Uniden MHS050-2 User Manual

FLOATING VHF MARINE RADIO
RADIO VHF MARITIME FLOTTANTE
MHS050-2
OWNER’S MANUAL GUIDE D’UTILISATION
MAKING A DISTRESS CALL
For future reference, write your boat’s name & call sign here:
1. Make sure your radio is on.
2. Press the MHz). (If the display does not show 16, press the button again until it does.)
3. Press the MAYDAY -- MAYDAY.”
4. Say “THIS IS {name of your boat (three times) and call sign/ boat registration number (once)}.
5. Repeat “MAYDAY {name of your boat}” once.
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. sinking, medical emergency, man overboard, on fire, adrift, etc.).
8. State the type of assistance you need (medical, towing, pumps, etc.).
9. Give the number of persons aboard and describe the condition of any injured persons.
10. Estimate present seaworthiness of your ship (e.g. how immediate is the danger due to flooding or fire).
11. Briefly describe your ship, giving ship name (i.e., “Blue Duck is 32 foot cabin cruiser, white hull, blue deck house”).
12. Say: “I WILL BE LISTENING ON CHANNEL 16.
13. End the message by saying “THIS IS {name or call sign of your boat}, OVER.”
14. Release the
If you do not get an answer after 30 seconds, repeat your call beginning at step 3 above.
16/9-TRI button to switch to Channel 16 (156.8
16/9-TRI
Push to Talk button and say: “MAYDAY --
Push to Talk button and listen.
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FAIRE UN APPEL DE DÉTRESSE
Pour toute référence ultérieure, transcrivez ci-dessous le nom et l’indicatif d’appel de votre bateau:
Parlez lentement – clairement – calmement.
1. Vérifiez si votre radio est en marche.
2. Appuyez sur la touche 16/9-TRI du microphone afin de commuter au canal 16 (156,8 MHz). (Si le canal 16 n’apparaît pas à l’affichage, appuyez de nouveau sur la touche 16/9-TRI jusqu’à ce qu’il soit affiché.)
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’identification 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’aide 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 une inondation, et une incendie.
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 rouffle 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
.
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TABLE OF CONTENTS
MHS050-2 INTRODUCTION ................................................................ 6
FEATURES ........................................................................................ 6
GETTING STARTED ............................................................................ 7
WHAT’S INCLUDED ......................................................................... 7
CONTROLS AND INDICATORS ....................................................... 8
GETTING STARTED ............................................................................ 9
CONNECTING POWER .................................................................... 9
INSTALL THE BATTERY PACK ....................................................... 9
CHARGING THE BATTERY PACK ................................................. 10
BATTERY LEVEL DISPLAY .............................................................11
ATTACHING THE BELTCLIP .......................................................... 12
USING THE CARABINER CLIP ...................................................... 12
OPERATION ...................................................................................... 12
BASICS ........................................................................................... 12
POWER ON/OFF ................................................................................ 12
VOLUME ............................................................................................. 12
SELECT A CHANNEL ........................................................................13
SET SQUELCH ................................................................................... 13
SRT CHANNEL MODE ....................................................................... 14
TRANSMITTING AND RECEIVING ................................................ 14
ONE-TOUCH CHANNEL 16/9 ............................................................ 15
TRIPLE WATCH .................................................................................. 15
SCANNING ...................................................................................... 15
STORING SCANNED CHANNELS .................................................... 16
MONITOR ........................................................................................ 16
DROP-OUT DELAY ............................................................................16
BATTERY SAVE ................................................................................. 16
BACKLIGHTING ................................................................................. 16
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KEYPAD LOCK .................................................................................. 17
MAINTENANCE & TROUBLESHOOTING ........................................ 17
COMMON QUESTIONS .................................................................. 17
SPECIFICATIONS ............................................................................. 18
CHANNELS AND FREQUENCIES (MHZ) ......................................... 20
US CHANNEL FREQUENCIES AND NAMES ................................ 20
CANADIAN CHANNEL FREQUENCIES AND NAMES .................. 21
INTERNATIONAL CHANNEL FREQUENCIES AND NAMES ........ 23
REGULATIONS AND SAFETY WARNINGS .................................... 26
RBRC INFORMATION .................................................................... 26
MARITIME RADIO SERVICES OPERATION ................................. 26
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
The MHS050-2 is a oating, waterproof, portable 2.5-watt two-way VHF marine transceiver. It is compact, lightweight, rugged, and ts easily in
your hand. This handheld VHF marine radio will give you consistent, outstanding performance in virtually all conditions and situations.
