User's Manual

Table Of Contents
5. DCS Select
Open the software, input the necessary frequency,click
"DCS""which is under "CTCSS/DCS decode" and
"CTCSS/DCS encode", and select the necessary CTCSS,
then write it into transceiver by software.
6.Time-out Timer(TOT)
TOT function is used to prevent a channel have been used for a
long time.
If the transmitting time exceeds the programmable time,
transceiver will stop transmitting, and send alarm sound.
Release [PTT] key, transceiver will back to receiving mode
automatically .
USB Charger
Hand Strap
Battery
Belt Clip
PREPARATION
Notice:
·
If battery is not fully charged within schedule time, stop
charging. Otherwise the battery may be overheat and
smoke and burst into fire.
·Do not throw the battery into micro-wave oven and high-
pressure container!
The battery may be overheat and smoke and burst into fire.
·Prevent the break as well as liquid spilling battery from fire!
If the battery is spilling(or exuding smelly smell), put it
away from inflammable area. The electrolyte spilling from
the battery is easy to catch fire, and it will cause battery
smokes or burst into fire suddenly.
·Do not use unusual battery!
If battery smells smelly, different colors, out of shape or
any unusual display, please remove the battery from
charger or operating device and do not use it .
·Please use standard charger
The charger supplied is specialized designed for this
transceiver only, it will charge the battery more scientific
reasonable, and safety.
1.Use Li-ion Battery
·Charge the battery before use.
·To prevent battery pack from discharging, please remove
the battery from transceiver or device when it is not in use,
and then store it in a cool dry place
·For battery long time storage
1. Remove the battery from device
Do not charge the battery for a long time!
2. If possible,discharge battery.
3. Store it in a cool(below 25℃) and dry place.
2.Battery Characteristic
·The capacity of battery will reduce step by step after being
charged and discharged again and again.
·Battery will be aged even without any usage.
·It will cost longer time to charge the battery in cool and dry place.
·Battery working life will be reduced if being charged in hotter
place. Battery ages more quickly when stored in hot place.
Please do not leave battery in car and put it near any heating device.
· If battery working life becomes shorter, please replace it even
it is fully charged. If go on being charged and discharged, the
electrolyte will spill.
3.Charge Li-ion Battery
When charger is power on, put battery in and full connected, the
light will turn red, start charging. When battery has been fully
charged, the green light on.
4. Install/Remove Battery Pack
Note:
· Do not short circuit battery pack terminals or throw battery
pack into fire.
· Do not try to remove the battery pack shell.
· Do not install battery pack under dangerous conditions,
otherwise spark will cause explosion.
Insert the top part of the battery pack into the top 2 slots of
the transceiver and then press the battery pack down until a
"click" sound is heard.(Pic1)
To remove the battery pack, make sure the transceiver has
been turned off, and then press the battery released latch in the
(Pic1)
(Pic2)
(Pic3) (Pic4)
bottom of transceiver, and pull the bottom part of battery away
from the transceiver body, and remove the battery.(Pic2)
5.Install/Remove Belt Clip
If necessary, install the supplied screws into the belt clip at the
back of battery pack for easy carry.(Pic3)
To remove the belt clip, directly remove the two screws only.
6.Install Hand Strap
Install the hand strap at the middle circle of the transceiver.(Pic4)
GETTING STARTED
Power/Volume Knob
Rotate the knob clockwise to turn on the transceiver, keep
rotating to adjust the volume.To turn it off, rotate the knob to
the end anticlockwise.
LED Indicator
When transmitting, LED indicator turns green, and when
receiving, LED indicator turns red. LED indicator will flash
red when battery in low voltage.
Channel Selection Knob
Rotate this knob to select different channels.
PTT(Push-To-Talk) Switch
To transmit, press PTT button and face towards
microphone to talk.
Scan Key
Press it to open and again to close this function.
MONI Key
Press it to monitor the selected channel.
MIC-SP Jack
It is to connect the optional microphone-speaker.
BASIC OPERATION
1.Turn On/Turn Off
Rotate the Power/Volume knob clockwise to turn on the
transceiver
Rotate the Power/Volume knob anticlockwise to turn on
the transceiver.
2.Adjust Volume
Rotate the Power/Volume knob to adjust the volume.
Clockwise rotation will rise the volume and anticlockwise
rotation will reduce the volume.
·More accurate adjustment is needed while communication.
Note: You can press MONI key to monitor the background
noise while adjusting volume.
3.Channel Select
Rotate Channel Selection Knob to select needed channel.
Clockwise rotation will rise the channel number and
anticlockwise rotation will reduce the channel number.
Voice Prompt: The radio will be voice prompt recent
channel number automic when you rotete channel knob.
