Uniden MHS450 Owner's Manual
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Uniden MHS450 Owner's Manual

Marine 2-way vhf radio
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UNIDEN
MARINE
2-WAY
VHF RADIO
MHS450
OWNER'S MANUAL

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Summary of Contents for Uniden MHS450

  • Page 1 UNIDEN MARINE 2-WAY VHF RADIO MHS450 OWNER'S MANUAL...

  • Page 2: Table Of Contents

    Table of Contents A Quick Start Guide for the MHS450 ...5 Storing a Channel in Memory ...6 Normal Scanning ...7 DualWatch Scanning ...8 TripleWatch Scanning ...8 Weather Channel, Stored Channels, and Dual/TripleWatch Scanning ...9 Maritime Radio Services Operation ...10 FCC/Industry Canada Information ...10 FCC RF Exposure Information ...11...
  • Page 3 Adjusting Display Contrast ...30 Setting Dual or TriWatch ...30 Setting the Key Beep ...31 Setting the Key Lock...31 Manually Selecting Coast Guard/Distress /Hailing Channels ...3 Storing a Channel in Memory ...3 Using the Weather Channels ...33 Uniden MHS450 Radio Owner’s Manual...
  • Page 4 Troubleshooting ...40 Specifications ...4 Care and Maintenance ...43 USA Channel Frequencies ...44 Canadian Channel Frequencies ...46 International Channel Frequencies...48 NOAA Weather Channels and Frequencies ...50 NOAA Weather SAME Event Codes ...50 Three Year Limited Warranty ...55 Uniden MHS450 Radio Owner’s Manual...

  • Page 5: A Quick Start Guide For The Mhs450

    A Quick Start Guide for the MHS450 Follow these steps to get going! Rotate VOLUME until the display lights. The Power On tone sounds. The default display shows channel 16 in the US marine band, a 5 watt level and the purpose of the channel such as DISTRESS at the bottom edge.

  • Page 6: Storing A Channel In Memory

    Storing a Channel in Memory The MHS450 radio can scan channels you have stored in memory. You can store marine channels for later scanning. To store a channel in memory, follow these steps: Use ▲...

  • Page 7: Normal Scanning

    CHANNEL SCAN at the bottom. Channel Scan of 8 Channels Stored in Memory When you scan those channels, each channel is checked in order and the scan sequence repeats until you interupt it. Uniden MHS450 Radio Owner’s Manual Marine Band Marine Band 5 Watts...

  • Page 8: Dualwatch Scanning

    In this case, the radio is set to marine channel 5 and TripleWatch has been selected from the RADIO MENU. TripleWatch Scan of Marine Ch. 25, Hailing Ch. 9, and Distress Ch. 16 Uniden MHS450 Radio Owner’s Manual...

  • Page 9: Weather Channel, Stored Channels, And Dual/Triplewatch Scanning

    Options, Storing Channels, Scanning Channels, and using the special features of either Triple or DualWatch, consult the Table of Contents which immediately preceeds these Quick Start pages. Uniden MHS450 Radio Owner’s Manual Scan Sequence of Stored Channels, TripleWatch, and TripleWatch with WX...

  • Page 10: Maritime Radio Services Operation

    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 11: Fcc Rf Exposure Information

    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 exposure, please visit the FCC website at www.fcc.gov Uniden MHS450 Radio Owner’s Manual...

  • Page 12: Lithium Ion Battery Pack Warning

    (+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. Uniden MHS450 Radio Owner’s Manual...

  • Page 13: What's Included

    If any of these items are missing from the box, contact Uniden or call 1-800-554-3988. Uniden MHS450 Radio Owner’s Manual AC550 AC Adapter Charging Cradle BT550 Alkaline Battery Case...

  • Page 14: Introduction

    Uniden MHS450 Introduction Your Uniden MHS450 represents the latest in marine radio technology in a conveniently sized and rugged package. It has features you’ll come to count on for day in and day out use. The product combines size, value, and performance that makes it a good choice for an all around marine communications radio.
  • Page 15 Key Lock ON/OFF — lets you enable a keypad lock to prevent accidental changes while powered on. The feature becomes unlocked when powered off and on again. You can also quickly disable the feature by pressing and holding down this key. Uniden MHS450 Radio Owner’s Manual...

  • Page 16: Mhs450 Controls

    MHS450 Controls Uniden MHS450 Radio Owner’s Manual...
  • Page 17 Press and hold to change channels rapidly. Press to scroll through Radio Menu options. 13. Belt Clip —Squeeze and attach to your belt for convenient carrying. 14. PTT — Press to transmit. Uniden MHS450 Radio Owner’s Manual...