To ensure that you get the most from the MHS050-2 features, please read this operating guide carefully before using the unit.
FEATURES
• US,Canadian,andInternationalMarineChannels
• Built-inPrecisionMatchedAntenna
• Floating/WaterprooftoJIS8
• CarabinerClips
• Emergency16CH/09CHMode
• BatteryLevelDisplay (BatteryLowAlertsoundsevery5secondsatLevel1)
• MemoryScan
• TripleWatch
• TXPowerSelect
• ChannelSelect
• VolumeSelect
• 3-LevelSquelchSelectable
• KeyLockOn/O
• BatterySave
*Protected against the effects of continuous immersion in water. The MHS050-2 can withstand immersion in water up to 5 feet depth for 1 hour.
Note: This is not suitable for scuba diving.
The MHS050-2 will float when the carabiner clip is not
NOTE
connected and the battery cover is securely fastened.
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GETTING STARTED
ebsite:
WHAT’S INCLUDED
MHS050-2 Radio (2)
Beltclip
Dual Charging Cradle
(DTMHS2)
AC Adapter
(PS-0047)
For more exciting new products please visit our w
Australia: www.uniden.com.au New Zealand: www.uniden.co.nz
Carabiner Clip* (2)
NiMH Battery Pack (2)
(BP38)
Owner’s Manual
(Not Shown)
NOTE
If any of these items are missing or damaged, contact Uniden Customer Service (see back cover for contact information). For information on available accessories, visit www.uniden.com.
Uniden MHS050-2 Owner’s Manual
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CONTROLS AND INDICATORS
1
14
15
16 17 18
2 3
4 5
6 7
19
26
8 9
10 11
12 13
No. Description No. Description
1 Antenna 9 Volume Up/Down
2
PTT (Push-To-Talk) button
10
16/9 TRI (Triple Watch) button
3 Power Boost button 11
SQL/UIC (Squelch) button
4 Monitor button 12 Microphone
5 Channel Up/Down 13 Speaker
6
HI/LO (Transmit Power)/
14 Channel Indicator
Keylock button
7
SCAN/MEM (Memory)
15 Scan Indicator
button
8 Power Key 16 TX Indicator
20 21
22
23
24 25
27
28
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No. Description No. Description
TX LO/HI Power Indicator
17
Canada Channel Mode
18
Triple Watch Indicator
19
“A” Channel Indicator
20
Memory Indicator
21
Keylock Indicator
22
US Channel Mode
23
International Channel Mode
24
Battery Level Indicator
25
26 Charging Cradle
27 Charging Contacts
28 Charging Indicators
GETTING STARTED
CONNECTING POWER
The dual charging cradle uses a single AC adapter.
1. Connect the AC adapter to the DC 12 V jack on the rear of the charging cradle.
2. Plug the other end of the AC adaptor into a 120 VAC wall outlet.
The drop-in charger is not water proof. Ensure
the radio is dry before connecting to the charger.
NOTE
INSTALL THE BATTERY PACK
Your radio uses the supplied NiMH battery pack. To install the NiMH battery:
1. Make sure the radio is off.
2. Use a screwdriver to turn the battery compartment screw
3. Put the NiMH battery pack in the battery compartment, applying
Don’t use the charger when the ambient
temperature is below 32ºF (0ºC) or above 113ºF (45ºC).
counterclockwise and then lift up and remove the battery cover.
the battery contacts to the lower charge contacts. Be sure to follow the instructions written on the battery pack’s label.
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Installing the battery pack incorrectly will prevent the unit from operating.
Use only the supplied NiMH battery pack. Do not
CAUTION
charge alkaline or non rechargeable batteries.
5. Before placing the battery cover back on the radio, check the rubber seal around the battery compartment and the ribbon of the battery pack. Make sure that the seal is in good condition and that there is no foreign matter under the seal.
If the rubber seal appears worn, nicked, or dried out, replace it. Visit the website on the cover of this manual to order a replacement seal.
6. Replace the battery compartment door. Tighten the screws securely.
CHARGING THE BATTERY PACK
Your radio includes a charging cradle and a rechargeable battery pack. Follow these instructions to recharge the radio in the charging cradle.
