USER'S MANUAL
Contents
1. Frequency offset direction for accessing repeaters Dual Watch Dual Reception functions activated Function VOX enabled Reverse function activated Wide Band selected Battery Level indicator Keypad lock function activated Low transmit power Operation frequency N ul Signal Strength Level 10 10 1750 Hz TONE FOR ACCESS TO REPEATERS The user needs to establish long distance communications through an amateur radio repeater which is activated after receiving a 1750 Hz tone Press and hold on the PTT then press the BAND button to transmit a 1750Hz tone 11 BASIC OPERATION 11 1 RADIO ON OFF VOLUME CONTROL Make sure the antenna and battery are installed correctly and the battery charged Rotate the knob clockwise to turn the radio on and rotate the knob fully counter clockwise until a click is heard to turn the radio off Turn the knob clockwise to increase the volume or counter clockwise to decrease the volume 11 2 SELECTING A FREQUENCY OR CHANNEL Press the key A or A to select the desired frequency channel you want The display shows the frequency channel selected Press and hold down the key A or A for frequency up or down fast Note You can not select a channel if not previously stored 12 ADVANCED OPERATION You can program your transceiver operating in the setup menu to suit your needs or preferences 12 1 SET MENU D2. Do not hold the antenna with your hand or wrap the outside of it to avoid bad operation of the transceiver Never transmit without an antenna 5 2 INSTALLING THE BELT CLIP If necessary install the belt clip at the rear of the battery compartment cover as shown in the figure below Note Do not use any kind of glue to fix the screw on the belt clip The solvents Glue may damage the battery casing 5 3 MICRO HEADSET INSTALLATION OF EXTERNAL Plug the external micro headset connector into the jack of SP amp MIC of the transceiver as shown in the figure below 05 5 4 BATTERY INSTALLATION When attaching the battery make sure the battery is in parallel and in good contact with the aluminum chassis The battery bottom is about 1 to 2 centimeters below the bottom of the radio s body Align the battery with the guide rails on the aluminum chassis and slide it upwards until a click is heard The battery latch at the bottom locks the battery Turn off the radio before removing the battery Slide the battery latch at the bottom of the radio s body in the direction indicated by the arrow Slide down the battery for about 1 to 2 centimeters and then remove the battery from the radio s body 6 BATTERY CHARGING Use only the charger specified by the manufacturer The charger s LED indicates the charging progress CHARGING STATUS LED INDICATION Standby no l
3. signal strong enough to break through the noise squelch is present On a frequency where stations using different CTCSS or DCS codes may be active BCLO prevents you from disrupting their communications accidentally because your radio may be muted by its own tone decoder 12 14 SFT D DIRECTION OF FREQUENCY SHIFT The OFFSET is the difference or offset between the reception frequency and the frequency of transmission for access to amateur radio repeaters Set the OFFSET according to the OFFSET amateur radio repeater through which want to communicate 12 15 OFFSET FREQUENCY SHIFT When communicating via a repeater the direction of displacement of frequency should be timed to the displacement of the transmission frequency is higher or lower than the receiving frequency example If we want to make a communication through amateur radio repeater whose frequency input is 145 000 MHz and 145 600 MHz is output we select the OFFSET of the previous section in 0600 and the direction of travel SHIFT programmed to so the transceiver will always 145 600 MHz in frequency and when you press PTT to transmit transceiver the frequency will automatically move to 145 000 MHz 12 16 STE TAIL TONE ELIMATION This function is used to activate or deactivate the transmission end of the transceiver this final tone transmission only be used in communications between transceivers and not in communications through a repeater which must b
