Uniden MHS235 Owner's Manual
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Uniden MHS235 Owner's Manual

Uniden MHS235 Owner's Manual

Floating vhf marine radio
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MHS235
FLOATING VHF MARINE RADIO
RADIO VHF MARITIME FLOTTANTE
OWNER'S MANUAL
GUIDE D'UTILISATION

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Summary of Contents for Uniden MHS235

  • Page 1 MHS235 FLOATING VHF MARINE RADIO RADIO VHF MARITIME FLOTTANTE OWNER’S MANUAL GUIDE D’UTILISATION...

  • Page 2: Making A Voice Distress Call

    Lift the red cover. Press and hold the Making a Distress Call button for three seconds. Your radio transmits your boat’s location every few minutes until you DISTRESS Lift the red receive a response. cover and press the red DISTRESS button underneath.
  • Page 3 Faire Un aPPel De DÉtresse Soulevez le couvercle noir. Maintenez Distress enfoncé pendant trois secondes. Votre radio transmettra l’emplacement de votre bateau toutes les quelques minutes Soulevez le jusqu’à ce que vous receviez une réponse. couvercle noir et appuyez sur le bouton rouge remarque : si la radio affiche Enter User MMSI, annulez l’appel Distress en...

  • Page 4: Table Of Contents

    Setting the Squelch Level ..E-14 Getting Started ......E-3 Setting the UIC Channel What’s included ......E-3 Mode (USA/CAN/INT) ....E-14 Parts of the MHS235 ..... E-3 Setting Key Lock......E-15 Front view ........E-3 Setting WX Alert Mode ....E-15 Back view ........E-4 Setting FIPS Codes ....E-15...

  • Page 5: Introduction

    The radio will only meet this rating if fully assembled and all rubber seals and bungs are well maintained and correctly fitted. This means that the speaker microphone bung is inserted, and the battery pack (or case) and antenna are attached and securely fastened. Uniden MHS235 Radio Owner’s Manual...
  • Page 6 Compass Display. Lets you determine the way you want the radio to display your course - by showing your course and direction or by showing location on an north- south-east-west display. Automatically auto-plots to a received DSC distress call. Uniden MHS235 Radio Owner’s Manual...

  • Page 7: Getting Started

    Wrist Strap DC Adapter AC Adapter Mounting Hardware Charging Cradle 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. Parts OF the Mhs235 Front view...

  • Page 8: Back View

    - Move cursor to the right while in memory. ► Menu mode. VOL/SQ Enter or exit Volume Setting mode. Enter or exit the Squelch setting mode. Power Turn MHS235 on and off. Distress Sends out emergency signal. Back view Battery Battery charging Battery Belt clip...

  • Page 9: Charger

    Indicates Channel mode: US, CANadian, or INTernational channels. The current channel is saved in memory. ˚F/ ˚C Temperature display is active (Farenheit or Centigrade). Valid GPS data received from the GPS receiver. No valid GPS data received from the GPS receiver. Uniden MHS235 Radio Owner’s Manual...

  • Page 10: How It Works

    Press MENU/CALL to display the following Normal menu options: Menu Option What it does WX Alert Enables the WX Alert fuction. FIPS Codes 30 FIPS codes for use with S.A.M.E. to ensure only the local alerts are heard. Uniden MHS235 Radio Owner’s Manual...

  • Page 11: Radio Setup Menu

    Standby Places the radio in an unattended mode. Receive Log Displays a list of all received calls to the radio. The MHS235 stores log data for 10 distress calls and 50 other calls. DSC Setup Allows the user to set up Digital Selective Calling (DSC) service.

  • Page 12: Dsc Setup Menu

    Set Compass display setting to either Course-Up or North Up. NMEA Out Allows you to select any or all of the following NMEA sentences for output: GGA, GSA, GSV, and RMC. The DSC and DSE sentences are always sent. Uniden MHS235 Radio Owner’s Manual...

  • Page 13: Operation Modes

    LOW (1W), MID (2.5W), and HI (6W), then back to LOW again. Press BOOST on the left side of the radio to boost the transmit power to 6W (Lithium Ion battery) or to 1.5W (NiMH batteries). if you are using niMh batteries, 6W is not available. Uniden MHS235 Radio Owner’s Manual...

  • Page 14: Scan

    Scan Mode with Weather Alert Watch When you activate Weather Alert Watch through the Normal menu while in Scan mode, the radio checks the most recently-used weather channel every seven seconds, then continues scanning the next channel in memory: E-10 Uniden MHS235 Radio Owner’s Manual...

  • Page 15: Weather

    Weather Mode with Weather Alert Watch If you activate Weather Alert Watch through the Normal menu while operating in Weather mode, it operates as a type of “sleep mode:” the radio stays on the weather channel and Uniden MHS235 Radio Owner’s Manual E-11...

