Midland Atlantic XT Multi manual
Contents
1. ne sdeccadascivasiaceeszcieedaasnesstacnesuadice 1 21 4 MHz 2 450 KHz Vejet M AAA 60dB Residual noise attenuations cis iciccasessasascesccesseascscesaisenncceniecascteasateaeccaicesdasensai ieascaeccsaisevsecisstee 43dB Socket for external microphone and 2 5 mm stereo jack Socket for external EAEAN 2 5mm mono jack Specifications are subject to modification without forewarning 14 INTERNATIONAL CHANNEL INT Channel Ship Station Channel Ship Station Tx Frequency Rx Frequency Tx Frequency Rx Frequency 01 156 050 MHz 160 650 MHz 60 156 025 MHz 160 625 MHz 02 156 100 MHz 160 700 MHz 61 156 075 MHz 160 675 MHz 03 156 150 MHz 160 750 MHz 62 156 125 MHz 160 725 MHz 04 156 200 MHz 160 800 MHz 63 156 175 MHz 160 775 MHz 05 156 250 MHz 160 850 MHz 64 156 225 MHz 160 825 MHz 06 156 300 MHz 156 300 MHz 65 156 275 MHz 160 875 MHz 07 156 350 MHz 160 950 MHz 66 156 325 MHz 160 925 MHz 08 156 400 MHz 156 400 MHz 67 156 375 MHz 156 375 MHz 09 156 450 MHz 156 450 MHz 68 156 425 MHz 156 425 MHz 10 156 500 MHz 156 500 MHz 69 156 475 MHz 156 475 MHz 11 156 550 MHz 156 550 MHz 71 156 575 MHz 156 575 MHz 12 156 600 MHz 156 600 MHz 72 156 625 MHz 156 625 MHz 13 156 650 MHz 156 650 M2. Produced or imported by CTE INTERNATIONAL Via R Sevardi 7 42010 Mancasale Reggio Emilia Italy Imported by ALAN UK Unit 2 Callenders Paddington Drive Churchward Park gt INSTRUCTION GUIDE Swindon Wiltshire SN5 7YW United Kingdom This radio can only be used with a valid ship s radio station licence issued by the national authorities in the home country of the ship Read the instructions carefully before installation and use If the product contains dry cells or rechargeable batteries do not throw the batteries into the fire To disperse after use throw into the appropriate containers gt i DS os 2 D 3 E pam a ro YC ee l ea ZZ Se Fi a m O P ap d EA a bi gt AN 2 CA 5 d 9 gt ro 2 Ze 7 gt be gt z x 4 NS 2 f e r on L bedi 3 777 e bo gt D e de dE 2 7 a ei e erd _ gt gt Ze rn Sa E ene oS Ga ba gd j Gag eiz ZE be gt e dz de Se gt gt 3 ES Ee Miri SGAE 2 F EN f d ps amp 5 Te re m gt e gt JK A Ga e 5 ET 2 de Be E E do e eri bei ex
3. 2 EON gt e e 7 7 5 gt 2 ZO gt fen r lt e e be be E eit ei d Ge gt Ea eer 79 SE b b se Gur _ Pa nn gt a ETT ea e urr ad gt a gt ro a Ee E EE tem He ek A at et St ESO 4 e e x ed pa we ede gt lt As Eran 2176 e To gt Ga bie dE 7 gt 2 ZO or lt ew 7 oe TA gt E o 8 SEa EO 5 Gz B r TE so e ZE do ANW e RINE D AipLaND ENGLISH Differently from what stated in paragraph 4 2 Installing and removing batteries of the user manual the radio works with a 6 0V battery pack or with 4 AA alka line batteries 1 5V Table of contents 1 Uu detela aL 2 Above all safety 24 5 056 EA ALZA 3 2 3 GORDE rta ake E Oa ea TO EO tta ra errire 3 Identifying the DOS aa 4 SR MS SEA 4 E e e 5 Preparing the DOSI reen 6 4 1 Installing and removing the belt clip 4 2 Installing and removing batteries 4 2 Installation AAA 6 ROI ear ra e a E a E E Gararen 7 43 Recharging aua 7 44 Memory
4. 1 1 2 will disappear from the display 5 When the button is in reception mode PTT 11 not pressed you will automatically receive any communication During transmission and reception try as far as possible to keep the antenna in vertical position and to avoid obstacles towards the direction of the other party 5 5 Button MON Monitor The Monitor button is for temporarily excluding opening the squelch in order to listen to signals that are too weak to keep the squelch permanently opened By excluding the squelch you will avoid listening the communication chopped by the squelch In order to activate the Monitor function so as to listen to all traffic on the selected channel keep pressed the MON SCAN 18 button for about 2 seconds Keep pressed the button MON SCAN 18 for about 2 seconds to disable this function 5 6 Choosing high or low transmission power Batteries are drained more quickly during transmission In order to extend the battery life you can select the low power when transmitting over short distances 1 Press the MENU 17 button twice and the writing Pr will display 2 Select LO 8 using the scroll buttons ARTIO 3 Press PTT 11 to confirm or wait for 5 seconds If you want to transmit a longer distance repeat the above procedure to select the high power At step 2 use the scroll buttons A 19 to make the writing LO 8 disappear When the batteries are in good conditions high power is about 5 wat
