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E-19

MHS338BT Radio Owner’s Manual

This graphic shows the default soft key assignment and then changing the default soft 

key 4 to "Not Assigned" (blank). You can change soft key assignment to group your more 

frequently used functions together.

1.

Go to 

MENU

/

GENERAL SETUP

/

KEY 

ASSIGNMENT

. The 

KEY ASSIGNMENT 

screen displays the key number and 
default key assignment.

2.

Scroll to the key whose function you 
want to reassign and press 

SELECT

. The 

SELECT KEY X 

screen displays options 

for that key.

3.

Scroll to the option you want for that 
key then press 

SELECT

. The 

KEY 

ASSIGNMENT 

screen displays again with 

the key's new assignment displayed.

4.

Repeat Steps 2 and 3 to assign other soft keys. Press 

BACK 

when finished 

with key assignments.

Soft Key Descriptions

Soft Key

Description

MOB

Man Overboard. The GPS automatically marks your current 
location as MOB and displays the latitude, longitude, time, BRG 
(Bearing to Destination), and DST (Distance to Destination), 
saved in the Waypoint directory as MOBXXX. The saved 
position can be used as a waypoint.

WX

Select the 

WX

 soft key to display the last WX channel accessed; 

while scrolling through weather channels, the 

WX

 soft key 

changes to 

CH

. The screen displays the Weather channel/

frequency and time. Press ▲ and ▼ to scroll through weather 
channels. Select 

CH

 to return to the last marine channel.

Summary of Contents for MHS338BT

Page 1: ...RADIO VHF MARITIME FLOTTANTE OWNER S MANUAL GUIDE D UTILISATION FLOATING VHF MARINE RADIO MHS338BT...

Page 2: ...at MAYDAY name of your ship 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 are you sink...

Page 3: ...d appel de votre bateau une fois 6 Donnez votre position quels sont les points de rep re ou aides la navigation pr s de vous ou lisez les coordonn es de longitude et de latitude apparaissant sur votr...

Page 4: ...OOTH Menu E 16 DSC SETUP Menu E 17 SET SCAN CH Menu E 18 ABOUT Menu E 18 RESET To Factory Defaults Menu E 18 USING SOFT KEYS E 18 Assign Soft Keys E 18 Soft Key Descriptions E 19 SETTING UP THE RADIO...

Page 5: ...To Send a Text Message E 44 AUTO POLLING E 45 DSC SELF TEST E 47 RECEIVING A DISTRESS CALL E 47 MAKING AN AUTOMATIC DISTRESS CALL E 48 MOB Soft Key E 49 BLUETOOTH E 49 Setting Up Bluetooth E 49 GPS M...

Page 6: ...Maritime Radio Services Operation E 72 Basic Radio Guidelines E 72 RBRC INFORMATION E 73 COMPLIANCE E 73 Three Year Limited Warranty E 75...

Page 7: ...direction or by showing location on a north south east west display Automatically auto plots to a received DSC distress call x DSC Lets you call other ships or groups using their unique identificatio...

Page 8: ...or 10 seconds x Soft Key Assignability x SOS Strobe Light x Squelch control Open and 15 steps x Submersible design Complies with floating JIS8 IPX8 water resistant standards which means the radio can...

Page 9: ...he battery latch up and snap it into place USING THE ALKALINE BATTERY TRAY The radio also comes with an alkaline battery tray that holds four AAA type alkaline batteries not included You can use alkal...

Page 10: ...CHARGER Connect power to the charger before mounting the charger into position You can mount the charger on any flat surface 1 Use the two holes at the base of the charger as a template to mark the dr...

Page 11: ...radio and create a risk of fire or shock x 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 t...

Page 12: ...curser left up right or down on a screen NA CLR Returns to the IDLE screen NA Light LOCK LOCK Press once to activate the LCD and key backlight Press twice to activate LED steady on Flashlight Press t...

Page 13: ...bottom of the screen Many of these keys can access functions that are set up through the menus see page E 18 x Pop Up Keyboard Some of the menus and soft keys require alphanumeric input the radio bri...

Page 14: ...hen Weather Alert is activated ALT Displays when a weather alert is received Flashes when acquiring solid when acquired Displays when Bluetooth is turned on 1 0W 2 5W or 6 0W Power output Does not dis...

Page 15: ...ic soft key options that appear with the keyboards to enter text The compass screen appears when you press the COMP soft key Its appearance will vary depending on your unique radio settings USING THE...

