Retevis RT639 User manual

USER'S MANUAL
Model: RT639
Easy to Use Walkie Talkie
PTT/CALL
CH
PTT/CALL
CH
EU
DE
FR
IT
ES

WARNINGS
Product safety and RF Exposure for two way radio:
Before using this two way radio, please read
the manual which contains important operating
instructions for safe usage, RF Energy
Awa-reness, control information and
operational instructions for compliance with
RF Energy Exposure limits in applicable
national and international standards, and
also read the operational instructions for
safe use.
English
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Before you start:
●Do not mix old and new batteries
●Do not use the device If you carry any personal medical
device
●Do not continuing to use with the broken aerial/antenna
●Do not use the device in a potentially explosive
surroundings
●Do not use the device to interference with others
●Do not cover the microphone while talking
●Do not take the antenna down
●Do not use any solvent for cleaning
●Do not modify the device in personal any way
●No emergency feature offered
1. Quick Show
1.1 Key Buttons
PTT/CALL
CH
Antenna
MIC
LED1
Power on/off
PTT/CALL
Speaker
Channel
LED2
Belt Clip
Locked by Screw,
More Safety for Kids
1.2 Removing the belt clip
Before you insert any batteries into the device, first remove
the belt clip away.
1.3 Remove the battery compartment door
Please Open it with a screwdriver
Note: Children under Age of 12 should open the screws
under their supervisor
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1.4 Installing the Batteries
1. Remove the battery compartment door.
2. Insert 3 ×AAA batteries(Not included) for each radio.
3. Position the batteries correctly, especially the positive
and the negative.4. Replace the battery cover.
5. Close the screw with a screwdriver.
Note: Children under Age of 12 should open the screws
under their supervision
2. How to use your Walki e Talkies:
2.1 Turning ON/OFF
Press and hold on the for 3 seconds to turn it on/off, then
you will hear a beep sound.
2.2 Selecting a Channel
In order to speak to someone, all your radios must be set to
the same channel.
Switch to press the button”CH”, the “L1” or “L2” will flash.
If “L1” flash, it is in Channel 1,
If “L2” flash, it is in Channel 2,
If “L1” and “L2” both flash, then it is in Channel 3.
Note: No further pressing within 6 seconds,It will reset to
STANDBY mode.
2.3 Talking and Listening:
If you press and hold on the button “PTT/CALL” , It is
Talking. Release the “PTT/CALL” button when you have
finished transmitting. For the other one,If a signal is
received, It is Listening.
For maximum clarity, hold the radio one inch away from
your mouth and speak directly into the microphone. Do not
cover the microphone while talking.
Note:
1. Do not use the radios closer than five feet apart.
2. The talking range could reach up to 4km, which is
calculated based on an unobstructed line of sight test under
optimum conditions. However, actual range will vary
depending on terrain and conditions,and is often less than
the maximum possible.
3. Usually your actual range will be limited by several
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Frequency
Operating
temperature range
Power Source
Channels
Range
Transmission Power
Modulation Type
Channel spacing
PMR446
-30~55°C
3xAAA(Not include)
CH1:446.04375 MHz(88.5HZ CTCSS
code)
CH2:446.09375 MHz(114.8HZ
CTCSS code)
CH3:446.19375 MHz(146.2HZ
CTCSS code)
Up to 2Km(Open field)
≤0.5Watts
FM-F3E
12.5 KHZ
Before using this radio, read this guide which
contains important operating instructions for
safe usage and RF energy awareness and
control for compliance with applicable
standards and regulations.
ATTENTION!
RF ENERGY EXPOSURE AND PRODUCT SAFETY GUIDE
FOR PORTABLE TWO-WAY RADIOS
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factors including, but not limited to: terrain,weather
conditions,electromagnetic interference,and obstructions.
2.4 Talk Confirmation Tone:
Also called as Roger Beep, which sounds to indicate the
end of a PTT transmission.
