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Disclaimer :

The accuracy and completeness of the contents are sought in the 

process of compilation, but we do not bear any responsibility for the 

possible errors or omissions. With the continuous development of 

technology, we reserve the right to change the design and specification 

of the product without notice. No copy, modification, translation and 

dissemination of this handbook may be made in any form without the 

prior written authorization of our department.

The third party products and contents involved in this manual belong to 

the third party. Our company does not guarantee its accuracy, 

effectiveness, timeliness, legality or integrity. If you need more 

information or have any suggestions for this manual, welcome to our 

website: http://www.retevis.com.

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/

LocalGovernment Regulations

DIGITAL TWO WAY RADIO

DIGITAL TWO WAY RADIO

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 

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.

FCCRequirements:

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 typeis in compliance with 

the essential requirements and other relevant provisions of RED 

Directive 2014/53/EUand 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.

ICRequirements:

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.

•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 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 product as you 

would a wireless telephone. Speak directly into the microphone.

Electromagnetic Interference/Compatibility

NOTE: Nearly every electronic device is susceptible to electromagnetic 

interference (EMI) if inadequately shielded, designed, or otherwise 

configured for electromagnetic compatibility.

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Summary of Contents for RT53

Page 1: ...IGITAL TWO WAY RADIO MADE IN CHINA Address 7 F Zhonghaixin Science Technology Park No 12 Ganli 6th Road Jihua Street Longgang District Shenzhen China Web www retevis com E mail kam retevis com Facebook facebook com retevis ...

Page 2: ...s doubled and frequency resources are saved Digital and analog compatible Support DMR digital and analog two communication modes to ensure that the original analog products smooth transition to digital products to meet different communication needs Digital signaling function Rich calling modes that support DMR protocol including single call group call and all call supports remote inhibit function ...

Page 3: ...ply single call Receive all call Start a walkie talkie call Use the channel to place a call Initiate group call Use the one touch call button to initiate a group call or a single call DIGITAL TWO WAY RADIO DIGITAL TWO WAY RADIO Emergency alarm function Emergency alarm Alarm Type Alarm Mode Send emergency alert Receive emergency alert Send an emergency alert with voice follow Receive emergency aler...

Page 4: ...urn on or off the VOX function Quickly call key After pressing the button to call send the corresponding call message or other application functions Press this key to enter the digital contact list No 10 11 12 13 14 15 16 17 18 19 20 Shortcut name Contacts Zone increases Zone decrease Zone switching Individual Operation Monitor Battery power indication Scan on off Time to broadcast 1750Hz Signal N...

Page 5: ... In order to maximize the performance of the product and to ensure compliance with the radiation limits in the relevant occupational or controlled environment of the above criteria the sending time shall not Indicator display Red light Green light Current charge status In charging The charging is completed DIGITAL TWO WAY RADIO DIGITAL TWO WAY RADIO Security and overview Preparation before use Bat...

Page 6: ... Extend battery life Battery performance will reduce below 20 temperature conditions Prepare back up batteries for use in colder weather Please do not throw away cold batteries that cannot work These batteries may be used at room temperature Dusting the battery contacts may affect the battery life Please wipe the contacts with a clean dry cloth before inserting the batteries into the walkie talkie...

Page 7: ...rned off There will be no voice prompt Volume adjustment Turn on the power turn the Power Switch Volume Control knob clockwise to increase the volume of voice reception and turn counterclockwise to reduce the volume of voice reception Selecting Zone Zone is a channel group in which you can include channels with the same attributes such as call type digital mode and analog mode in a zone which make...

Page 8: ...l to a user group the transceiver must be configured to belong to the talk group 1 Rotate the channel knob to select the channel using the active talk group alias or ID 2 Hold the walkie talkie in its upright position and keep it at a distance of 1 to 2 inches 2 5 to 5 0 cm from the mouth 3 Press PTT key to the group call The LED indicator light is red 4 Release the PTT key to answer When the targ...

Page 9: ...isure and waiting for your reply Press PTT key to reply If there is no voice activity for the scheduled time period the call is terminated Analog channel call On the analog channel hold down the PTT key and speak into the microphone to transmit Please release PTT key to receive Start a call In the analog mode the upper and lower line codes of DTMF can be configured by programming software and the ...

Page 10: ...ithout pressing the PTT key This activated microphone status is called Emergency Microphone During the duration of emergency microphone Except for the pre programmed Emergency mode off key to cancel the alarm Pressing any other key will remain in emergency mode Until the emergency microphone duration is over 1 Press the pre programmed Emergency mode on button The LED indicator light is red 2 After...

Page 11: ...the transceiver is in emergency mode and changes channel it will exit emergency mode If an emergency alert is activated on the new channel the transceiver resumes the emergency call Press the preprogrammed alarm on key in the emergency call start transmit state This way the walkie talkie will exit the status and restart the emergency call Exit emergency mode The transceiver exits emergency mode wh...

Page 12: ...e microphone detects that the voice reaches the level to trigger the voice activated transmission the walkie talkie automatically transmits the voice The Busy Channel Lockout is prevent interference with other users that are transmitting on the same channel The TOT is over the time of a single transmits the default is 60 seconds the walkie talkie will automatically terminate the transmits and issu...

Page 13: ...e channel Get close with each other Setting the same frequency channel color code time slot Change to new frequency or correct the squelch Set the signal for all radio in the group Get close with other members Move to open environment restart the radio Avoid the device interfering the radio Reason The battery doesn t be installed correctly The battery runs out The battery is poor contact causing b...

Page 14: ...e continuous development of technology we reserve the right to change the design and specification of the product without notice No copy modification translation and dissemination of this handbook may be made in any form without the prior written authorization of our department The third party products and contents involved in this manual belong to the third party Our company does not guarantee it...

Page 15: ... for this radio could violate the rules FCCRequirements 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 in...

Page 16: ...r 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 ...

Page 17: ...our 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 radiowhile 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 p...

Page 18: ... 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 Approved Accessories 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 Do not operate the charger if ...

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