energy exposure limits in the
above standards and guidelines, users should
transmit no more than 50% of the time and
always adhere to the following procedures:
Transmit and Receive
To transmit (talk), push the Push-To-Talk
(PTT) button; to receive, release the PTT
button.
Hand-held Radio Operation
Hold the radio in a vertical position with the
microphone one to two inches (2.5 to 5 cm)
away from the lips.
Body-worn Operation
Always place the radio in a Motorola
approved clip, holder, holster, case, or
body harness for this product. Use of
non-Motorola-approved accessories may
exceed FCC RF exposure guidelines.
MAN WITH R
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SAFETY AND
WARRANTY
If you do not use a Motorola approved
body-worn accessory and are not using the
radio in the intended use position in front of
the face, then ensure the antenna and the
radio are kept 2.5 cm (one inch) from the
body when transmitting.
Antenna & Batteries
Use only Motorola approved supplied
antenna or Motorola approved replace-
ment antenna. Unauthorized antennas,
modifications, or attachments could dam-
age the radio and may violate FCC regula-
tions.
Use only Motorola approved, supplied
batteries or Motorola approved replace-
ment batteries. Use of non-Motorola-
approved antennas or batteries may exceed
FCC RF expo-sure guidelines.
Approved Accessories
For a list of approved Motorola accessories
see the accessory section of this User Guide.
ELECTROMAGNETIC
INTERFERENCE/COMPATIBILITY
Note: Nearly every electronic device is
susceptible to electromagnetic interference
(EMI) if inadequately shielded, designed,
or otherwise configured for
electromagnetic compatibility.
Facilities
To avoid electromagnetic interference
and/or compatibility conflicts, turn off your
radio in any facility where posted notices
instruct you to do so. Hospitals or health care
facilities may be using equipment that is
sensitive to external RF energy.
Aircraft
When instructed to do so, turn off your radio
when on board an aircraft. Any use of a radio
must be in accordance with applicable
regulations per airline crew instructions.
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SAFETY AND
WARRANTY
Medical Devices
Pacemakers
The Advanced Medical Technology
Association (AdvaMed) recommends that a
minimum separation of 6 inches (15
centimeters) be maintained between a
handheld wireless radio and a pacemaker.
These recommendations are consistent
with those of the U. S. Food and Drug
Administration.
Persons with pacemakers should:
ALWAYS keep the radio more than 6
inches (15 centimeters) from their pace-
maker when the radio is turned ON.
not carry the radio in the breast pocket.
use the ear opposite the pacemaker to
minimize the potential for interference.
turn the radio OFF immediately if you
have any reason to suspect that interfer-
ence is taking place.
Hearing Aids
Some digital wireless radios may interfere
with some hearing aids. In the event of such
interference, you may want to consult your
hearing aid manufacturer to discuss
alternatives.
Other Medical Devices
If you use any other personal medical
device, consult the manufacturer of your
device to determine if it is adequately
shielded from RF energy. Your physician
may be able to assist you in obtaining this
information.
Driver Safety
Check the laws and regulations on the use of
radios in the area where you drive. Always
obey them.
When using your radio while driving, please:
Give full attention to driving and to the road.
Use hands-free operation, if available.
Pull off the road and park before making or
answering a call if driving conditions so
require.
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SAFETY AND
WARRANTY
OPERATIONAL WARNINGS
For Vehicles With an Air Bag
Do not place a portable radio in the area
over an air bag or in the air bag deployment
area. Air bags inflate with great force. If a
portable radio is placed in the air bag
deployment area and the air bag inflates,
the radio may be propelled with great force
and cause serious injury to occupants of
the vehicle.
Potentially Explosive Atmospheres
Turn off your radio prior to entering any
area with a potentially explosive
atmosphere, unless it is a radio type
especially qualified for use in such areas as
Intrinsically Safe (for example, Factory
Mutual, CSA, UL, or CENELEC). Do not
remove, install, or charge batteries in such
areas. Sparks in a potentially explosive
atmosphere can cause an explosion or fire
resulting in bodily injury or even death.
The areas with potentially explosive
atmospheres referred to above include
fueling areas such as below decks on
boats, fuel or chemical transfer or storage
facilities, areas where the air contains
chemicals or particles, such as grain, dust
or metal powders, and any other area where
you would normally be advised to turn off
your vehicle engine. Areas with potentially
explosive atmospheres are often but not
always posted.
Blasting Caps and Areas
To avoid possible interference with blasting
operations, turn off your radio when you
are near electrical blasting caps, in a
blasting area, or in areas posted: Turn off
two-way radio. Obey all signs and
instructions.
!
W A R N I N G
!
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SAFETY AND
WARRANTY
OPERATIONAL CAUTIONS
Antennas
Do not use any portable radio that has a
damaged antenna. If a damaged antenna
comes into contact with your skin, a minor burn
can result.