2.5 Sending a Call tone Quickly
Your radio is equipped with a call tone. To transmit a call
tone,Press the PTT button once quickly. Both the talker and
listener could hear that.
3. Further Technical Specifications:

This two-way radio uses electromagnetic energy in the
radio frequency (RF) spectrum to provide communications
between two or more users over a distance. RF energy,
which when used improperly, can cause biological damage.
All Retevis two-way radios are designed, manufactured,
and ested to ensure they meet government-established RF
exposure levels. In addition, manufacturers also
recommend specific operating instructions to users of
two-way radios. These instructions are important because
they inform users about RF energy exposure and provide
simple procedures on how to control it. Please refer to the
following websites for more information on what RF energy
exposure is and how to control your exposure to assure
compliance with established RF exposure limits:
http://www.who.int/en/
Local Government Regulations
When two-way radios are used as a consequence of
employment, the Local Government Regulations requires
users to be fully aware of and able to control their exposure
to meet occupational requirements. Exposure awareness
can be facilitated by the use of a product label directing
users to specific user awareness information. Your Retevis
two-way radio has a RF Exposure Product Label. Also, your
Retevis user manual, or separate safety booklet includes
information and operating instructions required to control
your RF exposure and to satisfy compliance requirements.
Radio License
Governments keep the radios in classification, business
two-way radios operate on radio frequencies that are
regulated.
by the local radio management departments (FCC, ISED,
OFCOM, ANFR, BFTK, Bundesnetzagentur...).To transmit
on these frequencies, you are required to have a license
issued by them. The detailed classification and the use of
your two radios, please contact the local government radio
management departments.Use of this radio outside the
country where it was intended to be distributed is subject to
government regulations and may be prohibited.
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Unauthorized modification and adjustment
Changes or modifications not expressly approved by the
party responsible for compliance may void the user’s
authority granted by the local government radio
management departments to operate this radio and should
not be made. To comply with the corresponding
requirements, transmitter adjustments should be made only
by or under the supervision
of a person certified as technically qualified to perform
transmitter maintenance and repairs in the private land
mobile and fixed services as certified by an organization
representative of the user of those services.Replacement of
any transmitter component (crystal, semiconductor, etc.) not
authorized by the local government radio management
departments equipment authorization for this radio could
violate the rules.
FCC Requirements:
This device complies with part 15 of the FCC Rules.
Operation is subject to the condition that this device does
not cause harmful interference. (Licensed radios are
applicable); This device complies with part 15 of the FCC
Rules. Operation is subject to the following two conditions:
(Other devices are applicable)
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received,
including interference that may cause undesired operation.
NOTE: This equipment has been tested and found to
comply with the limits for a Class A digital device, pursuant
to part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference
when the equipment is operated in a commercial
environment. This equipment generates, uses, and can
radiate radio frequency
energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a
residential area is likely to cause harmful interference in
which case the user will be required to correct the
interference at his own expense.

CE Requirements:
•(Simple EU declaration of conformity) Shenzhen Retevis
Technology Co., Ltd. declares that the radio equipment type
is in compliance with the essential requirements and other
relevant provisions of RED Directive 2014/53/EU and the
ROHS Directive 2011/65/EU and the WEEE Directive
2012/19/EU; the full text of the EU declaration of conformity
is available at the following internet address:
www.retevis.com.
•Restriction Information
This product can be used in EU countries and regions,
including: Belgium (BE), Bulgaria (BG), Czech Republic
(CZ), Denmark (DK), Germany (DE), Estonia (EE), Ireland
(IE), Greece (EL), Spain (ES), France (FR), Croatia (HR),
Italy (IT), Cyprus (CY), Latvia (LV), Lithuania (LT),
Luxembourg (LU), Hungary (HU), Malta (MT), Netherlands
(NL), Austria (AT), Poland (PL), Portugal (PT), Romania
(RO), Slovenia (SI), Slovakia (SK), Finland (FI), Sweden
(SE) and United Kingdom (UK).For the warning information
of the frequency restriction, please refer to the package or
manual section.
