Retevis RA25 User manual

RA25
Instruction Manual
(EN)
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
Shenzhen Retevis Technology Co.,Ltd.
779UV
V/ M
FU N
MAIN
MO N
VO L
2
1
3
4
789
ABCD
560
SQL
TO N E
S C A N
BLK RE V
TOT
FUN
V/M
MAIN
DI
L
S U B RPTLA M
P O W
SKI
PMON
PPT
MIC
Instruction Manual
RA25

1.FUNCTIONS & FEATURES
Retevis RA25 Mobile Radio has nice housing, stoutness & stability, advanced and reliable
functions, perfect & valuable. This amateur mobile radio especially designs for drivers and it
pursues philosophy of innovation and practicality. More functions as follows:
●Adopt superior quality material, better technology and high quality radiator to ensure stable and
durable operation.
● 1.44 Inch TFT display.
● Amateur mode and professional mode for different operation requirement.
● 30 programmable memory channels, identified by editing name.
● CTCSS, DCS, DTMF, 2Tone, 5Tone setting for each single channel.
● 11 groups fixed scrambler code plus self define scrambler code.
● LCD brightness control.
● Main unit and microphone key lock function.
● Compander function.
●Tone Pulse frequency.
2.ACCESSORIES
V/ M
VO L
FU N
MAIN
MO N
MI C
MIC
PPT
2
1
3
4
789
ABCD
560
SQ L
TONE
SCAN
BLK REV
TOT
FUN
V/M
MAIN
DIL
SUB RPT LAM
PO W
SKIP MO N
Transceiver
Screws
Microphone
Pads
Mobile Bracket
non-slip mat Fuse(10A 250V)
Adjusting screws
manual
2.1 Standard Accessories Car Antenna
External Speaker
PC cable
2.2 Optional Accessories
3. GETTING ACQUAINTED
3.1 Front panel
V/ M
VO L
FUN
MAIN
MO N
MI C
VFO/Channel mode switch
Main channel
LCD Up
Down Indicator
Power on, volume switch
Menu
Monitor
Programming port/ microphone jack
3.2 Rear panel
Antenna jack External speaker jack
12
RA25
RA25

3.3 Microphone
Up /Down key
Indicator
Number key
PTT
MAC
MI C
PPT
2
1
3
4
789
ABCD
560
SQ L
TONE
SCAN
BL K REV
TO T
FUN
V/ M
MAIN
DIL
SUB RP T LA M
PO W
SKI P MO N
4.BASIC OPERATIONS
4.1 Switching the Power On/Off
1. Turn the Volume knob clockwise to turn on the radio, the radio LCD will display programmed text
and emit a beep sound .
2. Power Off: Turn volume knob anti-clockwise until hear "click" to turn off the radio.
4.2 Adjusting the Volume
Turn volume knob clockwise to increase colume and anti-clockwise to reduce it.
4.3 Switch between Main Channel and Sub Channel
In standby states, press the microphpne key or front panel key to switch between main
channel and sub channel. The top left corner of LCD will display current
main channel .
4.4 Adjust Channel
1. Press microphone key or front panel key to switch the radio to channel mode,press
microphone 【UP】/【DN】key or front panel /key to choose channel .
2. In channel mode, input three numbers by number key to fast choose a channel.
4.5 Adjusting Frequency
1. By number key: In VFO mode, you can input wanted frequency by the microphone number key.
For example if want 145.125Mhz, just press key 1, 4, 5, 1, 2, 5, if want 145Mhz, just press 1, 4, 5.
The input is invalid if the frequency is over range.
2. By step size: In VFO mode, press microphone 【U P 】/ 【D N 】or front panel /
key can change frequency by step size.
Step size can be programmed by software from 2.5K to 50K.
4.6 Store channel
In standby states, press the microphpne key , the top left corner will display Func ,then press
【UP】KEY , the LCD bottom left corner will display Save to XXX,
now press【U P 】/ 【D N 】key to choose a channel number, hold key to store the new
frequency and return to standby.
XXX stands for the channel number, if LCD displays “Null” under “Save TO XXX”, means
current channel is empty.
4.7 Channel Delete
1.In channel mode, press microphone key, then press 【DN】key, the LCD displays “Delete
XXX” and frequency, presss 【U P 】/ 【D N 】key to choose the channel to delete,Hold 【#
LAM】key delelte to current channel.
» “XXX” stands for the channel number, the LCD displays “Null” after chennel deleted
4.8 Receiving
Choose a receiving channel or frequency for receiving call, if the RX signal is week, hold front panel
key or microphone key to monitor weak signal.
»When the RX icon and field strength flashes, but can not hear the calling, it means current
channel receive a matching carrier but unmatching signaling. Refer toCTCSS/ DCS CODE or
Optional Signaling setup in Page 6).
4.10 Transmitting
Hold [PTT] and speak into microphone. the radio start transmit, the screen shows red TX and field
strength. Hold the microphone approximately 2.5-5.0cm from your lips and speak to microphone in
your normal speaking voice to get best timbre.
4.11 Emergency Alarm
In standby, hold key, release it until the LCD displays ALARM, the alarm function turns on.
Program emergency alarm rule shall be programmed by PC software.
4.12 Keypad Lockout
In standby, hold key or key , the radio emit Du sound, the LCD displays LOCK.Now release
the key , the keypad is locked. To turn of key lock, hold key or key untilthe radio emit Du Du, the
LOCK icon disappear. now release the key.
4.13 Transmit Tone Pulse Frequency
Hold PTT and [DN] key will transmit selected Pre-programmed tone pulse frequency.
4.14 VFO Scan and Channel Scan
1. VFO scan: In VFO mode, press microphone key or key to start VFO scan . if the radio has
programm PL1, PH1, ,PL2, PH2, PH2 frequency( in the buttom of channel list), VFO scan will
between PL1-PL2 and PL2-PH2.
2. Channel Scan: In channel mode press microphone key and then press key to start
channel scan. Channel scan setting shall be programmed by PC software.
5. SHORTCUT OPERATION
Press microphone key and then press number key TO fast enter following functions, then press
【U P 】/ 【D N 】key to choose value. Presss 【PTT】key or key to Store.
4
3
4.9 Squelch Off
In standby, press microphone key or front panel key to turn off squelch, the
radio will monitor weak signal.
4.15 VOX On/Off Control
In standby, hold key until LCD dispplays VOX icon, repeater this step or repower on
radio to turn off VOX function.
【V/M】
Note: Before turn on VOX, please set VOX level in 26th menu.
+
+
+
+
+
+
+
Combination Key
Function name
Squelch level setting
Optional signaling setting
Scan Skip
Scan
Busy channel lockout
Frequency reverse
Time out timer
NO
1
2
3
4
5
6
7
Function list

