Uniden America UT644 PORTABLE VHF PTT MARINE RADIO TRANSCEIVER User Manual Rev

Uniden America Corporation PORTABLE VHF PTT MARINE RADIO TRANSCEIVER Rev

User Manual Rev

MHS126RADIO VHF MARITIMEGUIDE D’UTILISATIONVHF MARINE RADIOOWNER’S MANUAL
Making a Distress Call Speak slowly - clearly - calmly.For future reference, write your boat’s name & call sign here: 1. Make sure your radio is on. 2. On the radio, press the 16/9-Tri button to switch to Channel 16 (156.8 MHz). (If the corner of the display does not show 16, press the 16/9-Tri button again until it does.) 3. Press the push to talk button and say: “MAYDAY -- MAYDAY -- MAYDAY.” 4. Say “THIS IS {name of your boat (three times) and call sign/boat registration number (once)}.” 5. Say “MAYDAY {name or call sign of your boat}.” 6. Tell where you are: (what navigational aids or landmarks are near, or read the latitude and longitude from your GPS). 7. State the nature of your distress, (e.g. are you sinking, medical emergency, man overboard, on re, adrift, etc. 8. State the type of assistance you need (medical, towing, pumps, etc.).9. Give number of persons aboard and conditions of any injured persons. 10. Estimate present seaworthiness of your ship (e.g. how immediate is the danger due to ooding or re or proximity to shore). 11. Briey describe your ship, giving the ship name (e.g. “Blue Duck is 32 foot cabin cruiser, white hull, blue deck house”). 12. Say: “I WILL BE LISTENING ON CHANNEL 16.” 13. End message by saying “THIS IS {name or call sign of your boat}, OVER.” 14. Release the push to talk button and listen. If you do not get an answer after 30 seconds, repeat your call, beginning at step 3, above.
Faire un appel de détresse Faire un appel de détresse vocal Parlez lentement – clairement – calmement. Pour toute référence ultérieure, transcrivez ci-dessous le nom et l’indicatif d’appel de votre bateau : 1. Vériez si votre radio est en marche. 2. Appuyez sur la touche 16/9-Tri de la radio an de commuter au canal 16 (156,8 MHz). (Si le canal 16 n’apparaît pas à l’afchage, appuyez de nouveau sur la touche 16/9-Tri jusqu’à ce qu’il soit afché.) 3. Appuyez sur le bouton de microphone push to talk et dites :“MAYDAY - MAYDAY – MAYDAY”. 4. Donnez l’identité de votre navire en disant : “ICI {nom de votre bateau (trois fois) ou indicatif d’appel et le numéro d’identication de votre bateau (une fois)}”. 5. Dites “MAYDAY {nom ou indicatif d’appel de votre bateau} une fois”. 6. Donnez votre position : (quels sont les points de repère ou aides à la navigation près de vous ou lisez les coordonnées de longitude et de latitude apparaissant sur votre dispositif GPS). 7. Révélez la nature de votre détresse (par exemple, nous sommes en train de couler, urgence médicale, un homme à la mer, un incendie, nous sommes à la dérive, etc. 8. Révélez la nature de l’assistance désirée (médicale, remorquage, essence, etc.)9. Donnez le nombre de personnes à bord et les conditions des blessés, s’il y en a. 10. Donnez la condition de navigabilité actuelle de votre navire, tel que le degré de l’urgence par rapport à l’inondation, à l’incendie ou à votre proximité de la côte. 11. Donnez une brève description de votre navire en donnant le nom du bateau (par exemple, “Blue Duck est un yacht de croisière de 32 pieds, avec une coque blanche et un roufe bleu.”). 12. Dites : “JE VAIS ÉCOUTER SUR LE CANAL 16”. 13. Terminez le message en disant “ICI {nom ou indicatif d’appel de votre bateau}, À VOUS”. 14. Relâchez le bouton push to talk du microphone et écoutez. Si vous n’obtenez pas de réponse après 30 secondes, répétez l’appel encommençant à l’étape 3 ci-dessus.
Making a Distress Call ............ (inside front cover)Table of ContentsIntroduction ............................ E-1Features .................................. E-1Getting Started ....................... E-4What’s Included ....................... E-4Parts of the MHS126 ............... E-5Front view .......................... E-5Back view ........................... E-5Charger .............................. E-7Reading the Display ................ E-7Display icons and what they mean ..................... E-8How It Works .......................... E-9Normal Mode Operation ........ E-10Normal mode with Weather Alert Watch ... E-10Normal mode with Triple Watch or Dual Watch .. E-11Scan Mode Operation ............ E-11Using the radio in Scan mode .......................... E-12Scan mode with Weather Alert Watch ................. E-12Scan mode with Triple Watch or Dual Watch .. E-13Both Weather Alert and Triple/Dual Watch in Scan mode ................. E-14Weather Mode ....................... E-14Using the radio in weather mode........................... E-15Weather mode with Weather Alert Watch ... E-15Weather mode with Triple Watch or Dual Watch .. E-15Setting Up the Hardware ..... E-16Attaching the Antenna ........... E-16Installing the Battery .............. E-16Using the Alkaline Battery Tray ................................... E-16Mounting the Charger ............ E-18Charging the Battery .............. E-18Important notes on charging the battery .... E-19Attaching the Belt Clip ........... E-19Using Your Radio ................. E-20Turning It On ......................... E-20Setting It Up ........................... E-20Changing the volume ...... E-20Setting the Squelch level . E-20Reading volume and squelch level on battery icon ............ E-21Setting the UIC channel mode (USA/CAN/INT) E-22Using the WX Mode ............... E-22Making a Transmission .......... E-22Selecting a channel .......... E-22Making a transmission ..... E-22Boosting the transmission power..... E-23Saving Channels to Memory . E-24Special Features .................... E-24
E-1Uniden MHS126 Radio Owner’s ManualIntroductionFeaturesYour radio provides the following key features: Submersible design. Complies with oating JIS8/IPX8 water-resistant standards, which means the radio can be submerged in 1.5 meters of water for 1 hour without damage. #Notes:The radio will only meet this rating if fully assembled and all rubber seals and sealing plugs are well maintained and correctly tted. This means that the speaker microphone is attached or the sealing plug is tted, and the battery pack (or tray) and antenna are attached and securely fastened.After your radio is submerged in water, you might notice that the sound is distorted. This is because Using the Strobe SOS Light/Flashlight ........... E-24Turning the key beep on and off ......................... E-25Setting Key Lock .............. E-25Using the external speaker/Mic jack ......... E-25Using the Battery Save feature ........................ E-25Maintenance and Troubleshooting ................ E-27Common Questions ............... E-27Channels and Frequencies (MHz) .................................. E-31US Channel Frequencies and Names ............................... E-31Canadian Channel Frequencies and Names ... E-32International Channel Frequencies and Names ... E-35Weather Channel Frequencies and Names ........................ E-37Regulations and Safety Warnings............................ E-38Maritime Radio Services Operation ........................... E-38Basic Radio Guidelines ......... E-38