For the initial battery charge, make sure the radio is off
NOTE
1. Connect the charging cradle to power. Refer to page 9.
2. Set the charging cradle on the desk or tabletop, and place the
for optimum charging.
radio in the charging cradle with the keypad facing forward.
3. Make sure that the LED illuminates. Charge the battery pack for 13 hours then remove the radio from the charging cradle.
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The charging cradle is not waterproof. If the
charging cradle falls into water, unplug it before attempting to remove it from the water. Allow the cradle to dry completely before reconnecting the
WARNING
power.
If your radio is soiled or wet, wipe off dirt or
shake water from your radio before placing it in the charging cradle.
BATTERY LEVEL DISPLAY
The battery icon at the bottom of the screen indicates the battery level (displayed as one of the 4 levels below) at all times.
Battery Level Icon Battery Level Icon
LEVEL 4 Battery100%
full
LEVEL 3 Battery approx.40%
capacity
LEVEL 2 Low Battery
LEVEL 1 (flashing) Empty Battery
(Battery Low Alert sounds every 5 seconds.)
When the PTT button is pressed at Level 1, an error tone sounds and transmission is disabled. Once at Level 1,
NOTE
the unit will shutdown automatically after 60 seconds.
Recharge the battery at any time. From empty, the battery requires 13 hours to fully charge. For faster
NOTE
charging, turn off the radio.
Battery Life: 12 Hours (Typical) This is based on the following Duty Cycle:
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Condition % Duty Cycle
HI
Transmit (Low Power) 5%
Receive 5%
Stand-by 90%
ATTACHING THE BELTCLIP
To attach the belt clip:
Slide the belt clip until it snaps into place.
To remove the belt clip:
Press and hold down the belt clip lock while simultaneously sliding it upward until it releases.
USING THE CARABINER CLIP
Use the carabiner clip to conveniently secure the radio to a belt or strap.
OPERATION
In order to get the most out of your new radio, read this owner’s manual completely before attempting to operate the unit.
BASICS
Power On/O
1. Press and hold to turn the radio ON. A channel number and battery level should appear on the display.
2. Press and hold to turn the radio OFF.
Volume
The volume level can be adjusted from U0 (no volume) to U 7 (maximum volume).
Press VO the volume level.
the current volume level ashes.
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or VO to increase or decrease
U shows on the display and
Select a Channel
Press CH or CH to scroll though the channels individually. Press and hold CH
or CH to scroll rapidly through the channel numbers. Refer to page 19 for a list of available channels and their corresponding frequencies and usage guidelines.
Set Squelch
Use squelch to eliminate any annoying background noise when there are no signals present.
Make sure to first select a channel not in use before
NOTE
setting the squelch.
Think of the squelch control as a gate. If
you increase the squelch level to maximum,
it raises the “Squelch Gate” so only the
strongest signals get through.
If you decrease the squelch level to minimum,
it lowers the “Squelch Gate”’ to the extent that
weak signals can get through.
If unwanted weak and noisy signals are
getting through, increase the squelch level
(raise the “Squelch Gate”) to a medium level.
Now only medium and strong signals get
through.
S1 - minimum squelch S2 - medium squelch
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S3 - maximum/tight squelch
HI
1. Press SQL/UIC.
S displays and the current squelch level
ashes.
2. Press
SQL/UIC
while the squelch level displays in order to change the squelch level to the next step.
3. Press and hold
SQL/UIC
to save and exit the
squelch setting.
SRT Channel Mode
Press and hold SQL/UIC to switch between USA, International, and Canadian Channel Modes.
TRANSMITTING AND RECEIVING
The radio uses U.S., Canadian, and International Marine Channels. Refer to page 19 for a list of the available channels and corresponding frequencies. The radio’s maximum RF transmit power is 2.5 W.
1. Hold the radio with microphone approximately 2 inches in front of your mouth with the antenna at approximately 45º angle away from your head. Speak in a clear, normal conversational voice.
2. Press HI/LO-LOCK to change the transmit power between High (2.5 W) and Low (1 W). HI displays when on high power and LO displays when on low power.