  • Page 18: Radio Charger Cradle

    Battery being sure to position the pack as shown in the section Batteries. To recharge the installed Lithium Ion battery, place the MHS450 into the Charger Cradle. The contacts at the bottom edge of the radio receive the required voltage and current from the cradle to completely recharge the battery in about 4 hours.

  • Page 19: Lcd Display

    Dual or Triple Watch, Transmitting, and more. For full details, refer to the specific section of the manual. CHANNEL — shows the currently selected channel number. See the USA, Canadian, and International channel charts in the back of this manual. Uniden MHS450 Radio Owner’s Manual...

  • Page 20: Owner Manual Conventions

    5 minutes. Also sounds if you attempt to transmit with low power battery. If the battery icon continues to blink once you stop pressing the PTT key, you must recharge/replace the currently installed battery(s) Uniden MHS450 Radio Owner’s Manual...

  • Page 21: Batteries

    Batteries Your Uniden MHS450 comes equipped with a Lithium Ion battery which snaps into the back of the radio and secures with a latch. The battery has a minimal charge when shipped. Before use, place the radio in the Charging Cradle and charge the battery for four hours.
  • Page 22 Warning - although the design of the case prevents accidental charging of installed alkaline batteries, for safety, never attempt to recharge alkaline batteries by defeating the case design or recharging outside of the case. Uniden MHS450 Radio Owner’s Manual...

  • Page 23: Power Autosave And Battery Life Indication

    Low Battery alert tone sound, be sure to replace all alkaline batteries in use. Doing so removes any chance of degraded radio performance and operation that can occur toward the end of the batteries’ useful life. Uniden MHS450 Radio Owner’s Manual...

  • Page 24: Mounting The Charging Cradle

    Then drill holes and use the screws and washers provided. Otherwise, select other mounting hardware (not supplied) that is appropriate for the mounting material. Uniden MHS450 Radio Owner’s Manual...

  • Page 25: Attaching The Belt Clip

    • To remove the clip, rotate the clip so the indentation is toward the bottom of the radio. Move the clip in the direction of the arrow and lift it off the post. Uniden MHS450 Radio Owner’s Manual Attach Remove...

  • Page 26: Getting Started

    Getting Started To start using your MHS450, follow the steps below. Rotate VOLUME until the display lights and the Power On tone sounds. The Uniden animated ‘splash’ screen displays followed by the model number. Set the volume to a comfortable listening level. The display...

  • Page 27: Transmitting Power Level

    Press the PTT switch. TRANSMITTING appears at the bottom of the screen and remains displayed as long as you hold down the PTT switch. Uniden MHS450 Radio Owner’s Manual...

  • Page 28: Using The Radio Menu Options

    PTT restarts the 5-minute time interval again. Using the Radio Menu Options The MHS450 lets you select options that personalize your use of the radio and makes using it more convenient. Press MENU to access the multi-choice radio menu. RADIO MENU appears at the top of the screen.

  • Page 29: Usa/Can/Int (U.i.c.) - Settings

    1 minute, or 5 minutes then press ENTER. A double beep sounds to confirm your selection. Scroll to EXIT and press ENTER to return to the RADIO MENU menu screen. Uniden MHS450 Radio Owner’s Manual UIC CHANNELS UIC CHANNELS USA Mode...

  • Page 30: Adjusting Display Contrast

    16/9 TriWatch (default) or 16 DualWatch. Press ENTER to select it. A double beep sounds and the radio returns to the RADIO MENU screen. Press MENU again to return to the marine mode. Uniden MHS450 Radio Owner’s Manual Contrast Contrast Adjust...

  • Page 31: Setting The Key Beep

    Setting the Key Beep Your MHS450 confirms a key press by sounding a short single or double beep (default). You can disable this sound. From the RADIO MENU screen, press ▲ or ▼ to highlight the KEY BEEP option. Press ENTER to select it.

  • Page 32: Manually Selecting Coast Guard/Distress/Hailing Channels

    A double beep sounds to confirm your action. CHANNEL STORED appears at the bottom of the display. If you take no further action, the screen returns to the standard marine screen in 3-seconds. Uniden MHS450 Radio Owner’s Manual...

  • Page 33: Using The Weather Channels

    S.A.M.E by decoding the entered FIPS code or if the radio is in the marine channel mode, detecting the 1050Hz tone, the radio sounds an alarm and displays an alert message at the bottom of the screen, such as HURRICANE WARNING. Uniden MHS450 Radio Owner’s Manual...

