Uniden MHS125 User Manual
FLOATING VHF MARINE RADIO
RADIO VHF MARITIME FLOTTANTE
MHS125
OWNER’S MANUAL
GUIDE D’UTILISATION
MAKING A DISTRESS CALL
For future reference, write your boat’s name & call sign here:
Speak slowly - clearly - calmly.
Make sure your radio is on.
1.
Press the 16/9-TRI button to switch to Channel 16 (156.8 MHz).
2.
(If the corner of the display does not show 16, press the 16/9-
TRI button again until it does.)
Press the Push to Talk button and say: “MAYDAY -- MAYDAY
3.
-- MAYDAY.”
Say “THIS IS {name of your boat (three times) and call sign/
4.
boat registration number (once)}.”
Repeat “MAYDAY {name of your boat}” once.
5.
Tell where you are: (what navigational aids or landmarks are
6.
near, or read the latitude and longitude from your GPS).
State the nature of your distress (e.g. sinking, medical
7.
emergency, man overboard, on fire, adrift, etc.).
State the type of assistance you need (medical, towing, pumps,
8.
etc.).
Give the number of persons aboard and describe the condition
9.
of any injured persons.
Estimate present seaworthiness of your ship (e.g. how
10.
immediate is the danger due to flooding or fire).
Briefly describe your ship, giving ship name (i.e., “Blue Duck is
11.
32 foot cabin cruiser, white hull, blue deck house”).
Say: “I WILL BE LISTENING ON CHANNEL 16.”
12.
End the message by saying “THIS IS {name or call sign of your
13.
boat}, OVER.”
Release the Push to Talk button and listen.
14.
If you do not get an answer after 30 seconds, repeat your
call beginning at step 3 above.
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.
Vérifiez si votre radio est en marche.
1.
Appuyez sur la touche 16/9-TRI du microphone afin de
2.
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.)
Appuyez sur le bouton de microphone Push to Talk et
3.
dites:“MAYDAY -- MAYDAY -- MAYDAY”.
Donnez l’identité de votre navire en disant : “ICI {nom de votre
4.
bateau (trois fois) ou indicatif d’appel et le numéro d’identification
de votre bateau (une fois)}”.
Dites “MAYDAY {nom ou indicatif d’appel de votre bateau} une fois”.
5.
Donnez votre position : (quels sont les points de repère ou
6.
aides à la navigation près de vous ou lisez les coordonnées de
longitude et de latitude apparaissant sur votre dispositif GPS).
Révélez la nature de votre détresse (par exemple, nous
7.
sommes en train de couler, urgence médicale, un homme à la
mer, un incendie, nous sommes à la dérive, etc.
Révélez la nature de l’aide désirée (médicale, remorquage, essence, etc.)
8.
Donnez le nombre de personnes à bord et les conditions des
9.
blessés, s’il y en a.
Donnez la condition de navigabilité actuelle de votre navire, tel que
10.
le degré de l’urgence par rapport une inondation, et une incendie.
Donnez une brève description de votre navire en donnant le nom
11.
du bateau (par exemple, “Blue Duck est un yacht de croisière de
32 pieds, avec une coque blanche et un rouffle bleu.).
Dites : “JE VAIS ÉCOUTER SUR LE CANAL 16”.
12.
Terminez le message en disant “ICI {nom ou indicatif d’appel de
13.
votre bateau}, À VOUS”.
Relâchez le bouton Push to Talk du microphone et écoutez.
14.