3. Before you transmit again, listen for activity on the selected channel.
4. When the channel is clear, press and hold PTT or BOOST to transmit. TX displays.
LO
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TX
LO
When you press BOOST and the transmit power is low
While monitor-
Press 16/9
Press 16/9 again
(
NOTE
LO - 1W), the radio transmits at maximum high power (HI -
2.5W) except for channels 75 and 76.
5. When you have finished speaking, release PTT or BOOST to listen for a response. TX then disappears.
One-touch Channel 16/9
ing CH 20, press 16/9 to monitor CH 16.
again to monitor CH 9.
LO LO
to monitor the original channel (CH 20).
Triple Watch
Triple Watch mode monitors channels 16 and 9 for a signal while you listen to the currently-selected channel. The marine radio checks channel 16 and 9 for activity every 2 seconds.
1. Press and hold TRI to activate Triple Watch.
2. Press and hold TRI again to exit Triple Watch.
While in Triple Watch mode, you can change the currently-
NOTE
selected channel using CH or CH .
SCANNING
The radio can scan the channels programmed into memory (see page 16). To initiate scanning:
1. Select channel 17.
2. Press SCAN and scanning starts. SCAN displays during scanning.
The radio will scan memory channels in ascending order.
If Triple Watch is turned on during the scan, the radio will scan the memory channels in ascending order. Check channel 9 and channel 16 every 2 seconds, and then resume scanning the memory channels.
Uniden MHS050-2 Owner’s Manual
SCAN MEM
LO
LO
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Storing Scanned Channels
1. Select the channel you want to store by pressing CH or CH .
2. Press and hold MEM. MEM displays and you hear a double beep.
3. To remove channels from Memory, press and hold MEM once more. A double beep sounds and MEM disappears.
MEM
LO
MONITOR
1. Press MON to start monitoring one channel with xed (open) squelch.
2. Press and hold MON for 2 seconds to hold the monitor status on. All channel indicators will start to flash.
3. Press MON again to release the monitoring status.
LO
NOTE
Monitor is not available in Scan or Triple Watch modes.
Drop-out Delay
While scanning, the radio stops on channels when it receives a signal. When the received signal is over, the unit provides a drop-out delay of 2 seconds for the return of the signal. After 2 seconds, if the signal does not return, the radio resumes scanning.
Baery Save
This feature extends the battery life by switching the receiver circuit power on and off. Battery Save automatically activates during standby mode (RX mode without signal).
Backlighng
The Liquid Crystal Display (LCD) is backlit for easy viewing at night or in low light situations. Backlighting automatically
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switches on every time a key is pressed (except PTT and BOOST) and off 10 seconds after the last key is pressed.
Keypad Lock
To prevent accidental entries, you can lock the keypad. Press and hold HI-LO/LOCK until it beeps to activate Key Lock. When Key Lock is active, a warning beep sounds and
LOCK
blinks if you try to press any keys other
LOCK
displays on the LCD.
LO
LOCK
than PTT, BOOST, and MON. The radio retains Key Lock status even when you cycle power
on/off. To unlock the keypad, press and hold LOCK again.
LOCK
disappears.
MAINTENANCE & TROUBLESHOOTING
Due to its rugged design, your radio requires very little maintenance. However, it is a precision electronic instrument, so you should follow a few precautions:
x If the antenna has been damaged, do not transmit except in an
emergency situation. Transmitting with a defective antenna may cause further radio damage.
x You are responsible for continued FCC technical compliance of
your radio.
x You should arrange for periodic performance checks with your
Uniden dealer.
COMMON QUESTIONS
Problem Things to Try
The radio won’t turn on. Charge the radio.
Don’t use the charger when the
ambient temperature is below 32°F
The power LED on the charger doesn’t turn on.
(0°C) or above 113°F (45°C).
Make sure the charging contacts on
the radio and charger are clean.
Replace the battery.
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Problem Things to Try
Make sure you are not in scan mode.
Make sure you are not trying to
transmit on a receive-only channel or transmit at the wrong power level
The radio won’t transmit.
I can’t hear anything from the speaker. Noise comes out of the speaker all the time
I can transmit, but no one can hear me.
Where can I find my radio’s serial number?
for this channel (see the channel lists starting on page E-23).
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 3 minutes. Adjust the squelch level; it is probably too high. Adjust the squelch level; it is probably too low. Check your UIC channel settings: does the area you are in use different channel assignments? The serial number is on a plate inside the battery compartment.