E-2 Uniden MHS126 Radio Owner’s Manualthere is still water remaining in and around the speaker and microphone. Just shake the radio to clear excess water, and the sound will return to normal.If your radio is exposed to salt water, clean it thoroughly with fresh water and dry it before turning it on.The charger is not waterproof. Memory Scan mode. Lets you save channels to memory and monitor them in quick succession. Transmitter power level select/Boost. Lets you boost the transmitter power from 1W to 2.5W or 6W for added transmission distance. Battery level display and low battery alert. Dual and Triple Watch operation. These different Watch modes let you monitor up to one Coast Guard Distress/Hailing channel and one weather channel along with one regular marine channel. All marine VHF channels for the U.S., Canada, and international waters. Battery Save. The Battery Save feature automatically turns off RX power at regular intervals to save battery power. National Oceanic and Atmospheric Administration (NOAA) Weather Channel watch. Sounds a warning tone when a hazard alert is issued. SOS Strobe/Flashlight. A high intensity strobe LED can be set to blink an SOS pattern or to be steady on. Emergency 16/9 Channel monitoring. Set unit to scan one or both of these emergency channels regularly within normal scanning cycles.
E-3Uniden MHS126 Radio Owner’s Manual Key Lock. Locks keys to prevent accidentally changing channels or entering data. Nine weather channels. Selectable Volume (0 - 9) and Squelch (0 - 3) levels.
E-4 Uniden MHS126 Radio Owner’s ManualGetting StartedWhat’s IncludedAntenna Charging CradleLithium Ion Poly BatteryAlkaline Battery Tray (batteries not included)MHS126 Radio DC Charging AdapterAC-DC Charging AdapterScrews for Charging CradleWrist Strap Belt ClipIf any pieces are missing or damaged, contact Uniden Customer Care (see back cover for contact information).
E-5Uniden MHS126 Radio Owner’s ManualParts of the MHS126Front viewBack viewAntennaLCD displayL/M/H buttonChannel up buttonExternal speaker and microphoneMicrophone16/9-Tri (16/9- triple watch) buttonWX-Alert (weather-alert) button Scan-Dual (scan-dual watch) buttonPush to talk buttonSpeakerWrist strap anchorChannel down buttonUIC/LOCK buttonMem (memory) SOS buttonStrobe SOS lightPower buttonBoost buttonVolume/SquelchbuttonBelt clipBatteryBattery charging contactsBattery latch
E-6 Uniden MHS126 Radio Owner’s ManualButton Press to... Press and hold to...Power NA Turn the radio on or off.PTT (Push to Talk) NA Talk/transmit on a channel.Boost NA Transmit with a higher power level.16/9/TRI1st press: Go to channel 16.2nd press: Go to channel 9.3rd press: Go back to the starting channel.Turn Triple Watch on and off. MEM/SOSSave a channel into memory or delete a channel from memory.Turn on the SOS signal.Press and hold again to turn on ashlight.Press and hold again to turn off the LED light.WX/ALERTPlaces radio into Weather mode so you can listen to the weather channels.Turn Weather Alert Watch on and off.Channel UpMove up one channel or squelch/volume step at a time.Move quickly up the channels/ squelch/volume steps.UIC/LOCK Switch from US to Canadian or International channels.Lock the keys; press and hold again to unlock.L/M/H Change the transmit power (see page E-9). NAChannel DownMove down one channel or squelch/volume step at a time.Move quickly down the channels/squelch/volume steps.
E-7Uniden MHS126 Radio Owner’s ManualButton Press to... Press and hold to...SCAN/DUALStart scanning channels saved in memory.Turn Dual Watch on and off.VOL/SQ Increase or decrease the volume.Increase or decrease the squelch level.ChargerReading the DisplayThe LCD display shows different information depending on what you are doing. This sample screen shows some of this information. The following table shows all the possible icons and what they mean.Charging contactsCHARGE LEDScrew holes for mountingPower jack[cigarette (DC) or wall (AC) plug]Charging latchesTransmit power levelThis channel is stored in memory.Watch mode The radio is in scan modeKey lock is onThe radio is transmitting Current channel numberUIC channel mode Weather Alert Watch is on. Battery status icon
E-8 Uniden MHS126 Radio Owner’s ManualDisplay icons and what they meanIcon What it meansYou are currently transmitting.LO, MID, HIThe transmitter power is set to L (Low - 1W), M (Mid - 2.5W), or H (HIGH - 6W).LOCKThe keys are locked. US, CAN, or INTIndicates if the radio is set for US channels, CANadian channels, or INTernational channels.TRI or DUALTRIple Watch or DUAL Watch is turned on.MEMThe current channel is saved in memory.SCANThe radio is in Scan mode.WXThe radio is in Weather modeWeather Alert Watch is turned on.The battery is fully charged, mostly charged, half charged, mostly empty, or completely empty.88A Current channel number
E-9Uniden MHS126 Radio Owner’s ManualHow It WorksYour radio has three main operation modes: Normal, Scan, and Weather.Mode What it does Use it when you want to...To turn it on/offNormalMonitors a single marine channel and lets you talk on that channel.Monitor a channel or talk to another radio.(default mode)Scan Monitors all the channels you save into memory.Check a small group of regularly-used channels for trafc.Press SCAN/DUAL.Weather Monitors the selected NOAA weather channel.Hear the current or forecasted weather.Press WX/ALERT.In addition to the three operation modes, your radio provides three different watch modes which you can activate during any operation mode. In the watch modes, the radio briey checks for activity on a specic channel, then returns to its previous operation.Watch mode What it does To turn it on/offWeather Alert WatchChecks the last-used weather channel for hazard alerts every 7 seconds.Press and hold WX/ALERT for 2 seconds.Dual Watch Checks channel 16 for activity every 2 seconds.Press and hold SCAN/DUAL for 2 seconds.Triple Watch Checks channels 16 and 9 for activity every 2 seconds.Press and hold 16/9/TRI for 2 seconds. #Private boats must monitor channel 16 whenever they are underway. Water-going vessels should have either Triple Watch or Dual Watch on at all times.