  • Page 34: Adding Fips Codes

    ▼ to select the FIPS option. The screen displays FIPS Codes and lets you select Add or Exit. Note: You can find your area FIPS codes from http://www.nws.noaa.gov/nwr/indexnw.htm. Uniden MHS450 Radio Owner’s Manual FIPS CODES FIPS CODES 023456 023456...

  • Page 35: Changing Channel Names

    Then press ENTER again. A double beep sounds confirming the change and the display returns to the Channel Name menu. Use ▲ or ▼ to Exit and press ENTER. Uniden MHS450 Radio Owner’s Manual Channel Name Channel Name 01A VTS/Com...

  • Page 36: Restoring Default Names

    ▲ or ▼then press ENTER. Then use ▲ or ▼ to next highlight Default. Using the TripleWatch or DualWatch Mode During setup of your MHS450, you have selected Triple or DualWatch mode. The following shows you how to use this valuable feature.

  • Page 37: Using Scan With Triple Watch

    16 every -seconds. If you have set Dual Watch as your default mode, using the RADIO MENU, channel 9 is not checked and DUALWATCH SCAN appears on the display. Uniden MHS450 Radio Owner’s Manual Marine Band Marine Band 5 Watts 5 Watts...

  • Page 38: Both Watches And Weather Channel

    All channels, except CH70, and the weather channels, can be stored in memory. When you turn off the radio, all memory stored channels are retained so that upon turning the radio on again, they are immediately available. Uniden MHS450 Radio Owner’s Manual...

  • Page 39: Using The External Speaker/Mic Jack

    ▲ and 1/2.5/5W at the same time. While holding both keys down, turn on power. Release both keys. Press ENTER. Press and hold 16/9/TRI for  seconds. MEMORY CLEAR appears. Turn power off then on, to complete the operation. Uniden MHS450 Radio Owner’s Manual...

  • Page 40: Troubleshooting

    If you missing parts or accesoories, call Parts & Service at 1-800- 554-3988. In the event that the radio fails to perform, try the following remedies. If you have still problems, visit our customer support website at: www.uniden.com or call our customer care specialists at 1-800-586- 0409. SYMPTOM Won’t power On.
  • Page 41 You can hear The transmit power is transmissions, but the set to low. other radio cannot hear you. Uniden MHS450 Radio Owner’s Manual CAUSE REMEDY Change to an unrestricted TX/RX channel. REMEDY 1: Use the MEM/SCAN key to enter desired channels into the scan memory.

  • Page 42: Specifications

    Audio Output Power Current Drain Squelched 60mA Max. Audio 210mA Specifications shown are typical and subject to change without notice. Uniden MHS450 Radio Owner’s Manual 54 US/International/Canada 89 US/International/Canada 1.5 PPM (at 25°C) 1.5 PPM (at 25°C) -4°F (-20°C) to +122°F(+50°C)

  • Page 43: Care And Maintenance

    Care and Maintenance Your MHS450 is a precision of electronic equipment and you should treat it accordingly. Due to the rugged design, very little maintenance is required. However, a few precautions should be observed: • If the antenna has been damaged, you should not transmit except in the case of an emergency.

  • Page 44: Usa Channel Frequencies

    “A” 157.1000 157.1500 “A” 157.1500 161.8000 157.2000 161.8500 157.2500 161.9000 157.3000 161.9500 157.3500 162.0000 157.4000 Uniden MHS450 Radio Owner’s Manual Status Full Name Simplex VESSEL TRAFFIC SYSTEM/ COMMERCIAL Simplex COAST GUARD,GOVT ONLY Simplex VESSEL TRAFFIC SYSTEM/COMMER CIAL Simplex INTER-SHIP SAFETY...
  • Page 45 161.9250 Duplex 157.3250 161.9750 Duplex 157.3750 162.0250 Duplex 157.4250 157.4250 Simplex “A” 157.4250 Uniden MHS450 Radio Owner’s Manual MARINE OPERATOR Status Full Name COAST GUARD VESSEL TRAFFIC SYSTEM COMMERCIAL PORT OPERATION PORT OPERATION BRIDGE TO BRIDGE NON COMMERCIAL NON COMMERCIAL...