SPECIFICATIONS
General
Channels
Frequency Control PLL Frequency Tolerance Transmit: 1.5 PPM (at 25°C)
Operating Temperature -4°F (-20°C) to +122°F (+50°C) Antenna Flexible Whip Microphone Built-in Electret type Display Liquid Crystal Display Speaker 16 Ω 0.2 W
All US, International, and Canada marine channels
Receive: 1.5 PPM (at 25°C)
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Power Source
Size (without antenna)
Rechargeable NiMH Battery Pack
4.8 V 700 mAh
8.98 (H) x 2.52 (W) x 1.54 (D) inch 228 (H) x 64 (W) x 39 (D) mm
Weight 8.53 oz (242g) (w/battery and antenna)
Transmitter
Frequency Range 156 ~ 158 MHz Frequency Stability ±2.5 PPM Power Output 1.0 W and 2.5 W Spurious Emissions -34 dBm on Hi; -39 dBm on Lo Current Drain 1100 mA (2.5 W)
Receiver
Double Conversion Super Heterodyne
Type
Phase Locked Loop system for Local Oscillator
Frequency Range 156 ~ 162 MHz Sensitivity 0.20 μV for 12 dB SINAD Squelch Sensitivity Threshold 0.12 μV Audio Frequency
Response Adjacent Channel
Selectivity
+6 dB @ 500 Hz; -6 dB @ 2000 Hz
70 dB @ ±25 kHz
Audio Output Power 0.16 W @10% THD Current Drain Squelched: 55 mA; Max. Audio: 175 mA
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E-19

US CHANNEL FREQUENCIES AND NAMES
US Marine Channels
Ch RX Freq TX Freq Status Name
1A 156.050 156.050 Simplex Vessel trafc system/commercial 5A 156.250 156.250 Simplex Vessel trafc system/commercial
6 156.300 156.300 Simplex Inter-ship safety
7A 156.350 156.350 Simplex Commercial
8 156.400 156.400 Simplex Commercial
9 156.450 156.450 Simplex Non commercial 10 156.500 156.500 Simplex Commercial 11 156.550 156.550 Simplex Vessel trafc system 12 156.600 156.600 Simplex Vessel trafc system 13 156.650 156.650 Simplex, 1W Bridge to bridge 14 156.700 156.700 Simplex Vessel trafc system 15 156.750 Inhibit Receive only Environmental 16 156.800 156.800 Simplex Distress, safety, and calling 17 156.850 156.850 Simplex, 1W Govt maritime control
18A 156.900 156.900 Simplex Commercial 19A 156.950 156.950 Simplex Commercial
20 161.600 157.000 Duplex Port operation
20A 157.000 157.000 Simplex Port operation 21A 157.050 157.050 Simplex Coast guard only 22A 157.100 157.100 Simplex Coast guard 23A 157.150 157.150 Simplex Coast guard only
24 161.800 157.200 Duplex Marine operator 25 161.850 157.250 Duplex Marine operator 26 161.900 157.300 Duplex Marine operator 27 161.950 157.350 Duplex Marine operator 28 162.000 157.400 Duplex Marine operator
63A 156.175 156.175 Simplex Vessel trafc system 65A 156.275 156.275 Simplex Port operation
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US Marine Channels
Ch RX Freq TX Freq Status Name
66A 156.325 156.325 Simplex Port operation
67 156.375 156.375 Simplex, 1W Bridge To Bridge 68 156.425 156.425 Simplex Non Commercial 69 156.475 156.475 Simplex Non Commercial 70 156.525 Inhibit Receive only Digital Selective Calling 71 156.575 156.575 Simplex Non Commercial 72 156.625 156.625 Simplex Non Commercial (Ship-Ship) 73 156.675 156.675 Simplex Port Operation 74 156.725 156.725 Simplex Port Operation 75 156.775 156.775 Simplex, 1W Port Operation 76 156.825 156.825 Simplex, 1W Port Operation
77 156.875 156.875 Simplex, 1W Port Operation (Ship-Ship) 78A 156.925 156.925 Simplex Non Commercial 79A 156.975 156.975 Simplex Commercial 80A 157.025 157.025 Simplex Commercial 81A 157.075 157.075 Simplex Coast Guard 82A 157.125 157.125 Simplex Coast Guard 83A 157.175 157.175 Simplex Government
84 161.825 157.225 Duplex Marine Operator
85 161.875 157.275 Duplex Marine Operator
86 161.925 157.325 Duplex Marine Operator
87 157.375 157.375 Simplex Marine Operator 88 157.425 157.425 Simplex Commercial (Ship-Ship)
CANADIAN CHANNEL FREQUENCIES AND NAMES
Canadian Marine Channels
Ch RX Freq TX Freq Status Name
1 160.650 156.050 Duplex Marine Operator 2 160.700 156.100 Duplex Marine Operator 3 160.750 156.150 Duplex Marine Operator
