Retevis RB35 User manual

USER’S MANUAL
UHF(462.5500-462.7250MHz)
Super Receiving
Scanning
VOX
Torch
Alarm Function
Channel Lockout
Monitor
High-Low Power Selection
Busy Channel Lockout
Low Battery Warning
Special Signaling
50 CTCSS/208 DCS
RB35
TWO WAY RADIO

Charging the Battery
1.The battery is not charged in the factory, please charge the battery
under the environmental temperature 5—40℃before using.
2.After purchasing or long-term storage(more than two months),charging
the battery for the first time can not reach its saturation capacity,repeat
charge/discharge for twice or three times to make battery capacity
achieve the best state.
3.Before charging,please power off the transceiver,using the transceiver
during charging may affect correct charging.
4.If the battery has been charged fully,please do not charge it
again,otherwise the service life of the battery may be shorten or may be
damaged.
5.If the service time is significantly reduced even after completely correct
charging,the battery can not be used any more,please replace a new
battery.
BASIC OPERATION:
·Power/Volume Button
Rotate the power button, you can turn on/off the radio.
When radio is turn on, Rotate it again, you can adjust the radio’s Volume
·Channel Selection
Short press【UP/DOWN】keys to adjust the channels.
·PTT
Press this button you can talk to others.
·Monitoring
When“Side Key 2” in the software is programmed to the monitoring
function,long press 【DOWN】key for two seconds to enter into the
monitor mode, release it to exit.
1

·Torch
Press 【UP】key for two seconds to turn on the flashlight, press 【
DOWN】key to turn it off.
·Channel Lockout
Press both【UP】【DOWN】keys to lock; Operate them again to unlock.
·Scanning
It is convenient for the user to search for calls from other channels.
When defined the side key down button on the software with the scan
function, long press down button for 2 seconds, radio will active the scan
function.
Radio will start scanning from current channel. When radio scan the
signals from other channels, it will stay, if you don’t press PTT within 4
seconds, it will continue scanning.
Note: At least to add 2 channels with scan function, or you can not use
the scan function.
Carrier Scan: When the radio detects a signal it will stop scanning and
will stay on the same frequency and will resume scanning after 4 seconds
when the signal ends.
·Emergency Alarm
When“Side Key 2” in the software is programmed to the alarm
function,long press 【DOWN】key for two seconds to alarm; Press PTT
key to exit.
·High/Low Power
You can choose the High/Low power on the programming software.
·Chinese/English Voice Prompt
You can choose the Chinese/English voice by hand.
Switch to Channel 16, turn off the radio, then press 【UP】key and
meanwhile turn on the radio to switch between the Chinese and English.
2

· VOX
This function can be voice activated so the user doesn’t have to press the
PTT key. Switch to Channel 7, turn off the transceiver, then press the 【
UP】key and turn on the transceiver at the same time to switch between
the ON and OFF of the VOX function.
You can set the VOX level by its software, level from 1-9
· Busy Channel Lockout
The function can prevent interference from other transceivers using the
same channel.
· Battery Power Saving
If there is no signal or operation,the radio will reduce its power
consumption.The battery power-saving function activates when the
channel is unoccupied or has not been in operation.
· Low Battery Warning
If the battery power falls to the predetermined value during transmis-
sion,the transceiver will give out a voice prompt: please charge in time.
· Time Out Timer(TOT)
The purpose of the TOT is to prevent any single person from using a
channel for an extended period of time.An alarm will sound if the
transmission continues beyond the set time.The transceiver will stop
transmission if this occurs.To stop the alarm,release the PTT key and the
transceiver will return to standby.
·CTCSS/DCS
The transceiver has 50 CTCSS and 208 DCS, also non-standard
subaudio can be programmed!
·Special Signaling
Special Signaling refers to the CDCSS on the channels is special
processed codes.Only when the transceivers in the same company are
programmed the same frequency point with the same CDCSS and
meanwhile special signaling is programmed,then they can talk to each
other.
3

