Uniden MHS550 manual Scanning The Basics and Beyond

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Guard/Distress/Hailing Channel 16, before starting with the current channel again.

.To exit either mode, press and hold 16/9/TRI for about 2 seconds.

Notes:

If you selected DualWatch during setup, when activated, every two seconds, the radio checks the current channel then it checks Channel 16 before returning to your selected channel. DUALWATCH appears on the display bottom during this cycle.

If you enable TripleWatch or DualWatch from a

Weather Channel, the same watch cycle occurs.

When the radio checks the selected weather channel, the screen displays Weather Band in the upper left corner. When the radio checks Channel 9, Channel 16, or both, the screen briefly displays Marine Band at the upper left.

If you momentarily press SCAN/MEM, the TripleWatch or DualWatch functions as described above. Channels stored in memory are also scanned.

If you want to change the channels being scanned, momentarily press SCAN/MEM again, or press WX/

ALERT or PTT, to exit scanning (TripleWatch or DualWatch continues). Then use ▲ or ▼ to manually select another marine channel and press and hold SCAN/MEM to store it. Momentarily press SCAN/ MEM to resume scanning.

In scan mode, the radio pauses on an active channel and resumes scanning 2 seconds after the channel activity ceases.

Scanning - The Basics and Beyond

Marine VHF radios use scanning to let you monitor several channels at once. It’s common to want to listen most of

Uniden MHS550 Radio Owner’s Manual

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Contents Page FCC/Industry Canada Information Maritime Radio Services OperationTable of Contents USA/CAN/INT U.I.C Selecting and Using Follow these steps to get going Marine Band Quick Start Guide for the MHS550FRS Band AM Band Weather BandAircraft Band FM BandNormal Scanning IntroductionTripleWatch FCC RF Exposure Information Lithium Ion Battery Pack Warning What’s Included Introduction FeaturesPage 17 18 MHS550 ControlsPage Page Radio Charger Cradle LCD Displays Family Radio Service FRS BandVHF Marine Band Indicator Meanings Page Batteries Indicator SoundsUsing the Alkaline Battery Pack Installing the Lithium Ion Battery PackBattery Life and Indication Alkaline Batteries and Radio Performance Mounting the Charging CradleTo Mount the Cradle on a Counter Top Mounting on a WallAttaching the Belt Clip Operation Marine and Weather Bands Basic Operation, Controls Settup OptionsSelecting a Channel Setting the Transmitting Power LevelTo transmit, follow the steps below TransmittingOperation AM Band Operation Family Radio Service BandOperation Aircraft Band Operation FM BandMarine Band FRS Band Using the Radio Menu OptionsUSA/CAN/INT U.I.C. Marine Band Only Accessing the MenusLamp Backlight Adjust For All Bands Adjusting Display Contrast For All Bands Contrast AdjustAdding Fips Codes For Marine/Weather Band Only Setting the Key Beep For All BandsI t 03A CG Only Changing Channel Names For Marine Band OnlyCode Setting Ctcss Codes FRS Band OnlyPage Tuning Steps. Press Enter Setting Frequency Steps AM, FM OnlySetting 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 Alert Selecting and Using Weather Channel and Weather Alert WXSec 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 Accessory Options Using the External Speaker/Mic Jack Examples of Mode ApplicationsTroubleshooting Care and MaintenanceSymptom Cause Remedy Reference Section SpecificationsReceiver Items Unit Nominal Limit Status Full Name Char Name USA Channel FrequenciesMarine Operator Canadian Channel Frequencies Inhiber International Channel Frequencies Port Operation Ctcss Channels and Frequencies Noaa Channels and FrequenciesFRS Channels Frequencies DCS CodesWarrantor Uniden America Corporation Uniden Three Year Limited Warranty