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A World Without Wires

®

OWNER’S MANUAL

UNIDEN 

MARINE 

2-WAY

VHF RADIO

MHS450

MHS450

Summary of Contents for MHS450

Page 1: ...AWorld Without Wires OWNER S MANUAL UNIDEN MARINE 2 WAY VHF RADIO MHS450 MHS450...

Page 2: ...your distress e g sinking medical emergency man overboard fire adrift etc Give the number of persons aboard and describe the condition of any injured persons Estimate present seaworthiness of your shi...

Page 3: ...ode with Triple Watch or Dual Watch 10 Both Weather Alert and Triple Dual Watch in normal mode 10 Scan mode operation 11 Using the radio in scan mode 11 Scan mode with Weather Alert Watch 12 Scan mode...

Page 4: ...Contrast 24 Lamp adjust 24 Turning the key beep on and off 25 Using the external speaker mic jack 25 Maintenance and Troubleshooting 25 Common questions 26 Specifications 27 Channels and Frequencies 2...

Page 5: ...ission distance Battery level display and low battery alert Triple or dual watch operation Checks the Coast Guard Distress Hailing channels 16 and 9 in the background All marine VHF channels for the U...

Page 6: ...rging Cradle RSC550 AC Adapter AD 0007 DC Adapter DC550 Alkaline Battey Case BT550 batteries not included Lithium Ion Battery BP550 Belt Clip CLIP550 Wrist Strap Mounting Hardware Antenna MHS450 Radio...

Page 7: ...ockwise to decrease channel noise ENTER button PUSH TO TALK button Speaker Jack for external microphone or speaker Wrist strap anchor Antenna LCD display 1 2 5 5W button CHANNEL UP DOWN buttons VOLUME...

Page 8: ...Move quickly up the channels CHANNEL DOWN Move down one channel at a time or move down one option at a time in a menu screen Move quickly down the channels WX ALERT Listen to the current weather condi...

Page 9: ...cannot transmit while the radio is in the charger BACKLIGHT KEY LOCK Turn on the LCD and keypad backlight Lock and unlock the keypad BACKLIGHT KEY LOCK button PUSH TO TALK button Battery latch Belt cl...

Page 10: ...3 8V charge LED charging latch Screw holes for wall mounting Screw holes for flat surface mounting Power input jack DC 12V 13 8V charge LED charging latch Screw holes for wall mounting Screw holes for...

Page 11: ...mode DUALWATCH SCAN You turn on dual watch mode while scanning BATTERY LOW The battery power level is too low for normal operation appears with the battery power level icon Using the menu Here are som...

Page 12: ...three operation modes the MHS450 provides three different watch modes which you can activate during any operation mode In the watch modes the radio briefly checks for activity on a specific channel th...

Page 13: ...s 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 the 1 2 5 5W button Normal mode with Weather Alert Watch If you acti...

Page 14: ...eather Alert Watch and Triple Dual Watch at the same time The radio performs both checks at their scheduled time 09 16 09 16 09 16 Triple Watch on Every 2 seconds the radio checks channels 9 16 Monito...

Page 15: ...s on the display whenever you tune to that channel To remove a channel from memory set the radio to that channel then press and hold the SCAN MEM button for two seconds Memory no longer shows on the d...

Page 16: ...d on the radio only checks channel 16 Every 7 seconds the radio checks the last used weather channel then scans the next channel wx WX Alert Watch on Memory Channel Scan 08 25 24 17 15 14 13 12 11 10...

Page 17: ...er out alerts that do not affect your location if the location code FIPS code of the alert is entered in your radio see page 22 If you have no FIPS codes programmed into your radio the radio will noti...

Page 18: ...ds an alert tone and turns the speaker back on This mode is very useful when you are anchoring the night but want to stay informed of any hazards in your area Weather mode with Triple Watch or Dual Wa...

Page 19: ...lkaline battery case is installed as a placeholder Note Charge the battery fully before using the radio Unlock the latch at the base of the radio and remove the alkaline battery case Insert the hooks...

Page 20: ...ies transmit power is limited to a maximum of 2 5 watts Follow the steps below to use the alkaline battery case Hold the lower part of the case in one hand with the three battery contacts facing down...

Page 21: ...ies Never use alkaline batteries in the radio without the battery case Do not attempt to modify the battery case design Attaching the belt clip To attach the belt clip Rotate the belt clip so that the...

Page 22: ...the rear of the charger as a template mark the location of the drill holes Using a inch or 3 mm drill bit drill two holes inch 13 mm deep If you are using anchors follow the drilling instructions on...