E-10 Uniden MHS126 Radio Owner’s ManualNormal Mode Operation To transmit, remove the radio from the charger, then press and hold Push to Talk. Release the button when you are nished talking. For the best sound quality, hold the microphone about two inches from your mouth while you’re talking. Press Channel up to move up one channel at a time. Press and hold the button to scroll quickly up the channels. Press Channel down to move down one channel at a time. Press and hold the button to scroll quickly down the channels. To change the transmit power, press L/M/H. The transmit power switches to the next transmit power each time you press this button. Normal mode with Weather Alert WatchIf you activate Weather Alert Watch while operating in Normal mode, the radio checks the most recently used weather channel every few seconds. If it detects a weather or other hazard alert, it will switch to that weather channel. (If you are actively transmitting, the radio waits until you nish your transmission before checking the weather channel.)wxEvery few seconds, the radio checks the last-used weather channel.WX Alert Watch onMonitoring Channel 25
E-11Uniden MHS126 Radio Owner’s ManualNormal mode with Triple Watch or Dual WatchIf you activate Triple Watch while operating in Normal mode, the radio checks channels 16 and 9 every two seconds; with Dual Watch turned on, the radio only checks channel 16. The radio will not check channels 16 or 9 while you are actively transmitting; it waits until your transmission is nished and then checks the channels.Scan Mode OperationYou can save channels into memory and then use Scan mode to monitor those channels from lowest to highest. If the radio detects a signal on a channel, it stays on that channel as long as the signal is received; when the signal stops, the radio continues scanning. 09 16 09 16 09 16Every 2 seconds, the radio checks channels 9 & 16.Triple Watch onMonitoring Channel 25111008 1312 14 1715The radio scans about 5 channels in 0.5 seconds.When it detects a signal, the radio stays on the channel until you press the Channel Up button or the signal stops. Resume scan
E-12 Uniden MHS126 Radio Owner’s ManualUsing the radio in Scan mode To activate Scan mode, press SCAN/DUAL. You must have at least two channels in memory to start a scan. However, you cannot save marine channel 70 or Weather channels. You cannot transmit while in Scan mode. To save a channel into memory, select the channel, then press MEM/SOS. The MEM icon displays whenever you tune to that channel. To remove a channel from memory, set the radio to that channel, then press MEM/SOS. The MEM icon no longer displays. When the radio stays on a channel, press Channel Up to leave that channel and resume scanning. To end the scan, press the SCAN/DUAL button again; the radio remains on the last scanned channel.Scan mode with Weather Alert WatchIf you activate Weather Alert Watch while in Scan mode, the radio checks the most recently/used weather channel every seven seconds, then continues scanning the next channel in memory:Every 7 seconds, the radio checks the last-used weather channel, then scans the next channel. wxWX Alert Watch onMemory Channel Scan08 252417151413121110 20
E-13Uniden MHS126 Radio Owner’s ManualScan mode with Triple Watch or Dual WatchIf you activate Triple Watch while operating in Scan mode, the radio checks channels 16 and 9 every two seconds, then goes on to scan the next channel; with Dual Watch turned on, the radio only checks channel 16:
E-14 Uniden MHS126 Radio Owner’s ManualBoth Weather Alert and Triple/Dual Watch in Scan modeYou can activate Weather Alert Watch and Triple/Dual Watch at the same time. The radio performs both checks at their scheduled time: Weather ModeThe NOAA weather channels cooperate with the FCC to alert you of other hazards besides weather (child abduction alerts, nuclear, biological, etc.). In Weather mode, the radio monitors one of the nine NOAA weather channels. If any type of alert is received, the radio sounds an alert tone and the display blinks. 09 16Every 2 seconds, the radio checks channels 9 & 16, then scans the next channel.Triple Watch onMemory Channel Scan08 252417151413121110 2009 16Every 2 seconds, the radio checks channels 9 & 16, then scans the next channel.Triple Watch onEvery 7 seconds, the radio checks the last-used weather channel, then scans the next channel. wxWX Alert Watch onMemory Channel Scan08 252417151413121110 20
E-15Uniden MHS126 Radio Owner’s ManualUsing the radio in weather modePress the WX/ALERT button to access Weather mode. WX displays. Press to scroll through the weather channels.To cancel Weather and return to the previous marine channel, press the WX/ALERT button again. The last active weather channel displays the next time you access Weather mode. #You cannot transmit while in Weather mode.When the radio detects a WX Alert signal, it sounds a siren tone three times. Press any button to turn off the tone.Weather mode with Weather Alert WatchBecause Weather mode already monitors the weather channels, you don’t need Weather Alert Watch to check the weather channel every seven seconds. If you activate Weather Alert Watch while operating in Weather mode, it operates as a type of “sleep mode;” the radio stays on the weather channel and mutes the speaker. If an alert is detected, the radio sounds an alert tone and turns the speaker back on. This mode is very useful when you are anchoring for the night but want to keep informed of hazards. Weather mode with Triple Watch or Dual WatchIf you activate Triple Watch while operating in Weather mode, the radio checks channels 16 and 9 every two seconds; with Dual Watch turned on, the adio only checks channel 16.09 16 09 16 09 16Every 2 seconds, the radio checks channel 9, then channel 16with Triple Watch onMonitoring Weather Channel WX08
E-16 Uniden MHS126 Radio Owner’s ManualSetting Up the HardwareAttaching the AntennaThe antenna detaches from the radio for easy shipping or storage. To attach the antenna to your radio, screw it tightly onto the anchor post at the top of the radio. Installing the BatteryYour radio comes with a rechargeable Li-Ion Polymer battery; for shipping safety, the battery is not installed at the factory. The empty alkaline battery tray is installed as a placeholder.1) Insert the tabs on the battery into the notches at the top of the battery compartment. #Each time you remove the battery, check the rubber seal around the battery compartment. Make sure the seal is seated in the groove and there is no dirt or debris on it. If the seal looks worn or damaged, contact customer service to order a replacement (see back cover page for contact information).2) Lower the battery until it rests at in the compartment.3) Bring the battery latch up and snap it into place.Using the Alkaline Battery TrayThe radio also comes with an alkaline battery tray that holds four AAA-type alkaline batteries (not included). You can use alkaline batteries as a backup for the Li-Ion Polymer battery so you can still use your radio while your Li-Ion Polymer battery is recharging.