5. effect of rechargeable batteries 7 Basic OPeratiOns aar aa 8 tare er aaa tar rr 8 5 2 Selection of the operational Gone aera 8 5 3 Volume 5 4 Transmission and reception es 5 5 Button MON Monitor rrenean 5 6 Choosing high or low transmission DONE rr 9 5 7 LOD DACKIIGM AEE 9 5 8 Instant selection of Channel TS rr era 9 5 9 SAVING ALA 9 Advanced FUNCTIONS arro 10 6 1 Scanning all CHAANEIS 10 6 2 VOX FUNCOM AAA 10 6 3 Keypad lock 210 6 4 Roger End of message tone 6 57 EE EN EEE ENT TE EE ANN ETZE 11 Troubleshooting saro 12 TA SA 12 7 2 Solution table ire TE arrera 13 Technical SpeCifiCati ON agata aate aeta zara erta 14 8 1 ta gua 14 ERA SUA 14 ENGLISH 2 2 1 Introduction The new handheld marine transceiver Atlantic XT is able to satisfy communication requirements for all types of navigation whether professional or hobbyist Atlantic XT is robust electronically advanced and enables clear and reliable communications on the VHF nautical band for all international channels assigned by ITU It offers security for all navigational requirements thanks also to a dedicated b
6. the same button pressed for about 2 seconds to activate MON function This function temporarily cuts off Squelch for weak signals Scroll buttons Press these buttons to select channel number and to change setting within the MENU ENGLISH 2 2 4 Preparing the transceiver Make sure the following items are supplied in the package before you start using your transceiver e transceiver e desk wall support e belt clip holder e waterproof case with neck collar e operational manual If any of the above is missing or damaged contact your supplier immediately 4 1 Installing and removing the belt clip With the belt clip you can easily attach the transceiver to your belt The clip however must be removed in order to install or change the batteries To remove the belt clip follow the instructions of picture 1 To fix the clip back to the device slot it in the guides at the back of the transceiver until it clicks into place 4 2 Installing and removing batteries The transceiver is operated by four optional AA battery These can be either one of two types e Rechargeable NiMH 1 2 V available in different capacity in mA h Batteries with higher capacity will supply longer charger but will require longer times to recharge e Non rechargeable alkaline 1 5 Do not install rechargeable and alkaline batteries at the same time in your transceiver Always use the same batteries as a set
7. Hz 73 156 675 MHz 156 675 MHz 14 156 700 MHz 156 700 MHz 74 156 725 MHz 156 725 MHz 15 156 750 MHz 156 750 MHz 75 156 775 MHz 156 775 MHz 16 156 800 MHz 156 800 MHz 76 156 825 MHz 156 825 MHz 17 156 850 MHz 156 850 MHz 77 156 875 MHz 156 875 MHz 18 156 900 MHz 161 500 MHz 78 156 925 MHz 161 525 MHz 19 156 950 MHz 161 550 MHz 79 156 975 MHz 161 575 MHz 20 157 000 MHz 161 600 MHz 80 157 025 MHz 161 625 MHz 21 157 050 MHz 161 650 MHz 81 157 075 MHz 161 675 MHz 22 157 100 MHz 161 700 MHz 82 157 125 MHz 161 725 MHz 23 157 150 MHz 161 750 MHz 83 157 175 MHz 161 775 MHz 24 157 200 MHz 161 800 MHz 84 157 225 MHz 161 825 MHz 25 157 250 MHz 161 850 MHz 85 157 275 MHz 161 875 MHz 26 157 300 MHz 161 900 MHz 86 157 325 MHz 161 925 MHz 27 157 350 MHz 161 950 MHz 87 157 375 MHz 157 375 MHz 28 157 400 MHz 162 000 MHz 88 157 425 MHz 157 425 MHz
8. arge the batteries When these are fully charged the charging process does not stop automatically Do not forget therefore to remove the charger from the transceiver as soon as the batteries are charged Do not try to charge alkaline batteries or non rechargeable batteries Make sure that when you connect the charger only rechargeable batteries NI MH should be contained in the batteries compartment It is very dangerous attempting to recharge other types of batteries for example alkaline or manganese batteries Batteries which are not suitable to be recharged may leak explode or even burn and cause damage Using a different battery charger other than the one specified can cause damage to your device or may even cause explosions and personal injuries Do not throw batteries into fire or place them near heat as this may cause explosions or personal injuries Dispose of the batteries according to procedures set out by local regulations Do not mix old and new batteries or batteries of different types or batteries which have been used in different manners Every battery set which is being used must always be composed of the same elements 4 4 Memory effect of rechargeable batteries Rechargeable NiMH Nickel Metal Hydrate batteries are affected by what is known as the memory effect This phenomenon is associated with a drastic reduction of battery autonomy and is triggered if the batteries are regularly charged before being fully d