  • Page 16: Setting Up The Hardware

    The radio also comes with an accessory battery tray that holds four AAA-type NiMH rechargeable batteries (not included). You can use rechargeable batteries as a backup when the Li-Ion battery (Uniden BT-895 or equivalent, 1.2V 900mAh) gets low and needs to be charged.

  • Page 17: Mounting The Charger

    When you power up your radio for the first time, it displays MMSI Not Entered and then displays a Marine mode screen. User MMSI numbers are unique and cannot be entered more than once. See page E-18 for general information about MMSI numbers and how to get Uniden MHS235 Radio Owner’s Manual E-13...

  • Page 18: Setting It Up

    Acquiring GPS Location The MHS235 automatically acquires your current GPS location when it is turned on. Turn on the radio and point the antenna towards the sky. It will triangulate your location and save Do not let anything obstruct the antenna, such as a metal cabin ceiling.

  • Page 19: Setting Key Lock

    Pressing Channel Down to turn the contrast all the way off will reverse the background/letters. Setting the Air or WaterTemperature Measurement You can set the temperature to display in Celsius or Farenheit. Press MENU/CALL and select select Radio Setup/Temperature. Temperature options are °C (Celsius) or °F (Farenheit). Uniden MHS235 Radio Owner’s Manual E-15...

  • Page 20: Turning The Key Beep On And Off

    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-33 for a list of power-restricted channels. E-16 Uniden MHS235 Radio Owner’s Manual...

  • Page 21: Changing The Channel

    DsC FeatUres Your radio supports the following DSC features: Feature Menu Item Function Individual Call Individual Contact another vessel from your directory. Group Call Group Contact all vessels that share your group MMSI code. Uniden MHS235 Radio Owner’s Manual E-17...

  • Page 22: Mmsi Numbers

    When using the Channel Up and Channel Down keys to enter a name, the alphabetic and numeric characters display in the following order: Capital letters (A through Z) Lower-case letters (a through z) Punctuation (/ ‘ + -) Numbers (0 through 9) One blank space E-18 Uniden MHS235 Radio Owner’s Manual...

  • Page 23: Entering Your User Mmsi Number

    Use the up and down arrows MMSI DSC Setup to adjust each of the nine 0________ digits in turn. Directory Name [New] Back Exit Save [MENU] [CLR] [ENT] Press and hold MENU/CALL to display the Call Menu. Uniden MHS235 Radio Owner’s Manual E-19...

  • Page 24: Using The Directory

    To delete the directory entry, select Delete. When you are satisfied with the directory list, press CLR/SCAN to close the menu screen. Making DsC Calls There are essentially four different types of DSC voice calls: E-20 Uniden MHS235 Radio Owner’s Manual...

  • Page 25: Group Call

    You see a rowboat entering the area, but since it doesn’t have a radio, you can’t communicate with the rowboat. You use all ships calling to alert all the other boats in the area of the possible danger. All ships call All ships call Group call Individual call Uniden MHS235 Radio Owner’s Manual E-21...

  • Page 26: Calling A Single Station (Individual Call

    Select All Ships, and then choose whether this is an Urgency call or a Safety call. The radio asks you to confirm the call. Select Send (press DISP/ENT H/M/L) to continue with the call or select Exit (press CLR/SCAN) to cancel the call. E-22 Uniden MHS235 Radio Owner’s Manual...

  • Page 27: Making An Automatic Distress Call

    The radio displays the last 10 distress calls and the last 50 non-distress calls that it received. If you have unread incoming DSC calls, the radio displays a Message icon. When you display all Distress and Other receiving logs, the message icon disappears. Uniden MHS235 Radio Owner’s Manual E-23...

  • Page 28: Returning A Call From The Receive Log

    You can return individual calls directly from the Receive Log. From the call detail screen, press Channel Down until Call Back appears at the bottom of the display. Press DISP/ENT H/M/L to return that station’s call. E-24 Uniden MHS235 Radio Owner’s Manual...

  • Page 29: Test Calls

    Back Exit Select [MENU] [CLR] [ENT] Press and hold MENU/CALL to display the Call menu. Select DSC Setup and then Test Reply. Choose Auto and press DISP/ENT H/M/L. The radio will automatically send an Uniden MHS235 Radio Owner’s Manual E-25...

  • Page 30: Position Request And Reply

    Down to choose the directory entry you want to contact and press DISP/ENT H/M/L. If you want to contact a station that is not in your directory, select Manual. The radio prompts you to enter the MMSI number you want to call. Enter the MMSI number the E-26 Uniden MHS235 Radio Owner’s Manual...