+
+
+
+
+
+
Sub channel on/off switch
Offset direction
Function Menu
Power setting
LCD brightless
DTMF Code check
8
9
10
11
12
13
Function list
» In DTMF check mode
When check DTMF code, press PTT will send current DTMF code.To revise DTMF code, press
key and then press key to enter edit mode. input DTMF code by number keys , then press PTT
to transmit the code and store
5.FUNCTION SETTING
5.1 By Front Panel Key
1. Press key to enter main menu.
2. Press key or key to choose function.
3. Press / key to choose value.
4. Press key or key to store and exit.
When setting DCS code, key is for switch between positive and inverse code.
5.2 By Microphone Key
1. Press key and then press key to enter menu.
2. Press key or key to choose function.
3. Press 【U P 】/ 【D N 】key to choose value.
4. Press key to store and exit
» When setting DCS code, key is for switch between Positive and inverse code. key is
for choose special DCS.
Function name
TX CTC/DCS
RX CTC/DCS
TX/RX CTC/DCS
Optional signaling
Squelch mode
Step size
Band width
Reverse
Talk around
Offset frequency
Busy channel Lock
Channel name
TX OFF
Scramber
Compander
NC(Noise reduction)
5Tone
2Tone
Sub channel display
Key beep
Time out timer
NO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Setting value
67Hz~254.1Hz、000N~777I
67Hz~254.1Hz、000N~777I
67Hz~254.1Hz、000N~777I
OFF、DTMF、2Tone、5Tone
SQ、CT/DCS、Tone、C&T、C/T
2.5K~50K
WIDE(25K)、NARROW(12.5K)
ON、OFF
ON、OFF
0~70MHz
OFF、REPEATER、BUSY
0~z
ON、OFF
1~11、edit、OFF
ON、OFF
ON、OFF
1~100,Press PTT to transmit
1~32, Press PTT to transmit
FREQ、VOLT、OFF
ON、OFF
1~30Min、OFF
5
Time out timer
DMTF transmit time
Squelch level
Scan pause time
LCD brightness
Tone burst frequency
Channel display
Reset
21
22
23
24
25
28
29
30
1~30Min、OFF
50ms~500ms
OFF、1~9
5ST、10ST、15ST、2SP
1~5
1750Hz、2100Hz、1000Hz、1450Hz
FREQ、CH、NAME
FACTORY? INITIALIZE?
OFF, 1-9
26
0.5-5 Second
27
VOX level
VOX delay
5.3 Reset Factory Default
If your radio seems to be malfunctioning because of wrong operation or setup, this function will
resume all setup and channels to factory default.
1.Press front panel key to enter main MENU list.
2.Press or key to chooe 27th function, the LCD display reset options.
3.Press / key to chooe“FACTORY？”。
4.Hold key, until the radio re-power on.
After reset, all channel and fucntion setting will resume default value.
If choose “INITIALIZE？”, only function setting value will resume to default setting.
6.SPECIFICAITONS
Frequency Range
Number of Channels
Channel Spacing
Phase-locked Step
Operating Voltage
Squelch
Frequency Stability
Operating Temperature
Dimensions(mm)
Weight
GMRS: TX: 462.5500-467.7250MHz
RX:462.5500-462.7250MHz
FM:86.7-108MHz
30 channels
25K (Wide Band) 12.5K (Narrow band)
2.5KHz,5KHz,6.25KHz,10KHz,12.5KHz,15KHz,20
KHz,25KHz,30KHz,50KHz
DC 13.8V±15% (Standard version)
DC 12V~28V (Optional version)
Carrier/CTCSS/DCS/5Tone/2Tone/DTMF
±2.5ppm
-20℃~+60℃
124x101x36m
0.45kg (mian unit)
Sensitivity (12dB Sinad)
Adjacent Channel Selectivity
Audio Response
Hum & Noise
Audio distortion
Audio power output
Wide band
≤0.25μV
≥70dB
+1~-3dB(0.3~3KHz)
≥45dB
<3%
>2W@10%
Narrow band≤0.25μV
≤0.35μV
≥60dB
+1~-3dB(0.3~2.55KHz)
≥40dB
Power Output
Modulation
TRANSMITTER
RECEIVER
GENERAL
Wide band
<=20W
16KΦF3E
Narrow band
11KΦF3E
6