9. display Use less display backlighting 5 7 backlighting Excessive use of transmission Try to reduce transmission 5 6 times and or use low transmission power Memory effect is occurring Eliminate memory effect 4 4 with the batteries Logical malfunction Incorrect setting brought on Reset your radio TA 13 ENGLISH 2 2 8 Technical specifications 56 International Frequency PLL synthesizer Frequency range International TX 156 025 157 425 MHz DE eee Peat Bache cast cy EEE RX 156 300 162 000 MHz Antenna 50 Ohm POWerSUPDIV OEE TEA e 6 VDC 10 Operating Temperature Range sr o from 15 to 55 C SIZE Seeded ai Oia 122x58x34 mm HxWxD Weight without batteries aaa arazoan e aaa aea 119 grams Duty cycle 1 POS an TX 5 RX 5 Stand by 90 8 1 Transmitter DOWN EE i ta ata a aie rae Modulation type Residual noise attenuation b dele alea ana 8 2 Receiver Sensitivity 124 RA LASA DOUN ela SAREA 12dBV Adjacent channel rejOCtiOm ccccieccscisasacsasceeccescacssszesciseasecnnsedasctvasateasccaicesdanenssi 60dB Audio Output Power 300mW 10 THD
10. ected the scanning pauses on that channel and remains blocked for five seconds before automatically begins scanning again to give you the chance to find other communication Press briefly the button MON SCAN 18 to start scanning Press again MON SCAN 18 to stop scanning Your transceiver will go back to the channel from which the scanning originally started Once you are tuned in the communication you were looking for press PTT 11 to talk on the selected channel Atlantic XT will however remain in scanning mode which is indicated by the flashing of the channel on the display and it is possible to start scanning again by pressing on the scroll buttons A 19 If you press PTT 1 1 during scanning you can transmit on the channel from which the scanning started The scroll buttons ATOI allow you to change the direction of scanning from lower channels to higher ones or vice versa and therefore to skip communications which are of no interest 6 2 VOX Function Atlantic XT enables hands free conversations through VOX function The degree of sensitivity of VOX function can be adjusted to three different levels You can enable VOX function with or without accessories 1 To activate VOX function press the MENU 17 button three times and 1 will appear on the display 2 Use the scroll ATOI buttons to select e OFF Disabled e 1 1 Level low sensitivity 2 2 Level high sensitivity 3 Press PTT 11 to confirm or wait for 5
11. formation with regards to the channel being used d duplex 8 The padlock symbol appears when the keypad lock is activated The rain umbrella symbol marks activation of weather information channels only for American version bands USA and CAN LO Low appears when a low band transmission has been activated RX busy channel appears on the display when the transmitter is receiving a signal 3 2 Radio Refer to the following images to identify the various parts of the device 10 11 12 13 14 15 16 17 18 19 15 10 16 INT USA CAN IEE GDS D D RX LO 11 17 ATLANTIC 12 18 13 19 0000000 14 0000002 VOLUME control On off switch for the device and adjusts volume of reception Button PTT press to talk CALL CALL function see par 6 5 Press this button to switch to transmission Button 16 Press this button to instantly recall channel 16 Built in MICROPHONE Here is where sound is picked up by the microphone Built in SPEAKER Here is where the speaker is housed ANTENNA Receives and transmits radio signals Socket MIC CHG under protective cover To connect to external audio devices headphones microphone etc and to the battery charger MENU button Press this button to display the device s menu MONITOR SCAN button Press this button once to activate SCAN scanning of channels Keep
12. harged icon alerts you when the batteries are low e Sockets for speaker and microphone these sockets enable the use of various external microphone optional accessories headphone microphone speaker etc for a more comfortable use particularly in noisy environments e You can use your marine transceiver either with Ni MH rechargeable batteries or with non rechargeable alkaline ones e Channel scanning automatically searches for marine band channel signals NOTE The manufacturer with its effort to constantly improve product quality reserve the right to change characteristics and features without prior notice 2 Above all safety 2 1 Symbols used For ease and convenience of use this manual uses symbols to highlight urgent situations practical advice and general information Exclamation marks such as this one indicate a crucial description regarding technical repairs dangerous conditions safety warnings advice and or other important infor mation Ignoring these symbols may result in serious problems and or damage and or personal injury Notes such as this one indicate practical advice that we suggest be followed for the optimal performance of the equipment 2 2 Warnings DO NOT TRANSMIT WITH THE DAMAGED ANTENNA OR WITHOUT THE ANTENNA CONNECTED although the radio is protected this may seriously damage its R F power stages Do not use your transceiver if the antenna is damaged Do not keep the antenna too close to y