The voice prompt can be set by English and Chinese, you
can select the language by software.
4.Adjust Squelch Level
Squelch function is used to let speaker quiet when no any
signal. When squelch is on, you can hear background noise
from speaker. When squelch is off, no any noise can be
heard.
The selected squelch level will decide where to turn on or off
squelch function. If the selected squelch level is too high, then
weaker signal can not be heard; But if the selected squelch
level is too low , then signal will appear with the background
noise. (PC programmable)
5.Transmit(Call)
1. According to different settings of monitor function,
press [MONI] key to monitor loudspeaker. Make sure no any
transceiver is transmitting on the selected channel.
2. Press [PTT] key, and speak to microphone.
(1) Keep microphone away from your mouth about 3~4 cm,
and speak in your usual tone, so that the receiver can get
best tone quality.
(2) Press [PTT] key, LED indicator displays red.
3. Release [PTT] key and start to receive.
6.Receive
When the selected channel is being called, LED indicator
displays green, you can receive the call.
·If the transmitting signal is weaker, and also higher squelch
level is set, then maybe you can not receive the call.
·Maybe your local dealer has set CTCSS/DCS signalling on
your transceiver. When this programmable channels has
been selected, only transceiver with same signalling can be
received. Other transmitting can not be received.
VOX FUNCTION
Press and hold the [MONI] key to boot, and VOX setting
function will be open, then press [MONI] key again to select
VOX levels, you can use short press the [MONI] key to select
the VOX levels from 0-9 , finally press [PTT] key to confirm.
Press and hold theScan key to boot, you can enter into
the VOX delay setting. Then you can short press Scankey
to select 1-6 VOX delay levels, finally press PTTkey to
confirm.
SCAN FUNCTION
Press Scan key to start auto scan. When receiving signal,
it will stop at current channel, and it will auto scan again
after signal disappears in 5s. Press [PTT] key, if scan is
working, then transmitting will according to the frequency
from the scan start channel. If scan stops, transmitting will
according to current channel.(PC programmable)
CTCSS and DCS
Maybe your local dealer has set CTCSS/DCS signalling on
your transceiver. When this programmable channels has
been selected, only transceiver with same signalling can be
received. Other transmitting can not be received.
This function can help you not to receive unnecessary call.
It seems the transceiver maybe have its own channel after
CTCSS/DCS has been input, but if other transceivers have
been set same CTCSS/DCS codes, your transmitting can be
also heard.
AUXILIARY FUNCTION
1. Busy Channel Lockout
Start this function to prevent interfereing other transceiver
using same channel frequency.
,
The default setting of this function is off if the selected
, when
channel is programmed on by software or local dealer
key
,
other transceiver is using this channel
, i
f press [PTT
]
"
beep
",
then can not transmit , and transceiver will sound
"
beep
". T
o stop beep sound
, r
elease PTT key
.
]When this channel is free, press PTT key again to transmit.
2. Battery Voltage
When transceiver power is on, battery voltage will be auto
detected. When voltage is low, LED indicator displays red.
The transceiver can be used for a while, but excessive
transmitting will run out of battery quickly. When battery
voltage is very low, an alarm will be heard, transmitting is
prohibited. Please charge the battery pack or replace the
battery pack.
3. Monitor
You can press [MONI] key to monitor weaker signal which is
difficult to be received under normal operation, and also
adjust the selected channel volume if signal disappears.
4. CTCSS Select
Open the software, input the necessary frequency, click
"CTCSS" which is under "CTCSS/DCS decode" and
"CTCSS/DCS encode", and select the necessary CTCSS,
then write it into transceiver by software.
USB Charger
Two Way Radio
RT27V
11
CTCSS FREQUENCY(50 groups)
DCS FREQUENCY (105 groups)
10
Technical specifications
Operating frequency: MURS
Channels: 5
Modulation type: F3E
Bandwidth: 11.25KHz/20.00KHz
Power source: Li-ion Battery 3.7V DC/1100mAh
Channel and frequency correspondence list
CH.Freq.
151.820
151.880
CH.Freq.
151.940
154.570
CH.Freq.
154.600
CH.No
1
2
CH.No
3
4
CH.No
5
Note: Above channels are license free channels
CONTENTS
UNPACKING AND CHECKING EQUIPMENT.................................1
PREPARATION..........................................................................................2
GETTING STARTED.................................................................................5
BASIC OPERATION..................................................................................6
VOX FUNCTION........................................................................................8
SCAN FUNCTION...................................................................................8
CTCSS/DCS................................................................................................8
AUXILIARY FUNCTIONS.........................................................................9
CTCSS FREQUENCY(50 CTCSS FREQUENCY).................................10
DCS FREQUENCY (105 DCS FREQUENCY)...........................................11
.............................................................11
...........................................................12
TECHNICAL SPECIFICATIONS
RF ENERGY EXPOSURE AND PRODUCT SAFETY GUIDE FOR
PORTABLE TWO-WAY RADIOS
MADE IN CHINA
Web: www.retevis.com
E-mail: kam@retevis.com
Facebook: facebook.com/retevis
Version:R20190219
General population/uncontrolled Radio, this radio is designed for and
classified as “General population/uncontrolled Use”.