E-17Uniden MHS126 Radio Owner’s ManualCAUTION: If you are using your radio in a cold-weather environment, Uniden recommends using non-rechargeable Lithium batteries. #When using alkaline batteries, transmit power is limited to a maximum of 2.5W.Follow these steps to use the alkaline battery tray:1) Hold the lower part of the tray in one hand with the three battery contacts facing down. Use your thumb to hold the notch on the lower part of the tray.2) With your other hand, grip the upper part of the tray and lift the cover open. 3) Align the batteries’ positive and negative terminals with the drawing on the tray and snap each battery into place.4) Insert the two hooks on the lower part of the tray into the notches on the cover; close the cover. (The cover ts snugly but you should not have to force it closed.)5) Install the alkaline battery tray in your radio just as you do the Li-Ion Polymer battery (see page E-15).WARNING! The tray is designed to prevent the accidental charging of alkaline batteries. Never use alkaline batteries in the radio without the alkaline battery tray. Do not attempt to modify the battery tray design.
E-18 Uniden MHS126 Radio Owner’s ManualMounting the ChargerYou can mount the charger on any at surface.1) Use the two holes at the base of the charger as a template to mark the drill holes. 2) Using a 1/8-inch (or 3 mm) drill bit, drill two holes 1/2 inch (13mm) deep.3) Use the provided screws to attach the charger to the surface.Charging the BatteryYour radio includes a charger and a rechargeable battery pack. Place your radio in the charger with the display facing forward. Make sure that the CHARGE LED on the charger turns orange.Cautions: Use only the battery and charger supplied with this radio. Using a different charger or battery can damage the radio and create a risk of re or shock. The charger is not waterproof. If the charger falls into the water, unplug it before attempting to remove it from the water. After you remove the charger from the water, please contact our Customer Care Line. Wipe off dirt or shake water from your radio before placing in the charger if your radio gets dirty or wet.
E-19Uniden MHS126 Radio Owner’s ManualImportant notes on charging the battery Charge the battery fully before using the radio. When the battery is completely charged, the CHARGE LED turns green. Don’t use the charger when the ambient temperature is below 0° C (32° F) or above 45° C (113° F). If the radio is powered down, the battery can charge in about seven hours. (If the radio is powered on, the battery takes longer to charge.)Attaching the Belt ClipTo attach the belt clip:1) Rotate the belt clip so that the nger indentation is towards the top of the radio.2) Align the center of the clip with the anchor post. 3) Place the clip on the post and slide the clip upwards until it clicks into place. To remove the belt clip:1) Rotate the clip so that the nger indentation is towards the bottom of the radio. 2) Slide the clip up until it comes free of the anchor post.
E-20 Uniden MHS126 Radio Owner’s ManualUsing Your RadioTurning It On Press and hold POWER for at least two seconds to turn the radio on. Press and hold POWER again to turn the unit off.Setting It UpEven though you can change your radio’s settings at any time, you will probably want to establish initial settings after you have turned it on for the rst time. You will adjust some of these settings on an as-needed basis, but some settings might only need to be set once. Changing the volume To change the speaker volume, press VOL/SQ to enter Volume Setting mode. O (for volume level 0 - 9) displays. Press CHANNEL UP or CHANNEL DOWN to increase or decrease the volume levels. Press VOL/SQ to save.Setting the Squelch levelThe MHS126 recognizes signals as transmissions if they exceed a signal strength threshold. Weak signalsNo SquelchMedium SquelchHigh SquelchStrong signalsNoise
E-21Uniden MHS126 Radio Owner’s ManualAdjusting the squelch sets this threshold level. Increasing squelch requires a signal to be stronger to be seen as a transmission. If you set the squelch too high, you will risk not receiving transmissions that are lower than that threshold. Reducing the squelch allows weaker signals to be accepted. However, if you lower the squelch too much, you will hear white noise all the timeWhile listening to a channel, press and hold VOL/SQ to enter Squelch Setting mode.The SQUELCH Level (S0)number displays on the LCD. Press CHANNEL UP or CHANNEL DOWN to increase or decrease the squelch levels (0 - 3). Press VOL/SQ to save the setting. #Note: Setting the squelch level too high may prevent you from hearing weaker transmissions. If you are having difculty hearing a transmission, try setting the squelch level lower.Reading volume and squelch level on battery iconWhen you adjust the volume or squelch levels, the 4 bars on the battery icon display according to the volume and squelch levels. For example, two bars display for VOL levels 3 and 4, and Squelch level 2..7 - 95 - 63 - 41 - 2VOL Level(0 - 9)SQ Level(0 - 3)3210No bars Squelch
E-22 Uniden MHS126 Radio Owner’s ManualSetting the UIC channel mode (USA/CAN/INT)You can select marine channels for the USA, Canada, or International waters. Press UIC/LOCK to scroll through USA, CANada, or INTernational channel options. Using the WX ModePress WX/ALERT to switch to WX mode; you can then listen to one of the 9 weather channels. Press and hold WX/ALERT to turn on Weather Alert mode. The radio then monitors the current weather channel and alerts you to any broadcast weather alerts or notications. The icon displays to indicate that WX Alert is on.Making a TransmissionSelecting a channelPress Channel Up and Channel Down briey to scroll through the channels one channel at a time. Press and hold Channel Up or Channel Down to quickly scroll through the channels.Making a transmissionPress and hold Push to Talk.TX displays while you are transmitting. Release Push to Talk when you’re nished talking to let the other party respond. To prevent stuck microphone problems or situations where Push to Talk is pushed accidentally, the radio limits your talk time to 5 minutes in a single transmission. For the best sound quality, hold the microphone about two inches away from your mouth.