13. ischarged and or are not completely recharged To avoid the memory effect e When possible recharge the batteries only when they are completely discharged until the device turns itself off during normal use e Do not disconnect the battery charger before the time indicated for a full battery charge e Discharge and recharge your batteries completely at least twice a month In any case the best solution for avoiding the memory effect is to use in turn two battery sets one in use and the other as a spare set The memory effect can be easily eliminated by completely discharging charging the batteries 3 or 4 times The memory effect should not be confused with the normal battery life which is 400 cycles of charge discharge on average It is completely normal for operating duty to decrease when the batteries have reached the end of their life at this point you will need to substitute the battery set 2 2 5 Basic operations 5 1 Turning on off To turn on the transceiver turn the ON OFF VOLUME knob clockwise until you hear it clicks the LCD display will light up and do an Auto Test Subsequently you will hear beeps of different tones To turn off the transceiver turn the knob counter clockwise until you hear another click The LCD display will turn off and subsequently you will hear 3 beeps of different tones 5 2 Selection of the operational channel 1 Press once the MENU 17 button The number of the chan
14. nel will start flashing on the display 2 Press the scroll buttons A W 19 to scroll up or down the channel list till you select the desired channel 3 Press the PTT 11 button to confirm or wait for 5 seconds Refer to the table of frequencies of Chapter 10 Moreover the reception frequency could be different duplex channels from the transmission frequency or it could be the same simplex channels Normally communications among vessels can only take place on simplex channels 5 3 Volume control Turn the knob VOLUME 10 to about half way and adjust it to a comfortable level as soon as you receive a signal If you do not receive a signal you can use the button 1 8 described at par 5 5 Ensure the channel you ve selected is not a reception only channel if it is the transmission will be disabled and that no one else is talking this will appear on your display as the BUSY icon 5 4 Transmission and reception The button PTT 11 is located on the top left side of the device To transmit 1 Make sure that the selected channel is not reception only if it is transmission will be disabled and that no one else is currently talking 2 Keep button PTT 11 firmly pressed TX 2 will appear on the display 3 Before you start talking wait for a fraction of a second then speak normally in the direction of the microphone and hold the device at a distance of about 5 cm 4 When you have finished release the button PTT
15. ns ATOI to select on 6 5 CALL Function The CALL function warns other users tuned in on the same channel of the arrival of a call To send the signal to another user press twice button PTT 11 On the display TX 2 will appear and the Speaker 14 will give out a sequence of sounds which you have previously chosen Atlantic XT gives you the chance to select different tones to send Tone 1 is factory set To select the sequence of tones 1 Press six times the MENU 17 button the writing CA will appear on the display 2 Using the scroll buttons ATOI select 1 2 o During selection you will be able to hear the relative tone 3 Press PTT 11 button to confirm or wait for 5 seconds 11 ENGLISH 2 2 7 Troubleshooting Your Atlantic XT is designed to provide you with years of optimal performance If for some reason problems arise refer to this chapter before contacting a service centre in your region 7 1 Reset If your transceiver experiences a logical malfunction improper symbols on the display blocking of functions etc it may not be experiencing a true failure but rather a problem caused by external factors For example it may have an incorrect setting brought on by a noise or spikes in the electrical system during battery recharging In such cases you can reset the transceiver to its factory programmed settings by resetting all parameters 1 Turn off the transceiver 2 Remove the ba