RF Exposure Compliance and Control Guidelines and Operating
Instructions
To control your exposure and ensure compliance with the General
population/uncontrolled 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.
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.
Unauthorized modification and adjustment
Changes or modifications not expressly approved by the party
1615
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 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 B digital device, pursuant to part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one or more
of the following measures:
—Reorient or relocate the receiving antenna.
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·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.
—Increase the separation between the equipment and receiver.
—Connect the equipment into an outlet on a circuit different from that to
which the receiver is connected.
—Consult the dealer or an experienced radio/TV technician for help.
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.
·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
interference that may cause undesired operation of the device.
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.
This radio is designed for and classified as “General population/uncontrolled
Use”
17
13
18
12
·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 product as
you would a wireless telephone. Speak directly into the microphone.
Electromagnetic Interference/Compatibility
NOTE: Nearly every electronic device is susceptible to
RF ENERGY EXPOSURE AND PRODUCT SAFETY GUIDE
FOR PORTABLE TWO-WAY RADIOS
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
tested 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/
electromagnetic interference (EMI) if inadequately shielded,
designed, or otherwise configured for electromagnetic
compatibility.
Avoid Choking Hazard
Small Parts. Not for children under 3 years.
Turn off your radio power in the following conditions:
·Turn off your radio before removing (installing)
a battery or accessory or when charging battery.
·Turn off your radio when you are in a potentially
hazardous environments: Near electrical blasting
caps, in a blasting area, in explosive atmospheres
(inflammable gas, dust particles, metallic
powders, grain powders, etc.).
·Turn off your radio while taking on fuel or while
parked at gasoline service stations.
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 (Pacemakers, Hearing Aids and
Other Medical Devices) may be using equipment
that is sensitive to external RF energy.
·Turn off your radio when on board an aircraft.
19 20
21
Any use of a radio must be in accordance with
applicable regulations per airline crew
instructions.
Protect your hearing:
·Use the lowest volume necessary to do your job.
·Turn up the volume only if you are in noisy
surroundings.
·Turn down the volume before adding headset
or earpiece.
·Limit the amount of time you use headsets or
earpieces at high volume.
·When using the radio without a headset or
earpiece, do not place the radio's speaker directly
against your ear
·Use careful with the earphone maybe
possible excessive sound pressure from
earphones and headphones can cause
hearing loss
Note: Exposure to loud noises from any source
for extended periods of time may temporarily or
permanently affect your hearing. The louder the
radio's volume, the less time is required before your
hearing could be affected. Hearing damage from
loud noise is sometimes undetectable at first and
can have a cumulative effect.
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.
22
Avoid Burns
Antennas
·Do not use any portable radio that has a damaged
antenna. If a damaged antenna comes into contact
with the skin when the radio is in use, a minor
burn can result.
Batteries (If appropriate)
·When the conductive material such as jewelry,
keys or chains touch exposed terminals of the
batteries, may complete an electrical circuit
(short circuit the battery) and become hot to
cause bodily injury such as burns. Exercise care
in handling any battery, particularly when
placing it inside a pocket, purse or other
container with metal objects
Long transmission
·When the transceiver is used for long
transmissions, the radiator and chassis will
become hot.
Safety Operation
Forbid
·Do not use charger outdoors or in moist
environments, use only in dry locations
/conditions.
·Do not disassemble the charger, that may result in
risk of electrical shock or fire.
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·Do not operate the charger if it has been broken or
damaged in any way.
·Do not place a portable radio in the area over an
air bag or in the air bag deployment area. The
radio may be propelled with great force and cause
serious injury to occupants of the vehicle when
the air bag inflates.
To reduce risk
·Pull by the plug rather than the cord when
disconnecting the charger.
·Unplug the charger from the AC outlet before
attempting any maintenance or cleaning.
·Contact Retevis for assistance regarding repairs
and service.
·The adapter shall be installed near the equipment
and shall be easily accessible
Approved Accessories
·This radio meets the RF exposure guidelines
when used with the Retevis accessories supplied
or designated for the product. Use of other
accessories may not ensure compliance with the
RF exposure guidelines and may violate
regulations.
·For a list of Retevis-approved accessories for
your radio model, visit the following website:
http://www.Retevis.com

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