4. 25 10 12 5 25 kHz Function OFFSET frequency offset for repeater access Battery saving function SAVE Timer transmission TOT programmable Selecting the Scan Mode Function Busy Channel Lock BCLO Built in RX CTCSS DCS scan Built in LED flashlight Programmable by PC 03 Level Threshold Squelch adjustable from 0 to 9 Crossband reception Tone end of transmission Built in key lock 3 UNPACKING AND CHECKING EQUIPMENTS Carefully unpack the transceiver We recommend that you identify the items listed in the following before discarding the packing material If any items are missing or have been damaged during shipment please contact your dealers immediately Note Items included in the package may differ from those listed in the table above depending on the country of purchase For more information consult your dealer or vendor 4 OPTIONAL ACCESSORIES Note Consult the dealer or retailer for information about options available 04 5 INSTALLATION OF ACCESSORIES 5 1 INSTALLING THE ANTENNA Install the antenna as shown in the figure below and turn it clockwise until it stops Note When installing the antenna don t rotate it by its top holding it by its base and turn If you use an external antenna make sure the SWR is about 1 5 1 or less to avoid damage to the transceiver s final transistors
5. 8 CTCSS DCS 12 9 ANI 12 10 DTMFST DTMF TONE OF TRANSMITTING CODE 12 11 SC REV SCAN RESUME METHOD 12 12 PTT ID PTT OR RELEASE PTT TO TRANSMIT THE SIGNAL CODE 12 13 BCL BUSY CHANNEL LOCKOUT 12 14 SFT D DIRECTION OF FREQUENCY SHIFT 12 15 OFFSET FREQUENCY SHIFT 12 16 STE STE TAIL TONE ELIMATION 13 CTCSS TABLE 14 DCS TABLE 15 TECHNICAL SPECIFICATION 15 1 GENERAL 15 2 TRANSMITTER 15 3 RECEIVER 16 TROUBLESHOOTING 17 WARRANTY 02 03 03 04 04 05 05 05 05 06 07 07 07 08 08 08 10 11 11 11 11 11 13 13 13 13 13 14 14 14 14 15 15 15 15 15 15 16 16 17 17 19 1 SAFETY INFORMATION The following safety precautions shall always be observed during operation service and repair of this equipment This equipment shall be serviced by qualified technicians only Do not modify the radio for any reason e Use only BAOFENG supplied or approved batteries and chargers Do not use any portable radio that has a damaged antenna If a damaged antenna comes into contact with your skin a minor burn can result Turn off your radio prior to entering any area with explosive and flammable materials Do not charge your battery in a location with explosive and flammable materials To avoid electromagnetic interference and or compatibility conflicts turn off your radio in any area where
6. AND button to switch the band of FM radio band 65 75MHz 76 108MHz gt SCAN KEY Press the SCAN key to activate the Reverse function it will exchange a separate reception and transmission frequency Press the SCAN key for 2 seconds to start scanning frequency channel While FM radio being activated press the SCAN key to search FM radio station While setting the RX CTCSS DCS press the key XSCAN to scan the RX CTCSS DCS gt r KEY Under channel mode press r key to switch High Low transmit power Press i r 9 key for 2 seconds to lock unlock the keypad gt FUNCTION KEYPAD MENU key To enter the menu of the radio and confirm the setting a a key Press and hold A or A key for frequency up or down fast Press A or A key the scanning will be opposite EXIT key To cancel clear or exit gt NUMERIC KEYPAD Used to enter information for programming the radio s lists and the non standard CTCSS G3 Under transmission mode press the numeric key to send the signal code the code should be set by PC software 09 gt ACCESSORY JACK The jack is used to connect audio accessories or other accessories such as programming cable 9 LCD DISPLAY The display icons appear when certain operations or specific features are activated 2 mm nin imum mam 2D A k De mmm Operating channel Operating frequency CTCSS activated DCS activated