E-23Uniden MHS126 Radio Owner’s Manual Some marine channels and Weather mode channels are Receive Only. See page E-27 for a list of receive-only channels. #There is a 5 minute limit for continuous transmission. After 5 minutes the unit goes into a PTT error condition; the timeout tone sounds, TX displays, and the channel indicators blink. Boosting the transmission powerIn most situations, 1W transmission power is all you need. If you nd yourself far away from other stations and have trouble getting a response, you may need to boost the transmission power from 1W to 2.5W or 6W. #Alkaline battery boost is limited to 2.5W #Channels 75 and 76 are 1W only and do not have power override capability.1) Select the channel you want to transmit on. 2) Press L/M/H to switch to the next transmission power level (for example, from 1W to 2.5W; from 2.5W to 6W, or from 6W back to 1W).3) The display shows the new transmission power. The transmit power remains at the new setting until you change it again. #Don’t forget to change the transmission setting back to 1W when you move close to other stations. Some channels (for example, channels 13 and 67) limit the transmission power to 1W. When you tune to a limited-power channel, the radio automatically switches to 1W. See page E-27 for a list of power-restricted channels.
E-24 Uniden MHS126 Radio Owner’s ManualSaving Channels to MemoryIf you nd a channel you like and want to listen to it again, save it to memory. Press MEM/SOS; the active channel is stored in memory and MEM displays. Press SCAN DUAL to scan the channels in memory. #You must have at least 2 channels in memory in order to use Scan mode. Channel 70 and WX channels cannot be stored into memory.Press SCAN/DUAL again to remove the channel from memory.Special FeaturesUsing the Strobe SOS Light/FlashlightYou can use this radio in an emergency. If you turn on the strobe SOS high-intensity LED light on your radio, your radio will blink “S O S” in international Morse Code. This will make it easier for rescuers to nd you faster. #Your radio operates normally when the SOS LED strobe is activated.With the SOS LED in this state - Do This - For this -OFF Press and hold Mem/SOS for 2 seconds.SOS LED signals SOS in Morse code.SOS Press and hold Mem/SOS for 2 seconds.SOS LED remains on continuously. (Flashlight mode)Continuous Press and hold Mem/SOS for 2 seconds. SOS LED turns off.
E-25Uniden MHS126 Radio Owner’s ManualTurning the key beep on and offKey beep is the tone that sounds when you press a key or a button. You cannot change the key beep volume.To turn key beep on or off, press and hold Channel up or Channel down while turning on the radio. You may need to turn off the radio rst. Setting Key LockYou can lock and unlock the keypad by pressing and holding UIC/LOCK. If Key Lock is on, only PTT, Boost, and power on/off will operate. Key Lock remains in memory when the radio is turned off.Key Lock will automatically turn off if a WX Alert signal is received.Using the external speaker/Mic jackYou can connect an optional external speaker-mic to this watertight jack. Unscrew the cap, which is held by the rubber cap-keeper to prevent loss. Insert the special gasketed plug and screw down the shell, which prevents water from entering the jack.For details, consult your dealer or contact Uniden Customer Care directly (see back cover for contact information).Using the Battery Save featureThe Battery Save feature automatically turns off receive power at regular intervals to save battery power. Battery Save turns of when receiving transmissions or transmitting a response. It reactivates after 3 seconds of no activity (transmit or receive).
E-26 Uniden MHS126 Radio Owner’s Manual #Battery Save does not work while in Scan mode or in Triple/Dual watch, and while WX alert is active.
E-27Uniden MHS126 Radio Owner’s ManualMaintenance and TroubleshootingDue to its rugged design, your radio requires very little maintenance. However, it is a precision electronic instrument, so you should follow a few precautions: If the antenna has been damaged, do not transmit except in an emergency situation. Transmitting with a defective antenna may cause further radio damage. You are responsible for continued FCC technical compliance of your radio.Common QuestionsProblem Things to TryThe radio won’t turn on. Charge the radio.The power LED on the charger doesn’t turn on.– Don’t use the charger when the ambient temperature is below 0° C (32° F) or above 45° C (113° F).– Make sure the charging contacts on the radio and charger are clean.– Replace the battery.The radio won’t transmit.Make sure you are not in Weather or Scan mode.Make sure you are not trying to transmit on a receive-only channel or transmit at the wrong power level for this channel (see the channel lists starting on page E-27).Check the battery power level; if it’s low, charge the battery before trying to transmit.Make sure the duration of each transmission is less than 5 minutes.
E-28 Uniden MHS126 Radio Owner’s ManualProblem Things to TryI can’t hear anything from the speaker. Adjust the squelch level; it is probably too high.The sound is mufed or the volume is low. Clear water from the speaker grill.Noise comes out of the speaker all the time. Adjust the squelch level; it is probably too low.I can transmit, but no one can hear me.Check your UIC channel settings: does the area you are in use different channel assignments?I’m not getting hazard alerts. Make sure Weather Alert Watch is turned on. The display ashes, and I don’t know why.The channel number on the display will ash if the radio is in a Watch mode or in Scan mode. Try turning off scanning, Weather Alert Watch, Triple Watch, or Dual Watch (see page E-8).Where can I nd my radio’s serial number?The serial number is on a plate inside the battery compartment.