Batteries
All batteries can cause property damage and/
or bodily injury such as burns if a conductive
material such as jewelry, keys, or beaded
chains touch exposed terminals. The
conductive material may complete an electrical
circuit (short circuit) and become quite hot.
Exercise care in handling any charged battery,
particularly when placing it inside a pocket,
purse, or other container with metal objects.
BATTERY INFORMATION
Charging Batteries
This product is powered by a nickel-metal-
hydride (NiMH), or lithium-ion rechargeable
battery. Charge the battery before use to
ensure optimum capacity and performance.
The battery was designed specifically to be
used with a Motorola charger. Charging in non-
Motorola equipment may lead to battery
damage and void the battery warranty.
Note: When charging a battery attached to a
radio, turn the radio off to ensure a full
charge.
The battery should be at about 77°F (25°C)
(room temperature), whenever possible.
Charging a cold battery (below 50° F [10°C])
may result in leakage of electrolyte and
ultimately in failure of the battery. Charging a
hot battery (above 95°F [35°C]) results in
reduced discharge capacity, affecting the
performance of the radio. Motorola rapid-rate
battery chargers contain a temperature-
sensing circuit to ensure that batteries are
charged within the temperature limits stated
above.
!
C a u t i o n
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SAFETY AND
WARRANTY
LIMITED WARRANTY
MOTOROLA COMMUNICATION
PRODUCTS
I. WHAT THIS WARRANTY COVERS AND
FOR HOW LONG:
MOTOROLA INC. (MOTOROLA) warrants the
MOTOROLA manufactured Communication
Products listed below (Product) against defects
in material and workmanship under normal use
and service for a period of time from the date of
purchase as scheduled below:
CT150/CT250
Portable Units One (1) Year
Product Accessories One (1) Year
Motorola, at its option, will at no charge either
repair the Product (with new or reconditioned
parts), replace it (with a new or reconditioned
Product), or refund the purchase price of the
Product during the warranty period provided it is
returned in accordance with the terms of this
warranty. Replaced parts or boards are
warranted for the balance of the original
applicable warranty period. All replaced parts of
Product shall become the property of
MOTOROLA.
This express limited warranty is extended by
MOTOROLA to the original end user purchaser
only and is not assignable or transferable to any
other party. This is the complete warranty for the
Product manufactured by MOTOROLA.
MOTOROLA assumes no obligations or liability
for additions or modifications to this warranty
unless made in writing and signed by an officer
of MOTOROLA. Unless made in a separate
agreement between MOTOROLA and the
original end user purchaser, MOTOROLA does
not warrant the installation, maintenance or
service of the Product.
MOTOROLA cannot be responsible in any way
for any ancillary equipment not furnished by
MOTOROLA which is attached to or used in
connection with the Product, or for operation of
the Product with any ancillary equipment, and all
such equipment is expressly excluded from this
warranty. Because each system which may use
the Product is unique, MOTOROLA disclaims
liability for range, coverage, or operation of the
system as a whole under this warranty.
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SAFETY AND
WARRANTY
II. GENERAL PROVISIONS:
This warranty sets forth the full extent of
MOTOROLAs responsibilities regarding the
Product. Repair, replacement or refund of the
purchase price, at MOTOROLAs option, is the
exclusive remedy. THIS WARRANTY IS GIVEN
IN LIEU OF ALL OTHER EXPRESS
WARRANTIES. IMPLIED WARRANTIES,
INCLUDING WITHOUT LIMITATION, IMPLIED
WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE,
ARE LIMITED TO THE DURATION OF THIS
LIMITED WARRANTY. IN NO EVENT SHALL
MOTOROLA BE LIABLE FOR DAMAGES IN
EXCESS OF THE PURCHASE PRICE OF THE
PRODUCT, FOR ANY LOSS OF USE, LOSS OF
TIME, INCONVENIENCE, COMMERCIAL
LOSS, LOST PROFITS OR SAVINGS OR
OTHER INCIDENTAL, SPECIAL OR
CONSEQUENTIAL DAMAGES ARISING OUT
OF THE USE OR INABILITY TO USE SUCH
PRODUCT, TO THE FULL EXTENT SUCH MAY
BE DISCLAIMED BY LAW.
III. STATE LAW RIGHTS:
SOME STATES DO NOT ALLOW THE
EXCLUSION OR LIMITATION OF INCIDENTAL
OR CONSEQUENTIAL DAMAGES OR
LIMITATION ON HOW LONG AN IMPLIED
WARRANTY LASTS, SO THE ABOVE
LIMITATION OR EXCLUSIONS MAY NOT
APPLY.
This warranty gives specific legal rights, and
there may be other rights which may vary from
state to state.