7. ARTS CONTROLS AND KEYS 8 1 RADIO OVERVIEW 1 5 4 2 lap 7 3 8 2 9 mic 6 15 c 5 12 2 2 i 14 1 antenna 10 strap buckle 2 flashlight 1l accessory jack 3 knob ON OFF volume 12 A B key frequency display switches 4 LCD 13 BAND key band switches 5 SK side key1 CALL radio alarm 14 keypad 6 SK side key2 MONI flashlight monitor 15 SP amp MIC 7 PTT key push to talk 16 battery pack 8 VFO MR frequency mode channel mode 17 battery contacts 9 LED indicator 18 battery remove button 08 8 2 COMMAND KEY DEFINITION gt PTT PUSH TO TALK Press and hold down the PTT button to transmit release it to receive gt SK SIDE KEY1 CALL Press the CALL button to activate the FM Radio Press it again to deactivate the FM Radio Press and hold on the CALL button to activate the alarm function Press and hold it again to deactivate the alarm function gt SK SIDE KEY2 MONI Press the MONI button to turn on the flashlight Press it again to turn off Press and hold on the MONI button to monitor the signal gt VFO MR BUTTON Press the VFO MR button to switch the frequency mode and channel mode gt A B BUTTON Press the A B button to switch frequency display gt BAND BUTTON Press the BAND button to switch band dispaly While FM radio being activated press the B
8. ESCRIPTION Function Description SQL Squelch level 0 9 STEP Frequency step 2 5 5 6 25 10 12 5 25kHz TXP Transmit power HIGH LOW SAVE Battery save 1 1 1 2 1 3 1 4 OFF 1 2 3 4 VOX Voice operated transmission OFF 0 10 W N Wideband narrowband WIDE NARR ABR Display illumination OFF 1 2 3 4 5s TDR Dual watch dual reception OFF ON Available settings 11 BEEP Keypad beep OFF ON TOT Transmission timer 15 30 45 60 585 600seconds R DCS Reception digital coded squelch OFF D023N D7541 R CTS Reception Continuous Tone Coded Squelch 67 0Hz 254 1Hz T DCS Transmission digital coded squelch OFF D023N D7541 T CTS Transmission Continuous Tone Coded Squelch 67 0Hz 254 1Hz VOICE Voice prompt OFF ON ANI Automatic number identification of the radio only can be set by PC software DTMFST The DTMF tone of transmitting code OFF DT ST ANI ST DT ANI S CODE Signal code only could be set by PC software 1 15 groups SC REV Scan resume method TO CO SE PTT ID press or release the PTT button to transmit the signal code OFF BOT EOT BOTH PTT LT delay the signal code sending 0 30ms MDF A under channel mode A channel displays Note name display only can be set by PC software FREQ CH NAME MDF B under channel mode B channel displays Note name display only can be set by PC softwar
9. ETER wv PARAMETER PARAMETER 4 Note Under channel mode the following menu settings are invalid CTCSS DCS W N PTT ID BCL SCAN ADD TO S CODE CHANNEL NAME Only the H L power could be changed 12 3 SQL SQUELCH The squelch mute the speaker of the transceiver in the absence of reception With the squelch level correctly set you will hear sound only while actually receiving signals and significantly reduces battery current consumption It is recommended that you set Level 5 12 4 FUNCTION VOX VOICE OPERATED TRANSMISSION This function is not necessary to push the PTT on the transceiver for a transmission Transmission is activated automatically by detecting the radio voice When finish speaking the transmission automatically terminated and the transceiver will automatically receive signal Be sure to adjust the VOX Gain level to an appropriate sensitivity to allow smooth transmission 12 5 SELECT WIDEBAND OR NARROW BAND W N In areas where the RF signals are saturated you must use the narrow band of transmission to avoid interference in adjacent channels 12 6 TDR DUAL WATCH DUAL RECEPTION This feature allows you to operate between frequency A and frequency B Periodically the transceiver checks whether a signal is received on another frequency that we have scheduled If you receive a signal the unit will remain in the frequency until the received signal disappears 13 12 7 TOT TRA