Page 23: ...UELCH knob until the noise is filtered and you can hear only the transmission If you switch to a channel with a lot of noise or a weak trans mission you may need to readjust the squelch level again No...

Page 24: ...ist of receive only channels Boosting the transmission power In most situations the 1 Watt transmission power is all you need If you find yourself far away from other stations and have trouble getting...

Page 25: ...istress and hailing Your radio comes set to use Triple Watch if you want to use Dual Watch instead follow the steps below Open the menu and choose Dual Tri Watch Highlight 16 DualWatch and press the E...

Page 26: ...up to 16 characters Use the CHANNEL UP and CHANNEL DOWN buttons to change the first character When the first character is correct press the ENTER button The cursor moves to the next character Enter t...

Page 27: ...The screen displays any previously entered FIPS codes To add a new FIPS code select Add Use the CHANNEL UP and CHANNEL DOWN buttons to change the first of the six digits the CHANNEL UP button increas...

Page 28: ...just The LCD and keypad light up whenever you press a key on the radio the backlight stays on for 5 seconds and then turns off automatically You can change the amount of time the LCD and keypad backli...

Page 29: ...ll which assures prevention of water entering the jack Two available units are HHSPM Speaker Mic VOX100 Headset Mic For details consult your Uniden dealer or contact Uniden directly see back cover for...

Page 30: ...The numbers on the display will flash if the radio is in a watch mode or in scan mode Try turning off scanning Weather Alert Watch or Triple Dual Watch see page 8 I can t read the display Adjust the c...

Page 31: ...out antenna 3 8 H x 2 4 W x 1 3 D inch 97 H x 62 W x 33 D mm Weight w battery and antenna 8 8 oz 250g Transmitter Frequency Range 156 158 MHz Frequency Stability 10 PPM Power Output 1 0 W 2 5W 5W Lith...

Page 32: ...safety calling DISTRESS 17 156 8500 156 8500 Simplex 1W Govt maritime control GOVERNMENT 18A 156 9000 156 9000 Simplex Commercial COMMERCIAL 19A 156 9500 156 9500 Simplex Commercial COMMERCIAL 20 161...

Page 33: ...250 Duplex Marine Operator MARINE OPERATOR 85 161 8750 157 2750 Duplex Marine Operator MARINE OPERATOR 86 161 9250 157 3250 Duplex Marine Operator MARINE OPERATOR 87 161 9750 157 3750 Duplex Marine Op...

Page 34: ...GUARD 62A 156 1250 156 1250 Simplex Canadian Coast Guard COAST GUARD 64 160 8250 156 2250 Duplex Marine Operator MARINE OPERATOR 64A 156 2250 156 2250 Simplex Marine Operator MARINE OPERATOR 65A 156 2...

Page 35: ...ING 10 156 5000 156 5000 Simplex Commercial COMMERCIAL 11 156 5500 156 5500 Simplex Vessel traffic system VESSEL TRAFFIC 12 156 6000 156 6000 Simplex Vessel traffic system VESSEL TRAFFIC 13 156 6500 1...

Page 36: ...RT OPERATION 75 156 7750 156 7750 Simplex 1W Port operation PORT OPERATION 76 156 8250 156 8250 Simplex 1W Port operation PORT OPERATION 77 156 8750 156 8750 Simplex Port operation ship ship PORT OPER...

Page 37: ...AM BREAK WATCH DBW Dam Break Warning DAM BREAK WARN DEW Contagious Desease Warning CONTAGIOUS WARN DMO Practice demo SYSTEM DEMO DSW Dust Storm Warning DUST STORM WARN EAN Emergency Action Notificatio...

Page 38: ...NG POS Power Outage Advisory POWER OUTAGE ADV RHW Radiological Hazard RADIOLOGICAL RMT Required Monthly Test REQ MONTHLY TEST RWT Required Weekly Test REQ WEEKLY TEST SMW Special Marine Warning SPECIA...

Page 39: ...ional waters Operation on these frequencies without proper authorization is strictly forbidden See pages 28 through 32 for tables of the available channels and their uses If you are still not certain...

Page 40: ...ntially like making a false 9 1 1 call you may be subject to fines FCC Industry Canada information Certification FCC Part 80 or RSS 182 188 Output Power 5W Emission 16K0F3E 16K0F2D Transmitter Frequen...

Page 41: ...FCC regulations 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 Bod...

Page 42: ...EMENTS 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 o...

Page 43: ...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 no...

Page 44: ...2007 Uniden America Corp Fort Worth Texas Contains additional foreign articles Printed in China UTZZ01611ZB 0 QUESTIONS Visit our website at www uniden com or call 1 800 297 1023 during regular busine...

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