4A 156.200 156.200 Simplex Canadian Coast Guard
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Canadian Marine Channels
Ch RX Freq TX Freq Status Name
5A 156.250 156.250 Simplex Vessel Trafc System
6 156.300 156.300 Simplex Inter-Ship Safety
7A 156.350 156.350 Simplex Commercial
8 156.400 156.400 Simplex Commercial
9 156.450 156.450 Simplex Boater Calling Channel 10 156.500 156.500 Simplex Commercial 11 156.550 156.550 Simplex Vessel Trafc System 12 156.600 156.600 Simplex Vessel Trafc System 13 156.650 156.650 Simplex, 1W Bridge To Bridge 14 156.700 156.700 Simplex Vessel Trafc System 15 156.750 156.750 Simplex, 1W Environmental 16 156.800 156.800 Simplex Distress, safety, calling 17 156.850 156.850 Simplex, 1W State Control
18A 156.900 156.900 Simplex Commercial 19A 156.950 156.950 Simplex Canadian Coast Guard
20 161.600 157.000 Duplex, 1W Port Operation
21A 157.050 157.050 Simplex Canadian Coast Guard 22A 157.100 157.100 Simplex Canadian Coast Guard
23 161.750 157.150 Duplex Canadian Coast Guard 24 161.800 157.200 Duplex Marine Operator 25 161.850 157.250 Duplex Marine Operator 26 161.900 157.300 Duplex Marine Operator 27 161.950 157.350 Duplex Marine Operator 28 162.000 157.400 Duplex Marine Operator 60 160.625 156.025 Duplex Marine Operator
61A 156.075 156.075 Simplex Canadian Coast Guard 62A 156.125 156.125 Simplex Canadian Coast Guard 63A 156.175 156.175 Simplex Port Operation
64 160.825 156.225 Duplex Marine Operator
64A 156.225 156.225 Simplex Port Operation 65A 156.275 156.275 Simplex Port Operation 66A 156.325 156.325 Simplex, 1W Port Operation
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Canadian Marine Channels
Ch RX Freq TX Freq Status Name
67 156.375 156.375 Simplex Bridge To Bridge 68 156.425 156.425 Simplex Non Commercial 69 156.475 156.475 Simplex Non Commercial 70 156.525 Inhibit Receive only Digital Selective Calling 71 156.575 156.575 Simplex Non Commercial 72 156.625 156.625 Simplex Non Commercial 73 156.675 156.675 Simplex Port Operation 74 156.725 156.725 Simplex Port Operation 75 156.775 156.775 Simplex, 1W Port Operation 76 156.825 156.825 Simplex, 1W Port Operation 77 156.875 156.875 Simplex, 1W Port Operation
78A 156.925 156.925 Simplex Inter Ship 79A 156.975 156.975 Simplex Inter Ship 80A 157.025 157.025 Simplex Inter Ship 81A 157.075 157.075 Simplex Canadian Coast Guard 82A 157.125 157.125 Simplex Canadian Coast Guard
83 161.775 157.175 Duplex Canadian Coast Guard
83A 157.175 157.175 Simplex Canadian Coast Guard
84 161.825 157.225 Duplex Marine Operator 85 161.875 157.275 Duplex Marine Operator 86 161.925 157.325 Duplex Marine Operator 87 157.375 157.375 Simplex Port Operation 88 157.425 157.425 Simplex Port Operation
INTERNATIONAL CHANNEL FREQUENCIES AND NAMES
International Marine Channels
Ch RX Freq TX Freq Status Name
1 160.650 156.050 Duplex Marine operator 2 160.700 156.100 Duplex Marine operator
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E-23
International Marine Channels
Ch RX Freq TX Freq Status Name
3 160.750 156.150 Duplex Marine operator 4 160.800 156.200 Duplex Marine operator 5 160.850 156.250 Duplex Marine operator 6 156.300 156.300 Simplex Inter-ship safety 7 160.950 156.350 Duplex Marine operator 8 156.400 156.400 Simplex Commercial (ship-ship)