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 Contents
Introduction ................................ E-1
Features ...................................... E-1
Getting Started ........................... E-3
What’s included ........................... E-3
Parts of the MHS125 ................... E-4
Front view ................................... E-4
Back view ................................... E-4
Charger ...................................... E-5
Reading the display ..................... E-6
Display icons and
what they mean ...................... E-6
How It Works .............................. E-7
Normal mode operation ............... E-8
Normal mode with Weather
Alert Watch ............................. E-8
Normal mode with Triple
Watch or Dual Watch ............. E-9
Normal mode with
Quad Watch ........................... E-9
Scan mode operation ................ E-10
Using the radio in
scan mode .......................... E-10
Scan mode with Weather
Alert Watch ............................E-11
Scan mode with Triple
Watch or Dual Watch ............E-11
Both Weather Alert and Triple/
Dual Watch in scan mode .....E-11
Weather mode ........................... E-12
Using the radio in
weather mode ......................E-12
Weather mode with
Weather Alert Watch ............ E-12
Weather mode with Triple
Watch or Dual Watch ........... E-13
Setting Up the Hardware ......... E-13
Attaching the Antenna ............... E-13
Installing the Battery .................. E-13
Using the Alkaline
Battery Case ........................... E-14
Mounting the Charger ................ E-15
Charging the Battery .................. E-15
Important notes on
charging the battery .............E-16
Attaching the Belt Clip ............... E-16
Using Your Radio ..................... E-17
Changing the Volume ............... E-17
Setting the Squelch Level .......... E-17
Changing the Channel ............... E-18
Making a Transmission .............. E-18
Boosting the transmission
power ...................................E-18
Setting the UIC Channel Mode .. E-19
Using the Strobe SOS Light ...... E-19
Turning the Key Beep
On and Off .............................. E-20
Using the External Speaker/
Mic Jack .................................. E-20
Maintenance and
Troubleshooting .................... E-20
Common Questions ................... E-21
Specications .......................... E-22
Channels and
Frequencies (MHz) ................. E-23
US channel frequencies and
names ..................................E-23
Canadian channel frequencies
and names ...........................E-25
International channel
frequencies and names ........ E-27
Weather channel frequencies
and names ...........................E-29
Regulations and
Safety Warnings .................... E-30
Maritime Radio Services
Operation ................................ E-30
Basic Radio Guidelines ............. E-30
Three Year Limited
Warranty ................................ E-33
INTRODUCTION
Features
Your radio provides the following key features:
Submersible design
Complies with floating JIS8/IPX8 water-resistant standards,
which means the radio can be submerged in 1.5 meters of water
for 30 minutes without damage.
Notes:
The radio will only meet this rating if fully assembled
and all rubber seals and bungs are well maintained and
correctly tted. This means that the speaker microphone
bung is inserted, and the battery pack(or case) 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 there is
still water remaining in and around the speaker and
microphone. Just shake the radio to clear excess water,
and the sound should return to normal.
If your radio is exposured 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.
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Uniden MHS125 Radio Owner’s Manual
Transmitter power level select
Lets you boost the transmitter power from 1 Watt to 2.5 or 5
Watts for added transmission distance.
Battery level display and low battery alert.
Dual, Triple and Quad Watch operation
These different watch modes let you monitor up to two
Coast Guard Distress/Hailing channels and one weather
channel along with one regular marine channel.
All marine VHF channels for the U.S., Canada, and
international waters
National Oceanic and Atmospheric Administration
(NOAA) Weather Channel watch
Sounds a warning tone when a hazard alert is issued.
GETTING STARTED
Antenna
MHS125 Radio
Charger
AC Adapter
DC Adapter
Alkaline Battery
Case
(batteries not
included)
Lithium Ion
Battery
Belt Clip
Wrist Strap
Mounting Hardware
What’s included
If any pieces are missing or damaged, contact Uniden
Customer Service (see back cover for contact information).
For information on available accessories, visit
www.uniden.com.
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Uniden MHS125 Radio Owner’s Manual
Parts of the MHS125
Antenna
LCD display
1/2.5/5W
button
Channel up
button
Volume-power
knob
(Turn clockwise
to increase
volume.)
Microphone
16/9-Tri
(16/9- triple
watch) button
WX-Alert
(weather-alert)
button
Scan-Dual
(scan-dual
watch) button
Squelch knob
(Turn clockwise to
decrease channel
noise.)
Push to talk
button
Speaker
Wrist strap
anchor
Channel down
button
UIC-Lock button
Mem (memory)
SOS button
Strobe
SOS light
Antenna
LCD display
1/2.5/5W
button
Channel up
button
Volume-power
knob
(Turn clockwise
to increase
volume.)
Microphone
16/9-Tri
(16/9- triple
watch) button
WX-Alert
(weather-alert)
button
Scan-Dual
(scan-dual
watch) button
Squelch knob
(Turn clockwise to
decrease channel
noise.)
Push to talk
button
Speaker
Wrist strap
anchor
Channel down
button
UIC-Lock button
Mem (memory)
SOS button
Strobe
SOS light
Belt clip
Battery
Battery charging
contacts
Battery
latch
Belt clip
Battery
Battery charging
contacts
Battery
latch
Front view
Back view
Knob Turn clockwise to...: Turn counter-clockwise to...:
Charging
contacts
CHARGE LED
Screw holes
for mounting
Power jack
[cigarette (DC) or
wall (AC) plug]
Charging
latches
Charging
contacts
CHARGE LED
Screw holes
for mounting
Power jack
[cigarette (DC) or
wall (AC) plug]
Charging
latches
Volume-
Power
Squelch
Turn on the radio or
increase the volume.
Raise the squelch level
to reduce channel noise.
Decrease the volume or turn off
the radio.
Lower the squelch level to hear
weaker signals.
Button Press to... Press and hold to...