16. our head and body during transmission Do not hold the transceiver by the antenna This is a delicate part of the device and is vital for the proper functioning of the radio Pay attention to environmental conditions although the radio was designed to operate under the most severe conditions it is important to avoid exposure to environments that are excessively humid or dusty or to temperatures outside the 15 to 50 C range Also avoid exposure to direct sunlight Avoid strong mechanical shocks and excessive vibration the radio is designed to bear mechanical shocks and vibrations provided that they re the normal ones borne by any electrical equipment Do not use the radio its accessories and or substitute the batteries in potentially explosive environments A single spark may cause an explosion BATTERIES Strictly follow all the directions and warnings on the batteries stated at chapters 4 3 and 4 4 Do not open the radio for any reason The radio s precision mechanics and electronics require experience and specialized equipment for the same reason the radio should under no circumstances be realigned as it has already been calibrated for maximum performance Unauthorized opening of the transceiver will void the warranty Do not use detergents alcohol solvents or abrasives to clean the equipment Just use a soft clean cloth If the radio is very dirty slightly dampen the cloth with a mixture of water and a neutral soap You
17. r VHF marine handheld transceiver has a built in VHF radio transmitter Be aware that when you press the PTT button the radio emits radio frequency R F energy Before using the radio ensure that all protective covers and parts are in perfect operating condition in order to ensure maximum protection against humidity and atmospheric agents 2 3 Service We advise you to write the serial number of your transceiver in the space provided below This number is found on the rear panel of the transceiver and will be useful in the event of repair assistance and or loss and or theft Serial Number ENGLISH 2 2 3 Identifying the parts 3 1 Display Your marine transceiver keeps you constantly updated about its operational status through a Liquid Crystal Display LCD The symbols and their corresponding parameters that may appear according to the operational status of the device are described as follows 5 5 3 B E INT USA CAN z 6 2 7 E 8 9 VOX Activation of VOX function TX During transmission when you press PTT button or during the sending of a CALL signal gt Battery symbol warns you of battery low charge CHANNEL These two large digits show the selected marine channel INT USA CAN and the first of the 2 small digits Specify the frequency band in use USA and CAN only for American version Second small digit Gives further in
18. seconds To disable VOX function follow the instructions above and select option oF VOX has a better performance when used in conjunction with the optional accessories which plug in the appropriate outlet This will enable you to keep the microphone at constant distance from your mouth and by holding the transceiver on the belt you can carry on working with your hands in total freedom 6 3 Keypad lock You can lock the keypad of your transceiver and avoid pressing buttons accidentally All buttons are disabled with the exception of MON 18 opening squelch PTT 11 16 12 MENU 17 removal of keypad lock To insert keypad lock 1 Press four times the MENU 17 button the symbol 6 will appear the display 10 2 Using the scroll buttons 19 select on 3 Press PTT 11 to confirm or wait for 5 seconds To remove keypad lock repeat the above procedure At step 2 use the scroll button to select oF 6 4 Roger Beep End of message tone When you release the PTT 11 that is every time you end transmission Atlantic XT gives out a sound that indicate to the other party that s he can start talking This function is factory set To disable the function 1 Press five times the MENU 17 button the symbol rb will appear on the display 2 Using the scroll buttons A 19 select oF 3 Press PTT 11 button to confirm or wait for 5 seconds To reactivate this function repeat the above procedure Al step 2 use the scroll butto
19. t whereas low power is about 1 watt A low battery level during transmission will have a negative effect on the performance of your device 5 7 LCD backlight If there is insufficient light to read the display you can press the MENU 17 button to switch the display back light on for about 5 seconds Switching the back light on the display adds an additional drain on the batteries Try to make a moderate use of this 5 8 Instant selection of Channel 16 Channel 16 is the marine channel most frequently used for emergency Your transceiver is equipped with a button that provides instant access to this channel To recall rapidly channel 16 press the button CH 16 12 No matter what mode the device is operating channel 16 will be selected immediately To go back to the previously selected channel press again the button CH 1611 2 5 9 Power saving feature The battery power saving feature enables a reduction in the consumption of up to 50 Power saving comes on automatically when the transceiver does not receive any signal for more than seven seconds When the battery pack is discharged the icon 3 appears on the display batteries need to be substituted or recharged if they are Ni MH type ENGLISH 2 2 6 Advanced functions 6 1 Scanning all channels Atlantic XT can automatically search for signals throughout the marine band by scanning i e selecting the channels in rapid sequence When a signal is det