  • Page 31: Position Reply

    If you are leaving your radio or do not wish to answer any DSC calls, you can put your radio in standby mode. If your radio receives an individual call, it will automatically respond with Uniden MHS235 Radio Owner’s Manual E-27...

  • Page 32: Disabling Automatic Channel Switching

    MOB MenU The MOB menu lets you quickly save your current selection so you can easily navigate back to it. It will be saved in the first position of the Favorites list. E-28 Uniden MHS235 Radio Owner’s Manual...

  • Page 33: Favorite Menu

    If you are connected to a chartplotter and the radio receives another boat’s position data (sentences) in a DSC call, the radio sends the position data to the chartplotter so you can see the location. NMEA sentences contain different sets of data. The MHS235 supports the following sentences: DATA UTC Time Uniden MHS235 Radio Owner’s Manual...

  • Page 34: Additional Features

    Up and Channel Down to change the name. When you finish entering the name, the radio displays the new channel name and asks you to confirm. To save this new channel name, select Save; to cancel the E-30 Uniden MHS235 Radio Owner’s Manual...

  • Page 35: Maintenance And Troubleshooting

    If the antenna has been damaged, do not transmit except in an emergency situation. Doing so may cause further radio damage. You are responsible for continued FCC technical compliance of your radio. Arrange for periodic performance checks with your Uniden dealer. COMMOn qUestiOns Problem Things to Try The radio won’t turn on.

  • Page 36: Specifications

    Audio Frequency Response +5.5 dB @ 500 Hz; -6 dB @ 2000Hz Adjacent Channel Selectivity 73 dB @ ±25 kHz Audio Output Power 1.0 W @MAX VOLUME Current Drain Squelched: 36mA; Max. Audio: 250mA E-32 Uniden MHS235 Radio Owner’s Manual...

  • Page 37: Channels And Frequencies (Mhz

    Simplex, 1W Bridge To Bridge 156.425 156.425 Simplex Non Commercial 156.475 156.475 Simplex Non Commercial (156.5250) (156.5250) DSC Only 156.575 156.575 Simplex Non Commercial 156.625 156.625 Simplex Non Commercial (Ship-Ship) 156.675 156.675 Simplex Port Operation Uniden MHS235 Radio Owner’s Manual E-33...

  • Page 38: Canadian Channel Frequencies And Names

    156.800 156.800 Simplex Distress, safety, calling 156.850 156.850 Simplex, 1W State Control 156.900 156.900 Simplex Commercial 156.950 156.950 Simplex Canadian Coast Guard 161.600 157.000 Duplex, 1W Port Operation 157.050 157.050 Simplex Canadian Coast Guard E-34 Uniden MHS235 Radio Owner’s Manual...
  • Page 39 Canadian Coast Guard 157.175 157.175 Simplex Canadian Coast Guard 161.825 157.225 Duplex Marine Operator 161.875 157.275 Duplex Marine Operator 161.925 157.325 Duplex Marine Operator 157.375 157.375 Simplex Port Operation 157.425 157.425 Simplex Port Operation Uniden MHS235 Radio Owner’s Manual E-35...

  • Page 40: International Channel Frequencies And Names

    157.2500 Duplex Marine operator 161.9000 157.3000 Duplex Marine operator 161.9500 157.3500 Duplex Marine operator 162.0000 157.4000 Duplex Marine operator 160.6250 156.0250 Duplex Marine operator 160.6750 156.0750 Duplex Marine operator 160.7250 156.1250 Duplex Marine operator E-36 Uniden MHS235 Radio Owner’s Manual...

  • Page 41: Weather Channel Frequencies And Names

    157.3750 Simplex Marine operator 157.4250 157.4250 Simplex Marine operator Weather channel frequencies and names Channel Channel WX01 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 Uniden MHS235 Radio Owner’s Manual E-37...

  • Page 42: Regulations And Safety Warnings

    Unauthorized changes or modifications to this equipment may void compliance with the FCC Rules. Any change or modification must be approved in writing by Uniden. Changes or modifications not approved by Uniden could void the user’s authority to operate the equipment.

  • Page 43: Three Year Limited Warranty

    Warranty WARRANTOR: UNIDEN AMERICA CORP. (“Uniden”) ELEMENTS OF WARRANTY: Uniden warrants, for three years, to the original retail owner, this Un- iden Product to be free from defects in materials and craftsmanship with only the limitations or ex- clusions set out below.
  • Page 44 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.
  • Page 45 Uniden MHS235 Radio Owner’s Manual E-41...
  • Page 46 QUESTIONS? Visit our website at www.uniden.com or call 1-800-297-1023. QUESTIONS? Contactez-nous au www.uniden.com ou appelez 1-800-297-1023. Printed in Vietnam Imprimé au Vietnam U01UT645AZZ(0)

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