Push to talk NA Transmit on a channel
1st press: Go to channel 16.
16/9-Tri
2nd press: Go to channel 9.
3rd press: Go back to the
Turn Triple Watch on and
off.
starting channel.
MEM-SOS
UIC-Lock
Channel Up
Channel
Down
WX-Alert
Scan-Dual
1/2.5/5W
Save a channel into memory
or delete a channel from
memory.
Switch from US to Canadian
or international channels.
Move up one channel at a
time.
Move down one channel at
a time.
Listen to the weather
channels.
Start scanning the channels
saved in memory.
Change the transmit power
(see page E-8).
Turns strobe SOS light on
and off.
Lock the keys; press and
hold again to unlock.
Move quickly up the
channels.
Move quickly down the
channels.
Turn Weather Alert Watch
on and off.
Turn Dual Watch on and
off.
NA
Charger
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Uniden MHS125 Radio Owner’s Manual
Reading the display
88
Transmit
power level
(1, 2.5, or 5
Watts)
This channel
is stored in
memory.
Triple
Watch is
on
The radio
is in scan
mode
Key lock
is on
The radio is
transmitting
Current
channel
number
UIC channel mode
(USA, CANada, or
INTernational)
Weather
Alert Watch
is on.
Battery
status icon
88
Transmit
power level
(1, 2.5, or 5
Watts)
This channel
is stored in
memory.
Triple
Watch is
on
The radio
is in scan
mode
Key lock
is on
The radio is
transmitting
Current
channel
number
UIC channel mode
(USA, CANada, or
INTernational)
Weather
Alert Watch
is on.
Battery
status icon
The LCD display
shows different
information
depending on
what you are
doing. This
sample screen
shows some of
this information.
The table below
shows all the
possible icons
and what they
mean.
Display icons and what they mean
Icon What it means
You are currently transmitting.
The transmitter power is set to 1 Watt, 2.5 Watts,
or 5 Watts..
The keys are locked.
The radio is set to use US channels, CANadian
channels, or INTernational channels.
TRIple Watch or DUAL Watch is turned on.
The current channel is saved in memory.
The radio is in Scan mode.
The radio is in Weather mode
Weather Alert Watch is turned on.
The battery is fully charged, mostly charged, half
charged, mostly empty, or completely empty.
, , or
, , or
or
HOW IT WORKS
Your radio has three main operation modes: normal, scan,
and weather.
Mode What it does
Normal
Scan
Weather
In addition to the three operation modes, your radio provides
four different watch modes which you can activate during any
operation mode. In the watch modes, the radio briey checks
for activity on a specic channel, then returns to its previous
operation.
Watch mode What it does To turn it on/off
Weather Alert
Watch
Dual Watch
Triple Watch
Quad Watch
Monitors a single marine
channel and lets you talk
on that channel.
Monitors all the channels
you save into memory.
Monitors the selected
NOAA weather channel.
Checks the last-used weather
channel for hazard alerts
every 7 seconds.
Checks channel 16 for activity
every 2 seconds.
Checks channels 16 and 9 for
activity every 2 seconds.
Checks channels 16 and 9 for
activity every 2 seconds, and
checks the last-used weather
channel every 7 seconds.
Use it when you
want to...
Monitor a channel or
talk to another radio.
Check a small group
of regularly-used
channels for trafc.
Hear the current or
forecasted weather.
Press and hold WX-Alert
for 2 seconds.
Press and hold Scan-
Dual for 2 seconds.
Press and hold 16/9-Tri
for 2 seconds.
Turn on Triple Watch,
then turn on Weather
Alert Watch.
To turn it
on/off
(default
mode)
Press Scan-
Dual.
Press WX-
Alert.
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Note: Private boats must monitor channel 16 whenever
wx
Every 7 seconds,
the radio checks
the last-used
weather channel.
WX Alert
Watch on
Monitoring Channel 25
wx
Every 7 seconds,
the radio checks
the last-used
weather channel.
WX Alert
Watch on
Monitoring Channel 25
they are underway. Water-going vessels should have
either Triple Watch or Dual Watch on at all times.
Normal mode operaon
To transmit, remove the radio from the charger, then press
and hold the Push to Talk button. Release the button when
you are finished talking.
For the best sound quality, hold the microphone about two
inches from your mouth while you’re talking.
Press the Channel Up button to move up one channel at
a time. Press and hold the button to scroll quickly up the
channels.
Press the Channel Down button 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 the 1/2.5/5W button.
The transmit power switches to the next transmit power
each time you press this button.
Normal mode with Weather Alert Watch
If you activate Weather Alert Watch while operating in normal
mode, the radio
checks the most
recently used
weather channel
every seven 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.)
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