IV. HOW TO GET WARRANTY SERVICE:
You must provide proof of purchase (bearing the
date of purchase and Product item serial number)
in order to receive warranty service and, also,
deliver or send the Product item, transportation
and insurance prepaid, to an authorized warranty
service location. Warranty service will be
provided by Motorola through one of its
authorized warranty service locations. If you first
contact the company which sold you the Product
(e.g., dealer or communication service provider),
it can facilitate your obtaining warranty service.
You can also call Motorola at 1-800-927-2744
US/Canada.
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SAFETY AND
WARRANTY
V. WHAT THIS WARRANTY DOES NOT
COVER:
A Defects or damage resulting from use of the
Product in other than its normal and
customary manner.
B Defects or damage from misuse, accident,
water, or neglect.
C Defects or damage from improper testing,
operation, maintenance, installation,
alteration, modification, or adjustment.
D Breakage or damage to antennas unless
caused directly by defects in material
workmanship.
E A Product subjected to unauthorized
Product modifications, disassemblies or
repairs (including, without limitation, the
addition to the Product of non-Motorola
supplied equipment) which adversely affect
performance of the Product or interfere with
Motorolas normal warranty inspection and
testing of the Product to verify any warranty
claim.
F Product which has had the serial number
removed or made illegible.
G Freight costs to the repair depot.
H A Product which, due to illegal or
unauthorized alteration of the software/
firmware in the Product, does not function in
accordance with MOTOROLAs published
specifications or the FCC type acceptance
labeling in effect for the Product at the time
the Product was initially distributed from
MOTOROLA.
I Scratches or other cosmetic damage to
Product surfaces that does not affect the
operation of the Product.
J Normal and customary wear and tear.
VI. PATENT AND SOFTWARE PROVISIONS:
MOTOROLA will defend, at its own expense, any
suit brought against the end user purchaser to
the extent that it is based on a claim that the
Product or parts infringe a United States patent,
and MOTOROLA will pay those costs and
damages finally awarded against the end user
purchaser in any such suit which are attributable
to any such claim, but such defense and
payments are conditioned on the following:
A that MOTOROLA will be notified promptly in
writing by such purchaser of any notice of
such claim;
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SAFETY AND
WARRANTY
B that MOTOROLA will have sole control of the
defense of such suit and all negotiations for
its settlement or compromise; and
C should the Product or parts become, or in
MOTOROLAs opinion be likely to become,
the subject of a claim of infringement of a
United States patent, that such purchaser
will permit MOTOROLA, at its option and
expense, either to procure for such
purchaser the right to continue using the
Product or parts or to replace or modify the
same so that it becomes non-infringing or to
grant such purchaser a credit for the Product
or parts as depreciated and accept its
return. The depreciation will be an equal
amount per year over the lifetime of the
Product or parts as established by
MOTOROLA.
MOTOROLA will have no liability with respect to
any claim of patent infringement which is based
upon the combination of the Product or parts
furnished hereunder with software, apparatus or
devices not furnished by MOTOROLA, nor will
MOTOROLA have any liability for the use of
ancillary equipment or software not furnished by
MOTOROLA which is attached to or used in
connection with the Product. The foregoing
states the entire liability of MOTOROLA with
respect to infringement of patents by the Product
or any parts thereof.
Laws in the United States and other countries
preserve for MOTOROLA certain exclusive rights
for copyrighted MOTOROLA software such as
the exclusive rights to reproduce in copies and
distribute copies of such Motorola software.
MOTOROLA software may be used in only the
Product in which the software was originally
embodied and such software in such Product
may not be replaced, copied, distributed,
modified in any way, or used to produce any
derivative thereof. No other use including,
without limitation, alteration, modification,
reproduction, distribution, or reverse engineering
of such MOTOROLA software or exercise of
rights in such MOTOROLA software is permitted.
No license is granted by implication, estoppel or
otherwise under MOTOROLA patent rights or
copyrights.
VII. GOVERNING LAW:
This Warranty is governed by the laws of the
State of Illinois, USA.
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RADIO OVERVIEW
RADIO OVERVIEW
PARTS OF THE RADIO
CT150
/CT250
Models
O
n/Off/Volume
Knob
Microphone
(programmable)
Side Button 1
Push-to-Talk
(PTT) Button
LED Indicator
(programmable)
Side Button 2
C
hannel Selector
Knob
Accessories
Port with a
Dust Cover
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RADIO OVERVIEW
On/Off/Volume Knob
Turns the radio on or off, and adjusts the
radio’s volume.
Channel Selector Knob
Switches the radio to different channels.
Push-to-Talk (PTT) Button
Press and hold down this button to talk;
release it to listen.