9 156.450 156.450 Simplex Boater calling channel 10 156.500 156.500 Simplex Commercial 11 156.550 156.550 Simplex Vessel trafc system 12 156.600 156.600 Simplex Vessel trafc system 13 156.650 156.650 Simplex Bridge to bridge 14 156.700 156.700 Simplex Vessel trafc system 15 156.750 156.750 Simplex, 1W Environmental 16 156.800 156.800 Simplex Distress, safety, calling 17 156.850 156.850 Simplex, 1W Govt maritime control 18 161.500 156.900 Duplex Port operation 19 161.550 156.950 Duplex Commercial 20 161.600 157.000 Duplex Port operation 21 161.650 157.050 Duplex Port operation 22 161.700 157.100 Duplex Port operation 23 161.750 157.150 Duplex Marine operator 24 161.800 157.200 Duplex Marine operator 25 161.850 157.250 Duplex Marine operator 26 161.900 157.300 Duplex Marine operator 27 161.950 157.350 Duplex Marine operator 28 162.000 157.400 Duplex Marine operator 60 160.625 156.025 Duplex Marine operator 61 160.675 156.075 Duplex Marine operator 62 160.725 156.125 Duplex Marine operator 63 160.775 156.175 Duplex Marine operator 64 160.825 156.225 Duplex Marine operator 65 160.875 156.275 Duplex Marine operator
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International Marine Channels
Ch RX Freq TX Freq Status Name
66 160.925 156.325 Duplex Marine operator
67 156.375 156.375 Simplex Bridge to bridge
68 156.425 156.425 Simplex Non commercial
69 156.475 156.475 Simplex Non commercial
70 156.525 Inhibit Receive only Digital Selective Calling
71 156.575 156.575 Simplex Non commercial
72 156.625 156.625 Simplex Non commercial
73 156.675 156.675 Simplex Port operation
74 156.725 156.725 Simplex Port operation
75 156.775 156.775 Simplex, 1W Port operation
76 156.825 156.825 Simplex, 1W Port operation
77 156.875 156.875 Simplex Port operation (ship-ship)
78 161.525 156.925 Duplex Port operation
79 161.575 156.975 Duplex Port operation
80 161.625 157.025 Duplex Port operation
81 161.675 157.075 Duplex Port operation
82 161.725 157.125 Duplex Port operation
83 161.775 157.175 Duplex Port operation
84 161.825 157.225 Duplex Marine operator
85 161.875 157.275 Duplex Marine operator
86 161.925 157.325 Duplex Marine operator
87 157.375 157.375 Simplex Marine operator
88 157.425 157.425 Simplex Marine operator
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REGULATIONS AND SAFETY WARNINGS
WARNING! Read this information before using the radio.
RBRC InfoRmatIon
As part of our commitment to protect the environment and conserve natural resources, Uniden voluntarily participates in an RBRC Ni-MH batteries within the US.
Please call 1-800-8-BATTERY for information on Ni-MH battery recycling in your area. (RBRC Rechargeable Battery Recycling Corporation.)
MARITIME RADIO SERVICES OPERATION
Warning! 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 pages 20 through 25 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).
®
industry program to collect and recycle used
®
is a registered trademark of the
E-26 Uniden MHS050-2 Owner’s Manual
BASIC RADIO GUIDELINES
You 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:
x 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.
x 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.
x Do 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 fines.)

x Certification: FCC Part 80 or RSS-182 x Output Power: 5W x Emission: 16K0F3E
x Transmitter Frequency Range: 156.025-157.425 MHz This 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.
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E-27

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:
x Use only the supplied or an approved antenna. Unauthorized
antennas, modifications, or attachments could impair call quality, damage the radio, or violate FCC regulations.
x Do 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.

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.
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,
E-28 Uniden MHS050-2 Owner’s Manual
or reduce performance. In case of exposure to the cell contents, wash the affected
area thoroughly, and seek medical attention.
Three Year Limited Warranty
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 war­ranty 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
Uniden MHS050-2 Owner’s Manual
E-29
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
E-30 Uniden MHS050-2 Owner’s Manual
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