Technical Parameters
SPECIFICATIONS
TRANSMITTER
RECEIVER
Frequency Range
Supply Power
Memory Channel
Antenna Configuration
Work Mode
Ground Method
Dimension
Output Power
Modulation Mode
Max.Frequency Deviation
Sparious Radiation
Preemphasis Character
Emission Current
Sensitivity
Audio Power
Audio Distortion
Intermodulation
InterferenceResistance Receiving Current
Standby Current
462.5500-462.7250MHz
DC3.7V
16
Integrated antenna
Co/Differ-frequency
Simplex Communication
Cathode
109.8*57.5*32mm
≤2W
FM(F3E)
≤5KHz
≤7.5μW
Per Octave 6dB
≤1000mA
＜0.16μV（12dB SINAD）
≥300mW
＜5%
≥60dB
≤300mA
≤20mA
▲We May Change The Specifications For Technical Improvement
Without Prior Notice.
4

RF ENERGY EXPOSURE AND PRODUCT SAFETY GUIDE FOR
PORTABLE TWO-WAY RADIOS
Local Government Regulations
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.
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://ww-
w.who.int/en/
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
ATTENTION!
5

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
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, semiconduc-
tor, etc.) not authorized by the local government radio
management departments equipment authorization for this radio
could violate the rules.
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.
6

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.
•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
7

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
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.
—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.
8

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.
Le présent appareil est conforme aux CNR d’Industrie Canada
applicables aux appareils radio exempts de licence. L’exploitation
est autorisée aux deux conditions suivantes :
(1) l’appareil ne doit pas produire de brouillage;
(2) l’utilisateur de l’appareil doit accepter tout brouillage
radioélectrique subi, même si le brouillage est susceptible d’en
compromettre le fonctionnement.
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.
(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.
9

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.
•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 document-
ed 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
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noC/lanoitapuccO“ sa defiissalc
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/uncon-
trolled environment.
•General population/uncontrolled Radio, this radio is designed for
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10

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.
11

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
Avoid Choking Hazard
Turn off your radio power in the following conditions:
NOTE: Nearly every electronic device is susceptible to
electromagnetic interference (EMI) if inadequately shielded,
designed, or otherwise configured for electromagnetic
compatibility.
Small Parts. Not for children under 3 years.
•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
WARNING
12

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.
WARNING
•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.
Any use of a radio must be in accordance with
applicable regulations per airline crew
instructions.
13

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.
WARNING
Safety Operation
Forbid
•Do not use charger outdoors or in moist
environments, use only in dry locations/condi-
tions.
•Do not disassemble the charger, that may result
in risk of electrical shock or fire.
•Do not operate the charger if it has been broken
or damaged in any way.
WARNING
Avoid Burns
14

•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
WARNING
WARNING
Approced 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
15

Model Number:
Serial Number:
Purchasing Date:
Dealer: Telephone:
User’s Name: Telephone:
Country: Address:
Post Code: Email:
Guarantee
Remarks:
1.This guarantee card should be kept by the user, no replacement if lost.
2.Most new products carry a two-year manufacturer’s warranty from the
date of purchase. Further details, pls read
http://www.retevis.com/after-sale/
3.The user can get warranty and after-sales service as below:
• Contact the seller where you buy.
• Products Repaired by Our Local Repair Center
4.For warranty service, you will need to provide a receipt proof of
purchase from the actual seller for verification
Exclusions from Warranty Coverage:
1.To any product damaged by accident.
2.In the event of misuse or abuse of the product or as a result of
unauthorized alterations or repairs.
3.If the serial number has been altered, defaced, or removed.

Shenzhen Retevis Technology Co.,Ltd.
Add: 7/F, 13-C, Zhonghaixin Science&Technology
Park, No.12 Ganli 6th Road, Jihua Street,
Longgang District, Shenzhen, China
Web: www.retevis.com
E-mail: [email protected]
Facebook: facebook.com/retevis Made In China