Microphone
When sending a message, hold the
microphone 1 to 2 inches (2.5 to 5 cm) away
from your mouth, and speak clearly into it.
LED Indicator
Indicates power-up, radio call and scan status.
Basic Features
Optional Transmit Power Level Indicator
Feature (check with your dealer)
LED State/Color Indication
Radio Call
Continuous Red Sending message
Blinking Red Receiving message
Scan
Blinking Green Scanning for activity
Low Battery
Blinking Red
when sending
message
Low battery level
LED State/Color Indication
Power Level
Continuous Red Sending message in high
power
Continuous
Green
Sending message in low
power
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RADIO OVERVIEW
Optional Transmit Battery Status Indicator
(check with your dealer)
Programmable Buttons
The two side buttons on your radio can be
programmed by your dealer as shortcuts to
various radio features.
Check with your dealer for a complete list of
functions your radio supports.
Each button can be programmed to select
features, depending on the type of button
press:
short press quickly pressing and releas-
ing the programmable buttons
long press pressing and holding the
programmable buttons for a period of time
(default 1 1/2 seconds or programmed
value) before releasing
hold down pressing and holding down
the programmable buttons while checking
status or making adjustments
Depending on how your radio has been
programmed by your dealer, these functions
are activated EITHER through a short press
OR a long press, but NOT both.
A summary of programmable radio features
and corresponding page references appears
beginning on page 14.
In the Feature column, have your dealer write
down the programmable buttons next to the
features that have been programmed to them.
LED State/Color
(Battery status
while pressing
PTT)
Indication
Blinking Green Battery is fully charged
Continuous Green Battery is optimally charged
Continuous Yellow Battery is half charged
Continuous Red Low battery level
Blinking Red Very low battery level
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RADIO OVERVIEW
Feature Short Press/Long Press Hold Down Page Button
Monitor
Monitors the selected channel for
any activity.
Volume Set
Sounds a tone for adjusting the
radios volume level.
21
Power Level
Toggles your radios transmit power
level between High and Low power.
23
Repeater/
Talkaround
Toggles between using a repeater
and transmitting directly to another
radio.
23
Squelch
Toggles your radios squelch level
between tight and normal squelch.
23
Scan Starts or stops the Scan operation. 25
Nuisance
Channel
Delete
Deletes a nuisance channel while
scanning.
25
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RADIO OVERVIEW
INDICATOR TONES
High pitched tone Low pitched tone
AUDIO INDICATORS FOR
PROGRAMMABLE BUTTONS
Some programmable buttons use tones to
indicate one of two modes:
Self Test Pass Tone
Self Test Fail Tone
Positive Indicator Tone
Negative Indicator Tone
Button
Positive
Indicator Tone
Negative
Indicator Tone
Scan Start scan Stop scan
Power
Level
High power
selected
Low power
selected
Squelch Tight squelch Normal squelch
Repeater/
Talkaround
Does not use
repeater
Uses repeater
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RADIO OVERVIEW
IMPROVED AUDIO FEATURES
Low Level Expansion (LLE)
The LLE feature of your radio improves voice
quality by reducing unwanted background
noise when receiving a message. It is
compatible with most major types of audio
processing systems available today.
Companding
Companding is a feature that allows further
improvement of voice quality. It compresses
your voice at transmission, and expands it
when receiving while simultaneously reducing
extraneous noise. However, to enjoy this
benefit, all transmitting and receiving radios
must have this feature activated.
17
English
GETTING STARTED
GETTING STARTED
BATTERY INFORMATION
Charging Your Battery
If a battery is new, or its charge level is very
low, you will need to charge it before you can
use it. When the battery level is very low and
the radio is in transmit mode you will see the
LED indicator flash red and hear an alert tone.
Note: Batteries are shipped uncharged from
the factory. Always charge a new
battery 14 to 16 hours before initial
use, regardless of the status indicated
by the charger.
To charge the battery, place the battery, with or
without the radio, in the charger. The charger
LED indicates charging progress:
A list of Motorola-authorized batteries and
battery chargers appears on page 27. The
listed chargers will charge only Motorola-
authorized batteries. Other batteries may not
charge.
LED color Status
Single Green Flash Successful charger
power-up.
Flashing Red
* Battery unchargeable or
not making proper contact.
Flashing Yellow Battery in charger. Charger
is getting ready to start
charging.
Steady Red Battery is charging.
Flashing Green
Battery 90% (or more)
charged.
Steady Green Battery fully charged.
* Remove the battery from the charger
and use a pencil eraser to clean the
four metal contacts on the bottom of
the battery. Place the battery back in
the charger. If the LED indicator
continues to fash red, replace the
battery.
A standard battery may require one
hour to charge to 90% capacity.
LED color Status
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Motorola CT250 User manual

Category
Two-way radios
Type
User manual
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