10. N 58 D343N 79 D466N 100 D723N 17 D114N 38 D226N 59 D346N 80 D503N 101 D731N 18 D115N 39 D243N 60 D351N 81 D506N 102 D732N 19 D116N 40 D244N 61 D356N 82 D516N 103 D734N 20 D122N 41 D245N 62 D364N 83 D523N 104 D743N 21 D125N 42 D246N 63 D365N 84 D526N 105 D754N 16 15 TECHNICAL SPECIFICATION 15 1 GENERAL Frequency range Memory channels Frequency stability Frequency step Antenna impedance Operating temperature Supply voltage Consumption in standby Consumption in reception Consumption in transmission Mode of operation Duty cycle Dimensions Weight 15 2 TRANSMITTER RF power Type of modulation Emission class Maximum deviation Spurious emissions 15 3 RECEIVER Receiver sensitivity Intermodulation Audio output Adjacent channel selectivity Note 65MHz 108MHz Only commercial FM radio reception VHF 136MHz 174MHz Rx Tx UHF 400MHz 480MHz Rx Tx Up to 128 channels 2 5ppm 2 5kHz 5kHz 6 25kHz 10kHz 12 5kHz 25kHz 50Q 20 C to 60 C Rechargeable Lithium Ion mAh 7 4V 1800 lt 75mA 380mA lt 14A Simplex or semi duplex 03 03 54 min Rx Tx Standby 58mm x 110mm x 32mm 130 g approximate 4WAW FM 16K F3E 11K F3E W N lt x5 kHz 2 5 kHz WIN lt 60 dB 0 2 u V at 12 dB SINAD 60 dB 1000mW 65 60dB All specifications shown are subject to change without notice 17 16 TROUBLESHOOTING Problem Possible cause sol
11. NSMISSION TIMER This function can automatically control the time we transmit each time you press PTT on the transceiver This feature is very useful to avoid overheating excessive power transistors of the transceiver The transceiver will be off transmission automatically once the set time 12 8 CTCSS DCS In some cases only want to establish communications in a closed user group at a particular frequency or channel for it will use CTCSS or code DCS for reception The squelch opens only when receiving a frequency with CTCSS or codes DCS same as the programmed in your transceiver If codes of the received signal differs from those programmed in your transceiver the squelch will not open and the received signal can be heard Note The use of CTCSS or DCS in a communication does not guarantee complete confidentiality communication 12 9 ANI ANI Automatic Number Identification is also known as PTT ID because an ID is transmitted when the PTT button of the radio is pressed and or released This ID tells the dispatcher which field radio was keyed Only could be set by PC software 12 10 DTMFST DTMF TONE OF TRANSMITTING CODE First you should set the PTT ID as BOT EOT BOTH OFF Under transmitting mode you can t hear the DTMF tone while you press the key to transmit the code or code automatically transmitted DT ST Under transmitting mode you can hear the DTMF tone while you press the key to tra
12. VHF UHF FM TRANSCEIVER PREFACE Thank you for purchasing our Amateur Portable Radio which is a dual band dual display radio This easy to use radio will deliver you secure instant and reliable communications at peak efficiency Please read this manual carefully before use The information presented herein will help you to derive maximum performance from your radio CONTENT 1 SAFETY INFORMATION 2 FEATURES AND FUNCTIONS 3 UNPACKING AND CHECKING EQUIPMENTS 4 OPTIONAL ACCESSORIES 5 INSTALLATION OF ACCESSORIES 5 1 INSTALLING THE ANTENNA 5 2 INSTALLING THE BELT CLIP 5 3 MICRO HEADSET INSTALLATION OF EXTERNAL 5 4 BATTERY INSTALLATION 6 BATTERY CHARGING 7 BATTERY INFORMATION 7 1 INITIAL USE 7 2 BATTERY TIPS 7 3 PROLONG BATTERY LIFE 7 4 BATTERY STORAGE 8 PARTS CONTROLS AND KEYS 8 1 RADIO OVERVIEW 8 2 COMMAND KEY DEFINITION 9 LCD DISPLAY 10 1750 Hz TONE FOR ACCESS TO REPEATERS 11 BASIC OPERATION 11 1 RADIO ON OFF VOLUME CONTROL 11 2 SELECTING A FREQUENCY OR CHANNEL 12 ADVANCED OPERATION 12 1 SET MENU DESCRIPTION 12 2 SHORTCUT MENU OPERATION 12 3 SQL SQUELCH 12 4 FUNCTION VOX VOICE OPERATED TRANSMISSION 12 5 SELECT WIDEBAND OR NARROW BAND W N 12 6 TDR DUAL WATCH DUAL RECEPTION 12 7 TOT TRANSMISSION TIMER 12