Page 16: ...Go to previous screen Varies with screen type Can be CONFIRM NEXT etc Select character chosen Move cursor to previous or next letter or up down a row Delete character to the left of the cursor Next li...

Page 17: ...wo locations They serve as directional indicators Page E 16 BLUETOOTH SETUP Accesses basic configuration of Bluetooth functions Page E 16 DSC SETUP Accesses settings for Digital Selective Calling func...

Page 18: ...r unauthorized boarding MAN OVERBOARD Use this message type if someone has gone overboard and you are unable to assist locate them Distress messages are always transmitted on channel 70 at maximum RF...

Page 19: ...ne channels for the USA Canada or International waters 1 Press MENU then select RADIO SETUP CHANNEL MODE The CHANNEL MODE screen displays 2 Select USA CAN or INTL and press SELECT soft key WEATHER RAD...

Page 20: ...IPTION WAYPOINT DIRECTORY Add edit and delete a Waypoint s name latitude and longitude ROUTE DIRECTORY This menu uses the waypoints created in the Waypoint Directory to create a navigation course rout...

Page 21: ...page E 34 GROUP DIRECTORY Create a Group MMSI number and share it with other ships to create a Group see page E 35 INDIVIDUAL REPLY Set whether incoming individual calls position requests and test ca...

Page 22: ...Using this menu resets the unit to factory defaults except for the MMSI number and the SW HW version Select YES to confirm the reset and restart the radio Otherwise select NO to cancel USING SOFT KEYS...

Page 23: ...IGNMENT screen displays again with the key s new assignment displayed 4 Repeat Steps 2 and 3 to assign other soft keys Press BACK when finished with key assignments Soft Key Descriptions Soft Key Desc...

Page 24: ...1 0W or less by regulation the radio sounds an error tone and stays at 1 0W TRI Triple Dual Watch This soft key activates or deactivates Dual or Triple watch mode that was assigned through the menus S...

Page 25: ...pp available for Android and iOS BACKLT Backlight Press the BACKLT soft key to change the backlight color white or amber MMSI Press this soft key to display the radio s MMSI number SPKR If you drop th...

Page 26: ...nu select KEY BEEP 2 Press or to select a key beep level 1 7 Off and press SELECT 3 The GENERAL SETUP menu displays again SET SOS STROBE 1 From the GENERAL SETUP menu select SOS STROBE 2 Select WATER...

Page 27: ...ETUP menu displays again 1 Press MENU then select RADIO SETUP CHANNEL NAME The CHANNEL NAME screen displays 2 Use the and keys to select a channel Then press SELECT 3 The CHANNEL NAME text edit screen...

Page 28: ...to your specific needs it is important to understand its basic operation Your radio has three main operation modes x Normal Monitors a single channel and lets you talk on that channel to another radio...

Page 29: ...N screen with the option to enter the MMSI at that point To Enter Your MMSI Number 1 Press and hold the POWER key until the unit turns on An ATTENTION message displays 2 Press the PROG soft key The EN...

Page 30: ...5 3 Press the CLR key or press VOL SQ again to set that level and return to the Idle screen Weak signals No Squelch Medium Squelch High Squelch Strong signals Noise NOTE Setting the squelch level too...

Page 31: ...nels saved to memory press the MEMSCAN soft key To scan all channels press the ALLSCAN soft key The radio scans channels according to your radio settings including Priority and Weather Alert watch if...

Page 32: ...RESET to turn all channels off MONITORING WEATHER CHANNELS To monitor saved weather channels press the WX soft key The radio tunes to one of the 10 NOAA weather channels If a weather alert signal is...

Page 33: ...1 Press MENU select RADIO SETUP and press SELECT The RADIO SETUP screen displays 2 Select WEATHER RADIO and press SELECT The WEATHER RADIO screen displays 3 Select S A M E FIPS CODE and press SELECT...

Page 34: ...eather channel for alerts every 6 seconds Priority Watch Your radio comes with a preprogrammed Priority channel Your radio will function normally and will also check the Priority channel s every 1 5 s...

Page 35: ...ctive your radio will function normally and check the most recent weather channel every 6 seconds If the radio detects a transmission it will stay on that channel when the signal stops the radio resum...

Page 36: ...sing their MMSI number just like you would call a phone number To call another station enter that station s MMSI number and choose the voice channel you want to talk on The radio uses a dedicated a VH...

Page 37: ...or MANUAL for replies to calls This screen displays Individual Call ACK If you want the radio to automatically reply to individual calls you can enable Individual Call to AUTO If set to AUTO the resp...