E-29Uniden MHS126 Radio Owner’s ManualSpecicationsGeneralChannels All US/International/Canada marine channels9 Weather channelsFreq. Control PLLFreq. Tol. Transmit: 0.5 PPM (at 25°C) nominalReceive: 0.5 PPM (at 25°C) nominalOper. Temp. -4°F (-20°C) to +122°F(+50°C)Antenna Flexible WhipMicrophone Built-in Electret typeDisplay Liquid Crystal DisplaySpeaker 8Ω 1.0 WattPower Source Rechargeable Lithium Ion Battery 7.4V 1160 mAhSize (without antenna) 5.95 (H) x 2.40 (W) x 1.69 (D) inch142 (H) x 61 (W) x 43 (D) mmWeight 9.9 oz (281g) (w/battery and antenna)TransmitterFrequency Range 156~158 MHzFrequency Stability ±3 PPM (nominal)Power Output 1.0 W & 2.5W & 6WSpurious Emissions 70 dBmCurrent Drain 1400 mA (6W) nominalReceiverTypeDouble Conversion Super HeterodynePhase Locked Loop system for Local OscillatorFrequency Range 156~164 MHzSensitivity 0.22 μV for 12dB SINAD (nominal)
E-30 Uniden MHS126 Radio Owner’s ManualSquelch Sensitivity Threshold 0.18 μV (nominal)Audio Frequency Response +5.0 dB @ 500 Hz; -6 dB @ 2000Hz (nominal)Adjacent Channel Selectivity 80 dB @ ±25 kHz (nominal)Audio Output Power 1.0 W @10% THD (nominal)Current Drain Squelched: 38 mA; Max. Audio: 230 mA (nominal)
E-31Uniden MHS126 Radio Owner’s ManualChannels and Frequencies (MHz)US Channel Frequencies and NamesUS Marine ChannelsCh RX Freq TX Freq Status Name1A 156.050 156.050 Simplex Vessel trafc system/commercial5A 156.250 156.250 Simplex Vessel trafc system/commercial6 156.300 156.300 Simplex Inter-ship safety7A 156.350 156.350 Simplex Commercial8 156.400 156.400 Simplex Commercial9 156.450 156.450 Simplex Non commercial10 156.500 156.500 Simplex Commercial11 156.550 156.550 Simplex Vessel trafc system12 156.600 156.600 Simplex Vessel trafc system13 156.650 156.650 Simplex, 1W Bridge to bridge14 156.700 156.700 Simplex Vessel trafc system15 156.750 Inhibit Receive only Environmental16 156.800 156.800 Simplex Distress, safety, and calling17 156.850 156.850 Simplex, 1W Govt maritime control18A 156.900 156.900 Simplex Commercial19A 156.950 156.950 Simplex Commercial20 161.600 157.000 Duplex Port operation20A 157.000 157.000 Simplex Port operation21A 157.050 157.050 Simplex Coast guard only22A 157.100 157.100 Simplex Coast guard23A 157.150 157.150 Simplex Coast guard only24 161.800 157.200 Duplex Marine operator25 161.850 157.250 Duplex Marine operator26 161.900 157.300 Duplex Marine operator27 161.950 157.350 Duplex Marine operator28 162.000 157.400 Duplex Marine operator63A 156.175 156.175 Simplex Vessel trafc system
E-32 Uniden MHS126 Radio Owner’s ManualUS Marine ChannelsCh RX Freq TX Freq Status Name65A 156.275 156.275 Simplex Port operation66A 156.325 156.325 Simplex Port operation67 156.375 156.375 Simplex, 1W Bridge To Bridge68 156.425 156.425 Simplex Non Commercial69 156.475 156.475 Simplex Non Commercial70 156.525 Inhibit Receive only Digital Selective Calling71 156.575 156.575 Simplex Non Commercial72 156.625 156.625 Simplex Non Commercial (Ship-Ship)73 156.675 156.675 Simplex Port Operation74 156.725 156.725 Simplex Port Operation75 156.775 156.775 Simplex, 1W Port Operation76 156.825 156.825 Simplex, 1W Port Operation77 156.875 156.875 Simplex, 1W Port Operation (Ship-Ship)78A 156.925 156.925 Simplex Non Commercial79A 156.975 156.975 Simplex Commercial80A 157.025 157.025 Simplex Commercial81A 157.075 157.075 Simplex Coast Guard82A 157.125 157.125 Simplex Coast Guard83A 157.175 157.175 Simplex Government84 161.825 157.225 Duplex Marine Operator85 161.875 157.275 Duplex Marine Operator86 161.925 157.325 Duplex Marine Operator87 157.375 157.375 Simplex Marine Operator88 157.425 157.425 Simplex Commercial (Ship-Ship)Canadian Channel Frequencies and NamesCanadian Marine ChannelsCh RX Freq TX Freq Status Name1 160.650 156.050 Duplex Marine Operator
E-33Uniden MHS126 Radio Owner’s ManualCanadian Marine ChannelsCh RX Freq TX Freq Status Name2 160.700 156.100 Duplex Marine Operator3 160.750 156.150 Duplex Marine Operator4A 156.200 156.200 Simplex Canadian Coast Guard5A 156.250 156.250 Simplex Vessel Trafc System6 156.300 156.300 Simplex Inter-Ship Safety7A 156.350 156.350 Simplex Commercial8 156.400 156.400 Simplex Commercial9 156.450 156.450 Simplex Boater Calling Channel10 156.500 156.500 Simplex Commercial11 156.550 156.550 Simplex Vessel Trafc System12 156.600 156.600 Simplex Vessel Trafc System13 156.650 156.650 Simplex, 1W Bridge To Bridge14 156.700 156.700 Simplex Vessel Trafc System15 156.750 156.750 Simplex, 1W Environmental16 156.800 156.800 Simplex Distress, safety, calling17 156.850 156.850 Simplex, 1W State Control18A 156.900 156.900 Simplex Commercial19A 156.950 156.950 Simplex Canadian Coast Guard20 161.600 157.000 Duplex, 1W Port Operation21A 157.050 157.050 Simplex Canadian Coast Guard22A 157.100 157.100 Simplex Canadian Coast Guard23 161.750 157.150 Duplex Canadian Coast Guard24 161.800 157.200 Duplex Marine Operator25 161.850 157.250 Duplex Marine Operator26 161.900 157.300 Duplex Marine Operator27 161.950 157.350 Duplex Marine Operator28 162.000 157.400 Duplex Marine Operator60 160.625 156.025 Duplex Marine Operator61A 156.075 156.075 Simplex Canadian Coast Guard62A 156.125 156.125 Simplex Canadian Coast Guard63A 156.175 156.175 Simplex Port Operation