20. tteries for about 60 seconds Par 4 2 Before you go ahead with the reset we recommend that you take note of all the setting you have carried out as they will be deleted 12 7 2 Solution table and or with noise squelch using the Monitor function Problem Possible Cause Solution Ref The radio does not The batteries are not charged Ensure the batteries are 4 2 turn on and or are not correctly charged and correctly 4 3 inserted inserted in the radio The radio turns on The volume is too low The volume is too low 5 3 but does not receive signals You are unsuccessful Incorrect selection of marine Check your channel band 5 2 in establishing contact channel or local band with your party Reception is broken Signal is extremely weak Temporarily deactivate 5 5 Your party is too far away and or transceiver antenna is shielded by obstacles in the direction of your party Move closer to your party and or move the transceiver to aless shielded area improper symbols on the display blocking of functions etc by electrical disturbance Other users are using the Check the radio traffic on the 5 2 same radio channel selected channel and change channels if necessary The radio is positioned too Move the radio away from the close to other interference interference devices devices televisions computers transmitters etc Battery life is short Excessive use of
21. type and make so that you can be sure their level of charge is the same Ifyou do not use the transceiver for a long time remo ve the batteries 4 2 a Installation 1 Remove the belt clip as explained in paragraph 4 1 2 Open the batteries compartment as shown in picture 2 3 Insert the batteries the battery compartment as shown in picture 2 4 Replace the cover on the batteries compartment 5 Replace the belt clip careful to insert the batteries according to their po larity as illustrated inside the compartment Be careful to snap close the battery cover Picture 1 Picture 2 4 2 b Removal 1 follow steps 1 and 2 of par 4 2 a 2 Remove the batteries from the device 3 Follow steps 4 and 5 of par 4 2 a 4 3 Recharging batteries Batteries can be recharged without taking them out of the transceiver but the device must be turned off Batteries take 12 13 hours to fully recharge rechargeable batteries1 700mA h To recharge batteries 1 Carefully lift the rubber protection of the socket MIC CHG 2 Insert the jack of the battery charger sold separately in the socket MIC CHG of the radio then connect the battery charger to a mains power socket Charging will begin When charging is complete pull out the charger s jack from the radio and detach it from the mains Replace the rubber protection mentioned in step 1 ENGLISH Do not overch
22. utton that gives instant access the emergency channel N 16 Atlantic XT which boasts 56 channels and outputs 5W transmission power is made up of components specifically designed for this type of equipment Its water resistant protection enables safe use also in wet conditions Atlantic XT is particularly straightforward to use and guaranties best performance in all situations thanks also to the keypad lock that prevents accidental pushing of buttons while handling the device A LCD back lit display enables its use in darkness or poor visibility In short Atlantic XT is easy to use and it offers total security Main features e PLL Phase Locked Loop synthesizer circuit for precise and stable channel selection e Back lit LCD display constantly displays radio s parameters and settings The backlighting enables you to view the screen when there is little environmental light e Automatic squelch while in standby this function automatically eliminates bothersome background noise and reduces the battery drain e Recall button for Channel 16 for instant access to channel 16 the most used marine channel mainly used for emergency contact e CALL function e High low power selection reduces transmission power in short distance communication allowing the radio to save energy and reducing the risk of interference e Keypad lock locks the transceiver keypad to avoid the accidental activation of buttons or settings e Battery disc
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