1.Check the power LED whether light. Is not light, indicating a power problem, check
the power cable or replace the battery.
2.Check the audio cable is connected correctly. With the manual installation of the audio
cable connection.
3.Check speakers / headphones are working properly. Please replace speakers or
headphones.
4.Check audio input. If the microphone input, check the microphone is working properly;
if other audio input, make sure that the device is working correctly.
5.Check that the antenna is properly installed. installed correctly, and tighten.
6.Check whether the audio and volume control device is in the smallest state. If so,
please adjust the volume to a moderate position.
7.Inspect equipment whether it has RF switch, if yes, please put the RF switch on.
8.Check the status lights to see in what state. Long light shows the receiver did not
receive the signal. This case, please adjust the receiver’s channel, so that the receiver
and transmitter used in the same channel. when the two channels are same, the lights
go out, work properly. If the channel is the same, but the receiver is not receiving the
transmitter signal, hold down the control key of channel that for 20 seconds, the device
settings to their original settings, and then re-pairing frequency.
1.Battery upside down. Align the battery contacts to the host cell and installation.
2.Charging power cable loose. make sure the power cable is good.
3.Not equipped with the device adapter and cable for charging.please use the charging
device.
4.Battery aging, replace the battery.
1.Audio cable errors or loose. Connected with the manual and tighten.
2.The source input sound excessive. Please adjust the input audio volume.
3.Antenna not installed or bad. Install and tighten.
4.Battery not enough. Please recharge or replace batteries.
5.MIC switch and audio switch conversion errors, which can press the plus or minus key
to change it.
Discharge Fault
No sound troubleshooting
The reasons of not charge or charge not fully and solution
The reasons of sound Distorted and solution
Electrical Specification
Frequency Response.........................................................................20Hz-20KHz
Frequency Range....................................................................2400MHz-2483MHz
THD...................................................................................................0.3%@1kHz
S/N Ratio......................................................................................................95dB
Latency....................................................................................................＜0.5ms
Operation Temperature.........................................................................-25℃-85℃
Work Voltage........................................................................................DC 3.6-6V
TX Power................................................0-18dBm Select (decided when ordering)
WARNING
EU Importer：
Name：Germany Retevis Technology GmbH
Address：Uetzenacker 29,38176 wendeburg
RF ENERGY EXPOSURE AND PRODUCT SAFETY GUIDE
ATTENTION!
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 radio uses electromagnetic energy in the radio frequency (RF) spectrum to provide comm-
unications between two or more users over a distance. RF energy, which when used improperly,
can cause biological damage.
All Retekess 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 the 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 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 req-
uirements. Exposure awareness can be facilitated by the use of a product label directing users
to specific user awareness information. Your Retekess radio has a RF Exposure Product Label.
Also, your Retekess user manual, or separate safety booklet includes information and operating
instructions required to control your RF exposure and to satisfy compliance requirements
Radio License (if appropriate)
Governments keep the radios in classification, business 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 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
FCC Requirements:
•This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause
undesired operation.
•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 communica-
tions. 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.
-- 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) Henan Eshow Electronic Commerce 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.retekess.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.
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.
•The device complies with RF specifications when the device used at 5mm from your body.
Third-party belt-clips, holsters, and similar accessories used by this device should not contain
any metallic components. Body-worn accessories that do not meet these requirements may
not comply with RF exposure requirements and should be avoided.
•DO NOT operate the transmitter in areas that are sensitive to electromagnetic radiation such
as hospitals, aircraft, and blasting sites.
Avoid Choking Hazard
Small Parts. Not for children under 3 years.
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.
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.
•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 Retekess for assistance regarding repairs and service.
•The adapter shall be installed near the equipment and shall be easily accessible
•Risk of explosion if battery is replaced by an incorrect type. Dispose of used
batteries according to the instructions.
•Adapter shall be installed near the equipment and shall be easily accessible.
•The plug considered as disconnect device of adapter.
•The operating temperature of the EUT can’t exceed the specified range.
Approved Accessories
•This radio meets the RF exposure guidelines when used with the Retekess
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 Retekess-approved accessories for your radio model, visit the
following website: http://www.Retekess.com
WARNING
WARNING
WARNING