  • Page 46: Canadian Channel Frequencies

    161.9500 157.3500 162.0000 157.4000 160.6250 156.0250 61 “A” 156.0750 156.0750 62 “A” 156.1250 156.1250 160.8250 156.2250 Uniden MHS450 Radio Owner’s Manual Status Full Name Duplex MARINE OPERATOR Duplex MARINE OPERATOR Duplex MARINE OPERATOR Simplex CANADIAN COAST GUARD Simplex VESSEL TRAFFIC...
  • Page 47 157.2750 161.9250 Duplex 157.3250 161.9750 Duplex 157.3750 162.0250 Duplex 157.4250 Uniden MHS450 Radio Owner’s Manual Full Name 16 Char Name MARINE OPERATOR MARINE OPERATOR SEARCH AND RESCUE SEARCH & RESCUE PORT OPERATION PORT OPERATION BRIDGE TO BRIDGE BRIDGE TO BRIDGE...

  • Page 48: International Channel Frequencies

    161.9500 157.3500 162.0000 157.4000 160.6250 156.0250 160.6750 156.0750 160.7250 156.1250 160.7750 156.1750 160.8250 156.2250 Uniden MHS450 Radio Owner’s Manual Status Full Name Duplex MARINE OPERATOR Duplex MARINE OPERATOR Duplex MARINE OPERATOR Duplex MARINE OPERATOR Duplex MARINE OPERATOR Simplex INTER-SHIP SAFETY...
  • Page 49 Duplex 157.2750 161.9250 Duplex 157.3250 161.9750 Duplex 157.3750 162.0250 Duplex 157.4250 Uniden MHS450 Radio Owner’s Manual Full Name MARINE OPERATOR MARINE OPERATOR BRIDGE TO BRIDGE NON COMMERCIAL NON COMMERCIAL DIGITAL SELECTIVE CALLING NON COMMERCIAL NON COMMERCIAL PORT OPERATION PORT OPERATION...

  • Page 50: Noaa Weather Channels And Frequencies

    Channel WX01 WX0 WX03 WX04 WX05 WX06 WX07 WX08 WX09 WX10 SAME Event Codes Standard Code Received Uniden MHS450 Radio Owner’s Manual NOAA Weather RX Frequency 16.5500 16.4000 16.4750 16.450 16.4500 16.5000 16.550 161.6500 161.7750 163.750 NOAA Weather Event Code...
  • Page 51 Standard Code Received Uniden MHS450 Radio Owner’s Manual Event Code (Scrolling Name) CIVIL DANGER WARNING CIVIL EMERGENCY MESSAGE COASTAL FLOOD WATCH COASTAL FLOOD WARNING CHEMICAL HAZARD WARNING DAM WATCH DAM BREAK WARNING CONTAGIOUS DESEASE WARNING PRACTICE/DEMO DUST STORM WARNING EMERGENCY ACTION...
  • Page 52 Standard Code Received Uniden MHS450 Radio Owner’s Manual Event Code (Scrolling Name) FLOOD WATCH FLOOD STATEMENT FLOOD WARNING FIRE WARNING FLASH FREEZE WARNING FREEZE WARNING HURRICANE STATEMENT HAZARDOUS MATERIAL WARNING HURRICANE WATCH HIGH WIND WATCH HIGH WIND WARNING ICEBERG WARNING...
  • Page 53 Standard Code Received Uniden MHS450 Radio Owner’s Manual Event Code (Scrolling Name) NATIONAL SILENT TEST NUCLEAR POWER PLANT WARNING POWER OUTAGE ADVISORY RADIOLOGICAL HAZARD REQUIRED MONTHLY TEST REQUIRED WEEKLY TEST SPECIAL MARINE WARNING SPECIAL WEATHER STATEMENT SHELTER IN-PLACE WARNING SEVERE...
  • Page 54 Standard Code Received * * A * * E * * S * * W Uniden MHS450 Radio Owner’s Manual Event Code (Scrolling Name) TSUNAMI WARNING VOLCANO WARNING WILD FIRE WARNING WILD FIRE WATCH WINTER STORM WATCH WINTER STORM WARNING...

  • Page 55: Three Year Limited Warranty

    WARRANTOR: UNIDEN AMERICA CORPORATION (“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.
  • Page 56 WWW.UNIDEN.COM TO REGISTER YOUR TO REGISTER YOUR PRODUCT PRODUCT © 2005 Uniden America Corporation, Fort Worth, Texas. Contains additional foreign articles. Printed in China. © 2005 Uniden America Corporation, Fort Worth, Texas. Contains additional foreign articles. Printed in China. UTZZ01611ZZ(0)

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