Page 38: ...AUTO POLLING TIME Set the auto polling time interval 30 sec or 1 2 3 or 5 min x AUTO POS POLLING Sets POSITION REQUEST or POSITION REPORT as the message to be sent by Auto Polling This setting is used...

Page 39: ...the individual Press SELECT for each letter and press FINISH when complete The ADD INDIVIDUAL DIR screen displays again 6 Select MMSI and press SELECT The SET MMSI screen displays 7 Use the keyboard t...

Page 40: ...Y screen displays 3 Select ADD and press SELECT NAME and MMSI options display NOTE To edit an existing group select EDIT in this step and select the group from the list that appears To delete a group...

Page 41: ...or keys to scroll to the INDIVIDUAL CALL option Press SELECT The INDIVIDUAL CALL menu displays a list of your saved stations 3 Select the station you want to call The radio displays the ship s MMSI n...

Page 42: ...en inter ship channels and all voice channels by pressing the MANUAL soft key 5 Press SEND The radio transmits the call request on the selected channel When the other station accepts the call both rad...

Page 43: ...D 4 The next screen displays the type category of All Ships Call sent the channel the call was sent on and elapsed time Responding to Calls Individual Group All Ships If your radio receives a DSC call...

Page 44: ...radio answer automatically 1 Press MENU Select the DSC SETUP menu and press SELECT The DSC SETUP menu displays 2 For each type of call selected Individual Call Position Request or Test Call select the...

Page 45: ...he or keys to select a ship Information for that selected station displays Press SEND 4 A WAITING FOR ACK message displays on the TEST CALL screen If you do not receive an acknowledgement resend the t...

Page 46: ...s to select a call and review the call details Information varies depending on the call type DSC Call Type Receive Log Information Distress MMSI or name position time nature code Distress Call Acknowl...

Page 47: ...T screen displays showing the list of ships entered in to the Individual directory 3 Use the or keys to select a ship if you want to contact a station that is not in your directory press MANUAL and en...

Page 48: ...ECT The radio displays the name and MMSI number of the station you are about to contact along with your current position information 5 Press SEND The radio transmits your current position information...

Page 49: ...u are sending the message to and the channel the message is being sent on 5 Press the SEND soft key 6 To review sent and received messages press the TEXT soft key and select TX sent or RX received MES...

Page 50: ...th that contact displayed 6 Repeat steps 4 and 5 above for up to 7 contacts 7 Press MENU to return to the MENU screen Select DSC SETUP then AUTO POLLING TIME The Auto Polling Time selections display 8...

Page 51: ...ng Icon DSC SELF TEST Perform a DSC self test If it fails contact Uniden Customer Support RECEIVING A DISTRESS CALL If you receive a distress call your radio will sound a Distress Call tone and displa...

Page 52: ...all on channel 16 at 6W with your current location and the nature of the distress The Distress Alert alarm sounds and the radio then monitors channel 16 for a response and repeats the distress call ev...

Page 53: ...not require setup through the menus Your radio immediately displays and saves the latitude longitude time Bearing to Destination BRG and Distance to Destination DST 1 Select the MOB soft key and the...

Page 54: ...you will be able to review contacts and text messages received and sent and to send messages to your radio contacts GPS MENU GPS OPERATION OVERVIEW Your GPS system provides more than just your specif...

Page 55: ...ist of satellite numbers signal strength and a graphic display of signal strength GPS POWER SAVE Select AUTO to let the radio determine how best to reserve power minimize background tasks etc or OFF T...

Page 56: ...u selects the connection device to receive output position data NMEA0183 OUTPUT Select the sentences to be output to the NMEA0183 see page E 53 NMEA0183 DATA SPEED Set the NMEA0183 baud rate for GPS a...

Page 57: ...13946 0657 S E 6D x CDDSE 1 1 A 3081234000 00 60875646 13 NAVIGATION WAYPOINTS AND ROUTES You can search the internet for the latitude and longitude of the location you want and save it as a destinati...

Page 58: ...LETE the waypoint to be deleted and then confirm 4 Use the and keys to select NAME and then press the SELECT soft key The pop up keyboard displays 5 Use the keyboard to enter a name for the waypoint P...

Page 59: ...SELECT after each number entry Press SAVE to keep that entry 9 When done press FINISH The WAYPOINT SETUP screen displays again with that entry displayed Press SAVE to keep that entry and save it to t...

Page 60: ...CTORY from the WAYPOINT SETUP screen and press SELECT The ROUTE DIRECTORY screen displays a list of available routes NOTE These settings cannot be set or changed during navigation To make any changes...