E-34 Uniden MHS126 Radio Owner’s ManualCanadian Marine ChannelsCh RX Freq TX Freq Status Name64 160.825 156.225 Duplex Marine Operator64A 156.225 156.225 Simplex Port Operation65A 156.275 156.275 Simplex Port Operation66A 156.325 156.325 Simplex, 1W Port Operation67 156.375 156.375 Simplex Bridge To Bridge68 156.425 156.425 Simplex Non Commercial69 156.475 156.475 Simplex Non Commercial70 156.525 Inhibit Receive only Digital Selective Calling71 156.575 156.575 Simplex Non Commercial72 156.625 156.625 Simplex Non Commercial73 156.675 156.675 Simplex Port Operation74 156.725 156.725 Simplex Port Operation75 156.775 156.775 Simplex, 1W Port Operation76 156.825 156.825 Simplex, 1W Port Operation77 156.875 156.875 Simplex, 1W Port Operation78A 156.925 156.925 Simplex Inter Ship79A 156.975 156.975 Simplex Inter Ship80A 157.025 157.025 Simplex Inter Ship81A 157.075 157.075 Simplex Canadian Coast Guard82A 157.125 157.125 Simplex Canadian Coast Guard83 161.775 157.175 Duplex Canadian Coast Guard83A 157.175 157.175 Simplex Canadian Coast Guard84 161.825 157.225 Duplex Marine Operator85 161.875 157.275 Duplex Marine Operator86 161.925 157.325 Duplex Marine Operator87 157.375 157.375 Simplex Port Operation88 157.425 157.425 Simplex Port Operation
E-35Uniden MHS126 Radio Owner’s ManualInternational Channel Frequencies and NamesInternational Marine ChannelsCh RX Freq TX Freq Status Name1 160.650 156.050 Duplex Marine operator2 160.700 156.100 Duplex Marine operator3 160.750 156.150 Duplex Marine operator4 160.800 156.200 Duplex Marine operator5 160.850 156.250 Duplex Marine operator6 156.300 156.300 Simplex Inter-ship safety7 160.950 156.350 Duplex Marine operator8 156.400 156.400 Simplex Commercial (ship-ship)9 156.450 156.450 Simplex Boater calling channel10 156.500 156.500 Simplex Commercial11 156.550 156.550 Simplex Vessel trafc system12 156.600 156.600 Simplex Vessel trafc system13 156.650 156.650 Simplex Bridge to bridge14 156.700 156.700 Simplex Vessel trafc system15 156.750 156.750 Simplex, 1W Environmental16 156.800 156.800 Simplex Distress, safety, calling17 156.850 156.850 Simplex, 1W Govt maritime control18 161.500 156.900 Duplex Port operation19 161.550 156.950 Duplex Commercial20 161.600 157.000 Duplex Port operation21 161.650 157.050 Duplex Port operation22 161.700 157.100 Duplex Port operation23 161.750 157.150 Duplex Marine operator24 161.800 157.200 Duplex Marine operator25 161.850 157.250 Duplex Marine operator26 161.900 157.300 Duplex Marine operator27 161.950 157.350 Duplex Marine operator28 162.000 157.400 Duplex Marine operator60 160.625 156.025 Duplex Marine operator61 160.675 156.075 Duplex Marine operator62 160.725 156.125 Duplex Marine operator
E-36 Uniden MHS126 Radio Owner’s ManualInternational Marine ChannelsCh RX Freq TX Freq Status Name63 160.775 156.175 Duplex Marine operator64 160.825 156.225 Duplex Marine operator65 160.875 156.275 Duplex Marine operator66 160.925 156.325 Duplex Marine operator67 156.375 156.375 Simplex Bridge to bridge68 156.425 156.425 Simplex Non commercial69 156.475 156.475 Simplex Non commercial70 156.525 Inhibit Receive only Digital Selective Calling71 156.575 156.575 Simplex Non commercial72 156.625 156.625 Simplex Non commercial73 156.675 156.675 Simplex Port operation74 156.725 156.725 Simplex Port operation75 156.775 156.775 Simplex, 1W Port operation76 156.825 156.825 Simplex, 1W Port operation77 156.875 156.875 Simplex Port operation (ship-ship)78 161.525 156.925 Duplex Port operation79 161.575 156.975 Duplex Port operation80 161.625 157.025 Duplex Port operation81 161.675 157.075 Duplex Port operation82 161.725 157.125 Duplex Port operation83 161.775 157.175 Duplex Port operation84 161.825 157.225 Duplex Marine operator85 161.875 157.275 Duplex Marine operator86 161.925 157.325 Duplex Marine operator87 157.375 157.375 Simplex Marine operator88 157.425 157.425 Simplex Marine operator
E-37Uniden MHS126 Radio Owner’s ManualWeather Channel Frequencies and NamesChannel RX Channel RXWX01 162.5500 WX06 162.5000 WX02 162.4000 WX07 162.5250 WX03 162.4750 WX08 161.6500 WX04 162.4250 WX09 161.7750 WX05 162.4500
E-38 Uniden MHS126 Radio Owner’s ManualRegulations and Safety WarningsMaritime Radio Services OperationWarning! This transmitter will operate on channels/frequencies that have restricted use in the United States. The channel assignments include frequencies assigned for exclusive use of the U.S. Coast Guard, use in Canada, and use in international waters. Operation on these frequencies without proper authorization is strictly forbidden. See page E-31 for tables of the available channels and their uses. If you are still not certain which channels to use, see the FCC maritime radio page at the FCC website (http://wireless.fcc.gov/marine/) or contact the FCC Call Center at 1-888-CALL-FCC. For individuals requiring a license, such as commercial users, you should obtain a license application from your nearest FCC eld ofce (for US users) or Industry Canada (for Canadian users). Basic Radio GuidelinesYou should familiarize yourself with the rules on marine radios and be aware of which rules apply to your boat. Complete guidelines for all ship and marine radio types can be found at the US Coast Guard website under the topic Radio Info for Boaters (the direct link is http://www.navcen.uscg.gov/marcomms/boater.htm). Here are a few guidelines that affect nearly all boaters.If you have a VHF radio on your boat, you must maintain a watch on channel 16 (156.800 MHz) whenever the radio is not being used to communicate. Starting in 2004, if a radio is carried, it must be on and set to channel 16. Whenever your boat is underway.If you hear a distress call, wait a few minutes to let a shore station or Coast Guard vessel respond. If no other station has responded after 5 minutes, you must respond to the distress call. WARNING! Read this information before using the radio.