•Disposal
The crossed-out wheeled-bin symbol on your product,
literature, or packaging reminds you that in the European
Union, all electrical and electronic products, batteries, and
accumulators (rechargeable batteries) must be taken
to designated collection locations at the end of their
working life. Do not dispose of these products as
unsorted municipal waste. Dispose of them according
to the laws in your area.
IC Requirements:
Licence-exempt radio apparatus This device contains
licence-exempt transmitter(s)/receiver(s) that comply with
Innovation, Science and Economic Development Canada’s
licence-exempt RSS(s). Operation is subject to the
following two conditions:
(1) This device may not cause interference.
(2) This device must accept any interference, including
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RF Exposure Information
•DO NOT operate the radio without a proper antenna
attached, as this may damage the radio and may also
cause you to exceed RF exposure limits. A proper antenna
is the antenna supplied with this radio by the manufacturer
or an antenna specifically authorized by the manufacturer
for use with this radio, and the antenna gain shall not
exceed the specified gain by the manufacturer declared.
•DO NOT transmit for more than 50% of total radio use
time, more than 50% of the time can cause RF exposure
compliance requirements to be exceeded.
•During transmissions, your radio generates RF energy that
can possibly cause interference with other devices or
systems. To avoid such interference, turn off the radio in
areas where signs are posted to do so.•DO NOT operate
the transmitter in areas that are sensitive to
electromagnetic radiation such as hospitals, aircraft, and
blasting sites.
•Portable Device, this transmitter may operate with the
antenna(s) documented in this filing in Push-to-Talk and
body-worn configurations. RF exposure compliance is
limited to the specific belt-clip and accessory configurations
as documented in this filing and the separation distance
between user and the device or its antenna shall be at least
2.5 cm.
•Mobile Device, during operation, the separation distance
between user and the antenna subjects to actual
regulations, this separation distance will ensure that there is
sufficient distance from a properly installed
externally-mounted antenna to satisfy the RF exposure
requirements.
•Occupational/Controlled Radio, this radio is designed for
and classified as “Occupational/Controlled Use Only”,
meaning it must be used only during the course of
employment by individuals aware of the hazards, and the
ways to minimize such hazards; NOT intended for use in a
General population/uncontrolled environment.
•General population/uncontrolled Radio, this radio is
designed for and classified as “General
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population/uncontrolled Use”.
RF Exposure Compliance and Control Guidelines and
Operating Instructions
To control your exposure and ensure compliance with the
occupational/controlled environment exposure limits,
always adhere to the following procedures.
Guidelines:
•User awareness instructions should accompany the device
when transferred to other users.
•Do not use this device if the operational requirements
described herein are not met.
Operating Instructions:
•Transmit no more than the rated duty factor of 50% of the
time. To Transmit (Talk), push the Push to Talk (PTT)
button. To receive calls (listen), release the PTT button.
Transmitting 50% of the time, or less, is important because
the radio generates measurable RF energy exposure only
when transmitting in terms of measuring for standards
compliance.
•Transmit only when people outside the vehicle are at least
the recommended minimum lateral distance away from a
properly installed according to installation instructions,
externally mounted antenna.
•When operating in front of the face, worn on the body,
always place the radio in a Retevis approved clip, holder,
holster, case, or body harness for this product. Using
approved body-worn accessories is important because the
use of Non-Retevis approved accessories may result in
exposure levels, which exceed the IEEE/ICNIRP RF
exposure limits.
Hand-held Mode
• Hold the radio in a vertical position with the microphone
(and other parts of the radio including the antenna) at least
2.5 cm (one inch) away from the nose or lips.The antenna
should be kept away from the eyes. Keeping the radio at a
proper distance is important as RF exposure decreases
with increasing distance from the antenna.
Phone Mode
•When placing or receiving a phone call, hold your radio
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