13. e FREQ CH NAME BCL busy channel lockout OFF ON AUTOLK keypad locked automatically OFF ON SFT D direction of frequency shift OFF OFFSET frequency shift 00 000 69 990 MEMcCH stored in memory channels 000 127 DELCH delete the memory channels 000 127 WT LED illumination display color of standby RX LED illumination display color of reception OFF BLUE ORANGE PURPLE OFF BLUE ORANGE PURPLE TX LED illumination display color of transmitting OFF BLUE ORANGE PURPLE AL MOD alarm mode SITE TONE CODE BAND band selection VHF UHF TX AB transmitting selection while in dual watch reception OFF A B 12 STE Tail Tone Elimination OFF ON RP_STE Tail tone elimination in communication through repeater OFF 1 2 3 10 RPT RL Delay the tail tone of repeater OFF 1 2 3 10 FULL MGS ON OFF VFO ALL PONMGS Boot display ROGER tone end of transmission RESET Restore to default setting 12 2 SHORTCUT MENU OPERATION 1 Press the key MENU then press the key A or to select the desired menu 2 Press the key MENU again come to the parameter setting 3 Press the key A or to select the desired parameter 4 Press the key MENU to confirm and save press the key EXIT to cancel setting or clear the input m MENU 9 m MENU mb MENU mb MENU PARAMETER wv PARAM
14. e deactivated 13 CTCSS TABLE N Tone Hz N Tone Hz N Tone Hz N Tone Hz N Tone Hz 1 67 0 11 94 8 21 131 8 31 171 3 41 203 5 2 69 3 12 97 4 22 136 5 32 173 8 42 206 5 3 71 9 13 100 0 23 141 3 33 177 3 43 210 7 4 74 4 14 103 5 24 146 2 34 179 9 44 218 1 5 77 0 15 107 2 25 151 4 35 183 5 45 225 7 6 79 7 16 110 9 26 156 7 36 186 2 46 229 1 7 82 5 17 114 8 27 159 8 37 189 9 47 233 6 8 85 4 18 118 8 28 162 2 38 192 8 48 241 8 9 88 5 19 123 0 29 165 5 39 196 6 49 250 3 10 91 5 20 127 3 30 167 9 40 199 5 50 254 1 15 14 DCS TABLE N Code N Code N Code N Code N Code 1 D023N 22 D131N 43 D251N 64 D371N 85 D532N 2 D025N 23 D132N 44 D252N 65 D411N 86 D546N 3 D026N 24 D134N 45 D255N 66 D412N 87 D565N 4 D031N 25 D143N 46 D261N 67 D413N 88 D606N 5 D032N 26 D145N 47 D263N 68 D423N 89 D612N 6 D036N 27 D152N 48 D265N 69 D431N 90 D624N 7 D043N 28 D155N 49 D266N 70 D432N 91 D627N 8 D047N 29 D156N 50 D271N 71 D445N 92 D631N 9 DO51N 30 D162N 51 D274N 72 D446N 93 D632N 10 D053N 31 D165N 52 D306N 73 D452N 94 D645N 1 D054N 32 D172N 53 D311N 74 D454N 95 D654N 12 D065N 33 D174N 54 D315N 75 D455N 96 D662N 13 D071N 34 D205N 55 D325N 76 D462N 97 D664N 14 D072N 35 D212N 56 D331N TI D464N 98 D703N 15 D073N 36 D223N 57 D332N 78 D465N 99 D712N 16 D074N 37 D225
15. gnal propagation such as inside a tunnel inside an underground car park in a mountainous area including large metal structures etc dealer or service center Once these checks if you still have problems with the transceiver check with your distributor 18 17 WARRANTY Better buy the radios from local dealer WARRANTY CERTIFICATE Brand Model no Serial no Name of purchaser Address City Zip code Province State Tel no Date of purchase WARNING Warranty is valid provided it is complete and properly filled in legibly and clearly present the seal and name of the dealer and have attached the bill proof of purchase of equipment The device described in this Certificate is guaranteed for a period of one year from the date of sale to the final user This Warranty Certificate is unique and not transferable and may not be reissued for new or original or copy Substitution of product failure or any part thereof shall not involve extension of the guarantee The warranty covers the replacement and free replacement of all parts that are defective in materials and components used in manufacturing and or assembly of the apparatus The warranty does not cover any faults caused by accident improper installation and use electric shock eg storms connect a power other than that specified reverse polarity in the diet or claims due to deterioration in the external appeara