Adjacent Channel Power
Hum & Noise
Spurious Emission
Audio Response
Audio Distortion
≥70dB
≥40dB
≥60dB
+1~-3dB(0.3~3KHz)
≤5%
≥60dB
≥36dB
≥60dB
+1~-3dB(0.3~2.55KHz)
POWER W/N
1462.5625 462.5625 5W 12.5KHz 67.0
2462.5875 462.5875 5W 12.5KHz 118.8
3462.6125 462.6125 5W 12.5KHz 127.3
4 462.6375 462.6375 5W 12.5KHz 131.8
5462.6625 462.6625 5W 12.5KHz 136.5
6462.6875 462.6875 5W 12.5KHz 141.3
7462.7125 462.7125 5W 12.5KHz 146.2
8
9
10
11
12
13
14
15 462.5500 462.5500 20W 12.5KHz 123
16 462.5750 462.575020W 12.5KHz D743I
17 462.6000 462.6000 20W 12.5KHz D332I
18 462.6250 462.625020W 12.5KHz 127.3
19 462.6500 462.6500 20W 12.5KHz D243I
20 462.6750 462.675020W 12.5KHz D606N
21 462.7000 462.7000 20W 12.5KHz D731I
22 462.7250 462.725020W 12.5KHz 136.5
23 467.5500 462.5500 20W 12.5KHz 136.5
24 467.5750 462.575020W 12.5KHz 136.5
25 467.6000 462.6000 20W 12.5KHz 136.5
26 467.6250 462.625020W 12.5KHz 136.5
27 467.6500 462.6500 20W 12.5KHz 136.5
28 467.6750 462.675020W 12.5KHz 136.5
29 467.7000 462.7000 20W 12.5KHz 136.5
30 467.7250 462.725020W 12.5KHz 136.5
CH. TX GMRS
Subaudio
RX
6. Factory default settings
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7
RF ENERGY EXPOSURE AND PRODUCT SAFETY GUIDE FOR PORTABLE WALKIE TALKIE
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 imprope-
rly, 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/
Local Government Regulations
When two-way radios are used as a consequence of employment, the Local Government Regulatio-
ns 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 instru-
ctions 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 adjust-
ments 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.
Warnings
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.
8

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 prote-
ction 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 communica-
tions. 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). Ope-
ration 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 ope-
ration 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 o 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 hos-
pitals, 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.
DeliboM•evice, during operation, the separation distance between user and the antenna subjects to
actual regulations, this separation distance will ensure that there is su cient distance from a properly
installed externally-mounted antenna to satisfy the RF exposure requirements.
•Occupational/Controlled Radio, this radio is designed for and classified Occupational/Controlled
umtignimaem,”ylnOesU st 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 and classified as “ General popula-
tion/uncontrolled Use”.
RF Exposure Compliance and Control Guidelines and Operating Instructions
To control your exposure and ensure compliance with the occupational/controlled environment expo-
sure 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 transmit-
ting in terms of measuring for standards compliance.
•Transmit only when people outside the vehicle are at least the recommended minimum lateral distan-
ce 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
-edanifi)IME(ecnerefretnicitengamortceleotelbitpecsussiecivedcinortceleyreveylraeN:ETON
quately 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:
910

•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. Any use of a radio must be in accordance
with applicable regulations per airline crew instructions.
• 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 unde-
tectable at first and can have a cumulative effect.
WARNING
Protect your hearing:
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.
WARNUNG
WARNUNG
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 complian-
ce 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
WARNING
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
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.
Toreduce 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
WARNUNG
• When the transceiver is used for long ransmissions, the radiator and chassis will become hot.
11 12

Model Number:
Serial Number:
Purchasing Date:
Dealer:
Telephone:
User’s Name:
Telephone:
Country:
Address:
Post Code:
Email:
Guarantee 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.
13 14