Page 61: ...n you reach that waypoint the radio will navigate to the next waypoint 02 and continue through the list of waypoints until you return to your beginning waypoint 04 ACCESSING NAVIGATION When you press...

Page 62: ...or route during navigation 3 As you navigate the screen displays your position information 4 When you arrive at the destination an arrival message displays and the arrival alert sounds You can select...

Page 63: ...nds You can select whether to continue or to end navigation by pressing the END or CLEAR keys If you press the CLEAR soft key navigation continues When you go out of range and return to the range the...

Page 64: ...SC DSE sentences from the NMEA output port in the following formats x CDDSC 12 3081234000 07 00 0354013946 0657 S E 6D x CDDSE 1 1 A 3081234000 00 60875646 13 POSITION POS DATA OUTPUT x NMEA DATA OUTP...

Page 65: ...low If the radio has been exposed to water there may be water on the speaker Press SPKR soft key to sound a tone that will help remove the water Allow the radio to dry out Noise comes out of the spea...

Page 66: ...1 800mAh or 4 AAA Alkaline batteries Size without antenna and belt clip 6 122 H x 2 562 W x 1 633 D inch 145 498 H x 65 074 W x 41 478 D mm Weight with battery antenna and belt clip 11oz included Li I...

Page 67: ...annel Descriptions and What They Mean The table below lists the display name or channel description used in the following tables and what each description means Channel name description Used for DISTR...

Page 68: ...nd coastal stations operated by state or local governments DIGITAL SELECTIVE CALLING DSC signals only no voice communications allowed at any time MARINE RADIO CHANNEL CHART Ch No U I C TX RX S D Chann...

Page 69: ...750 Receive Only Environmental 15 x x 156 750 156 750 S Environmental INT and CAN 1W 16 x x x 156 800 156 800 S Distress Safety Calling 17 x x x 156 850 156 850 S Government Maritime Control 1W CAN St...

Page 70: ...y 2023 x INHIBIT 161 750 S MB Service 24 x x x 157 200 161 800 D Marine Operator 25 x x x 157 250 161 850 D Marine Operator 2025 x INHIBIT 161 850 S CMB Service 26 x x x 157 300 161 900 D Marine Opera...

Page 71: ...x 156 475 156 475 S Non Commercial 70 x x x 156 525 156 525 DSC Only DSC 71 x x x 156 575 156 575 S Non Commercial 72 x x x 156 625 156 625 S Non Commercial US Non Commercial Ship to Ship 73 x x x 15...

Page 72: ...uard 2083 x INHIBIT 161 775 S Canadian CG Continuous Marine Broadcast CMB Service 84 x x x 157 225 161 825 D Marine Operator 85 x x x 157 275 161 875 D Marine Operator 86 x x x 157 325 161 925 S Marin...

Page 73: ...irect hazard but disruption to other critical services could create a variety of conditions that could directly threaten public safety x A STATEMENT is a message containing follow up information to a...

Page 74: ...Warning Freeze Warning FZW Warning Hurricane Statement HLS Statement Hazardous Materials Warning HMW Warning Hurricane Watch HUA Watch Hurricane Warning HUW Warning High Wind Watch HWA Watch High Wind...

Page 75: ...e Outage Emergency TOE Advisory Tornado Warning TOR Warning Tropical Storm Watch TRA Watch Tropical Storm Warning TRW Warning Tsunami Watch TSA Watch Tsunami Warning TSW Warning Volcano Warning VOW Wa...

Page 76: ...used to communicate Starting in 2004 if a radio is carried it must be on and set to channel 16 whenever your ship is underway If you hear a distress call wait a few minutes to let a shore station or...

Page 77: ...RF exposure requirements and should be avoided For more information about RF exposure please visit the FCC website at www fcc gov Lithium Ion Battery Warning This equipment contains a rechargeable Lit...

Page 78: ...erference and 2 this device must accept any interference received including interference that may cause undesired operation Tout changement ou modification non approuv express ment par la partie respo...

Page 79: ...mum gain indicated for any type listed are strictly prohibited for use with this device The following antenna type can be used at the maximum 3 0 dBi gain with a 50 Ohm impedance required for each ant...

Page 80: ...ANTIES 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 t...

Page 81: ...E 77 MHS338BT Radio Owner s Manual...

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Page 84: ...Issue 1 March 2023 U01UT665ZZZ 0 QUESTIONS Contactez nous au www uniden com Imprim au Vietnam QUESTIONS Visit our website at www uniden com Printed in Vietnam...

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