16. nce of normal use nor the amount or condition of the accessories Checking the accessories is the responsibility of the purchaser at the time of purchasing the device The warranty does not cover rechargeable batteries even if they are part of the equipment purchased as they are considered consumables the impairment must be reported within a period of fifteen days from the date of purchase The warranty is void on the following assumptions 1 Devices that have been manipulated by another or by anyone other than authorized service provider 2 Equipment and accessories in which the serial number has been altered deleted or filed unreadable 3 Use of the product than as intended To make use of the guarantee is necessary to give the dealer or any of the Authorised Service the defective device with its accessories and the following documentation 1 Warranty Certificate duly completed and sealed 2 Original invoice which clearly identifies the device and the date of purchase 3 Description of the faults The warranty terms contained in this Certificate of Guarantee do not exclude modify or restrict the statutory rights of the buyer by virtue of the laws in force at the time of purchase but are added to them 19
17. nsmit the code ANI ST under transmitting mode you can hear the DTMF tone while the code automatically transmitted DT ANI under transmitting mode you can hear the DTMF tone while you press the key to transmit the code or the code automatically transmitted 12 11 SC REV SCAN RESUME METHOD This transceiver allows you to scan memory channels all the bands or part of the bands When the transceiver detects a communication the scan will stop automatically Notes TO Time Operation Scanning will stop when it detects an active signal The scanning will stop on each channel or active frequency for a predetermined time after that time the scan will resume automatically CO Carrier Operation The scanning will stop and remain in the frequency or channel until the active signal disappears SE Search Operation The scanning will stop and remain in the frequency or channel after it detects an active signal 14 12 12 PTT ID PTT OR RELEASE PTT TO TRANSMIT THE SIGNAL CODE This feature allows you to know who call you OFF Don t transmit the code while push the PTT button BOT Transmit the code while push the PTT button the code only could be set by PC software EOT Transmit the code while release the PTT button BOTH Transmit the code while push or release the PTT button 12 13 BCL BUSY CHANNEL LOCKOUT The BCLO feature prevents the radio s transmitter from being activated if a
18. oad Red LED flashes while Green LED glows Charging Red LED solidly glows Fully Charged Green LED solidly glows Error Red LED flashes while Green LED glows 06 Please follow these steps Plug the power cord into the adapter Plug the AC connector of the adapter into the AC outlet socket Plug the DC connector of the adapter into the DC socket on the back of the charger Place the radio with the battery attached or the battery alone in the charger Make sure the battery is in good contact with the charging terminals The charging process initiates when the red LED lights 6 The green LED lights about 4 hours later indicating the battery is fully charged Then remove the radio with the battery attached or the battery alone from the charger Un d C 7 BATTERY INFORMATION 7 1 INITIAL USE New batteries are shipped uncharged fully from the factory Charge a new battery for 5 hours before initial use The maximum battery capacity and performance is achieved after three full charge discharge cycles If you notice the battery power runs low please recharge the battery WARNING To reduce the risk of injury charge only the battery specified by the manufacturer Other batteries may burst causing bodily injury and property damage To avoid risk of personal injury do not dispose of batteries in a fire Dispose of batteries according to local regulations e g recycling Do not dispose as household