E-39Uniden MHS126 Radio Owner’s ManualDo not make false mayday or distress calls as a prank or to test your radio. (This is essentially like making a false 9-1-1 call; you may be subject to nes.)Certication: FCC Part 80 or RSS-182Output Power: 6WEmission: 16K0F3ETransmitter Frequency Range: 156.025-157.425 MHzThis device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference.Unauthorized changes or modications to this equipment may void compliance with the FCC Rules. Any change or modication must be approved in writing by Uniden. Changes or modications not approved by Uniden could void the user’s authority to operate the equipment.In August 1996 the Federal Communications Commission (FCC) of the United States with its action in Report and Order FCC 96-326 adopted an updated safety standard for human exposure to radio frequency electromagnetic energy emitted by FCC regulated transmitters. Those guidelines are consistent with the safety standard previously set by both U.S. and international standards bodies. The design of the radio complies with the FCC guidelines and these international standards.Never allow children to operate the radio without adult supervision and the knowledge of the following guidelines.WARNING! It is up to the user to properly operate this radio transmitter to insure safe operation. Please adhere to the following:Use only the supplied or an approved antenna. Unauthorized antennas, modications, or attachments could impair call quality, damage the radio, or violate FCC regulations.
E-40 Uniden MHS126 Radio Owner’s ManualDo not use the radio with a damaged antenna. If a damaged antenna comes into contact with the skin, a minor burn may result. Please contact your local dealer for a replacement antenna.To maintain compliance with FCC RF exposure requirements, the radio must be used with a maximum duty cycle not exceeding 50% in a typical push-to-talk radio use time. DO NOT transmit for more than 50% of total radio use time.This device was tested for typical body-worn operations using the supplied belt-clip. To maintain compliance with FCC RF exposure requirements, body-worn operations are restricted to the supplied belt-clip. For hand-held operation, the radio should be held 1 inch from the user’s face. The use of accessories that do not satisfy these requirements may not comply with FCC RF exposure requirements and should be avoided. For more information about RF exposure, please visit the FCC website at www.fcc.gov.This equipment contains a rechargeable Lithium-Ion Polymer battery. The rechargeable Lithium-Ion Polymer battery contained in this equipment may explode if disposed of in a re.Do not short-circuit the battery.Do not charge the rechargeable battery used in this equipment in any charger other than the one specied in the owner’s manual. Using another charger may damage the battery or cause the battery to explode.NOTE: Li-Ion Polymer batteries must be recycled or disposed of properly.Avoid exposing the battery (whether attached to the radio or not) to direct sunlight, heated cars, or temperatures below -4°F (-20°C) or above +140°F (+60°C). Exposing the chemical contained within the battery pack to temperatures above +140°F (+60°C) may cause the battery to rupture, fail, or reduce performance.
In case of exposure to the cell contents, wash the affected area thoroughly, and seek medical attention.As part of our commitment to protect the environment and conserve natural resources, Uniden voluntarily participates in an RBRC® industry program to collect and recycle used Li-Ion Polymer batteries within the US.Please call 1-800-8-BATTERY for information on Li-Ion Polymer battery recycling in your area.(RBRC® is a registered trademark of the Rechargeable Battery Recycling Corporation.)WARRANTOR: UNIDEN AMERICA CORP. (“Uniden”) ELEMENTS OF WARRANTY: Uniden warrants, for three years, to the original retail owner, this Uniden Product to be free from defects in materials and craftsmanship with only the limitations or exclusions set out below. WARRANTY DURATION: This warranty to the original user shall terminate and be of no further effect 36 months after the date of original retail sale. The warranty is invalid if the Product is (A) damaged or not maintained as reasonable or necessary, (B) modied, altered, or used as part of any conversion kits, subassemblies, or any congurations not sold by Uniden, (C) improperly installed, (D) serviced or repaired by someone other than an authorized Uniden service center for a defect or malfunction covered by this warranty, (E) used in any conjunction with equipment or parts or as part of any system not manufactured by Uniden, or (F) installed or programmed by anyone other than as detailed by the Operating Guide for this product. STATEMENT OF REMEDY: In the event that the product does not conform to this warranty at any time while this war-ranty is in effect, warrantor will repair the defect and return it to you without charge for
parts, service, or any other cost (except shipping and handling) incurred by warrantor or its representatives in connection with the performance of this warranty. THE LIMITED WARRANTY SET FORTH ABOVE IS THE SOLE AND ENTIRE WARRANTY PERTAINING TO THE PRODUCT AND IS IN LIEU OF AND EXCLUDES ALL OTHER WARRANTIES OF ANY NATURE WHATSOEVER, WHETHER EXPRESS, IMPLIED OR ARISING BY OPERATION OF LAW, INCLUDING, BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. THIS WARRANTY DOES NOT COVER OR PROVIDE FOR THE REIMBURSEMENT OR PAYMENT OF INCIDENTAL OR CONSEQUENTIAL DAMAGES. Some states do not allow this exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you. LEGAL REMEDIES: This warranty gives you specic legal rights, and you may also have other rights which vary from state to state. This warranty is void outside the United States of America. PROCEDURE FOR OBTAINING PERFORMANCE OF WARRANTY: If, after following the instructions in this Operating Guide you are certain that the Product is defective, pack the Product carefully (preferably in its original packaging). Include evidence of original purchase and a note describing the defect that has caused you to return it. The Product should be shipped freight prepaid, by traceable means, or delivered, to warrantor at:Uniden America Corporation Parts and Service Division 4700 Amon Carter Boulevard Fort Worth, TX, 76155(800) 554-3988
U01UT644AZZ(0)QUESTIONS?Contactez-nous au www.uniden.com ou appelez 1-800-297-1023.Imprimé au VietnamQUESTIONS?Visit our website at www.uniden.com or call 1-800-297-1023.Printed in Vietnam

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