Uniden MHS550 manual TripleWatch and DualWatch Scanning VHF FRS

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CHANNEL SCAN

Marine Band 5 Watts

USA Memory Alert

CHANNEL SCAN at the bottom. The FRS band displays SCAN.

TripleWatch and DualWatch Scanning [VHF - FRS]

For the marine, weather, and FRS bands only, to initialize the TripleWatch scanning mode,

press and hold 16/9/TRI. Now TRIWATCH SCAN appears on the LCD’s message line area. The scan check sequence

becomes — the working A channel is checked then the

radio checks Channel 9 and

then Channel 16, in that order, every 2 seconds.

If you have set DualWatch as your default mode, by selecting that option from the menu, Channel 9 is not checked and DUALWATCH SCAN appears on the display.

To disable Triple or DualWatch and revert to Normal Scanning of stored channels, press and hold 16/9/TRI for

2 seconds. Channel 16 and 9 are no longer checked. The radio continues to scan only channels stored in memory. CHANNEL SCAN appears on the bottom and each channel number is displayed in rapid sequence.

52	Uniden MHS550 Radio Owner’s Manual

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Contents Page Maritime Radio Services Operation FCC/Industry Canada InformationTable of Contents USA/CAN/INT U.I.C Selecting and Using Quick Start Guide for the MHS550 Follow these steps to get going Marine BandFRS Band Weather Band AM BandFM Band Aircraft BandScanning Introduction NormalTripleWatch FCC RF Exposure Information Lithium Ion Battery Pack Warning What’s Included Features IntroductionPage MHS550 Controls 17 18Page Page Radio Charger Cradle LCD Displays Family Radio Service FRS BandVHF Marine Band Indicator Meanings Page Indicator Sounds BatteriesInstalling the Lithium Ion Battery Pack Using the Alkaline Battery PackBattery Life and Indication Mounting the Charging Cradle Alkaline Batteries and Radio PerformanceTo Mount the Cradle on a Counter Top Mounting on a WallAttaching the Belt Clip Basic Operation, Controls Settup Options Operation Marine and Weather BandsSetting the Transmitting Power Level Selecting a ChannelTransmitting To transmit, follow the steps belowOperation Family Radio Service Band Operation AM BandOperation FM Band Operation Aircraft BandUsing the Radio Menu Options Marine Band FRS BandAccessing the Menus USA/CAN/INT U.I.C. Marine Band OnlyLamp Backlight Adjust For All Bands Contrast Adjust Adjusting Display Contrast For All BandsSetting the Key Beep For All Bands Adding Fips Codes For Marine/Weather Band OnlyI t Changing Channel Names For Marine Band Only 03A CG OnlySetting Ctcss Codes FRS Band Only CodePage Setting Frequency Steps AM, FM Only Tuning Steps. Press EnterSetting the Key Lock For All Bands Setting FM Muting FM Band OnlyOther Options Manually Selecting Coast Guard/Distress/Hailing Channels Storing a Channel or Frequency in Memory For All Bands Selecting and Using Weather Channel and Weather Alert WX AlertSec Immediate Scanning The Basics and Beyond TripleWatch Scanning as above, but also monitors Channel Normal Scanning TripleWatch and DualWatch Scanning VHF FRS Both Watches and Weather Channel VHF-FRS Page Examples of Mode Applications Accessory Options Using the External Speaker/Mic JackCare and Maintenance TroubleshootingSymptom Cause Remedy Specifications Reference SectionReceiver Items Unit Nominal Limit USA Channel Frequencies Status Full Name Char NameMarine Operator Canadian Channel Frequencies Inhiber International Channel Frequencies Port Operation Noaa Channels and Frequencies Ctcss Channels and FrequenciesFRS Channels Frequencies DCS CodesThree Year Limited Warranty Warrantor Uniden America Corporation Uniden