19. posted notices instruct you to do so Turn off your radio before boarding an aircraft Any use of a radio must be in accordance with airline regulations or crew instructions Turn off your radio before entering a blasting area For vehicles with an air bag do not place a radio in the area over an air bag or in the air bag deployment area Do not expose the radio to direct sunlight over a long time nor place it close to heating source When transmitting with a portable radio hold the radio in a vertical position with the microphone 3 to 4 centimeters away from your lips Keep antenna at least 2 5 centimeters away from your body when transmitting WARNING If you wear a radio on your body ensure the radio and its antenna are at least 2 5 centimeters away from your body when transmitting 2 FEATURES AND FUNCTIONS Dual band handheld transceiver with display function menu on the display LCD DTMF encoded Lithium ion battery with high capacity Commercial FM radio receiver 65 MHz 108 MHz Incorporates 105 codes DCS and 50 privacy codes CTCSS programmable Function VOX voice operated transmission Alarm function Up to 128 memory channels Broadband Wide Narrowband Narrow selectable High power low 5 W 1 W selectable Display illumination and programmable keyboard Function beep on the keyboard Dual Watch dual reception Selectable Frequency Step 2 5 5 6
20. ution The radio does not start The battery is low replace the battery with a charged battery or proceed to the battery The battery is not installed correctly remove the battery and reattach it The battery runs down quickly The receiving indicator LED lights but do not hear the speaker The battery life has come to an end replace the battery with a new one The battery is fully charged make sure the battery is made in full Make sure the volume setting is too low Make sure the undertones CTCSS or code DCS are the same as those programmed in the transceiver of the other members of your group When transmitting the other members of his group do not receive the communication Make sure the undertones CTCSS or code DCS programmed in your transceiver are the same as those programmed in the transceiver of the other members of your group Your partner or you are too far You or your partner are in a bad area of RF signal propagation In standby mode the transceiver transmits without pressing the PTT Check the level adjustment function VOX is not set too sensitive Receive communications from other user groups while communicating with your group Change frequency or channel Change the undertones CTCSS or code DCS in your group Communication with other members of your group is poor or low quality You or your partner is too far away or in an area of poor radio si
21. waste Never attempt to disassemble the battery 7 2 BATTERY TIPS 1 When charging your battery keep it at a temperature among 5 C 40 C Temperature out of the limit may cause battery leakage or damage 2 When charging a battery attached to a radio turn the radio off to ensure a full charge 3 Do not cut off the power supply or remove the battery when charging a battery 4 Never charge a battery that is wet Please dry it with a soft cloth prior to charge 5 The battery will eventually wear out When the operating time talk time and standby time is noticeably shorter than normal performance it is time to buy a new battery 7 3 PROLONG BATTERY LIFE 1 Battery performance will be greatly decreased at a temperature below 0 C A spare battery is necessary in cold weather The cold battery unable to work in this situation may work under room temperature so keep it for later use 07 2 The dust on the battery contact may cause the battery cannot work or charge Please use a clean dry cloth to wipe it before attaching the battery to the radio 7 4 BATTERY STORAGE 1 Fully charge a battery before you store it for a long time to avoid battery damage due to over discharge 2 Recharge a battery after several months storage Li Ion batteries 6 months to avoid battery capacity reduction due to over discharge 3 Store your battery in a cool and dry place under room temperature to reduce self discharge 8 P
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