Uniden MHS550 manual

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14. PTT — Press to transmit.

15.Key Lock ON/OFF — lets you lock the keypad 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.

16. Backlight — Press briefly to activate the Backlight.

17. Battery Connection Area and Battery Recharging Contacts— Install the supplied Lithium Ion Rechargeable Battery being sure to position the pack as shown in the section Batteries. To recharge the installed Lithium Ion battery, place the MHS550 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.

18. Battery Latch — Lift the latch to remove and replace the Lithium-Ion battery or to install the Alkaline Battery case.

19. MIC — Speak clearly into the microphone aperture when transmitting for best results. Position the microphone at least 4 inches from your mouth.

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 Mounting on a Wall Mounting the Charging CradleAlkaline Batteries and Radio Performance To Mount the Cradle on a Counter TopAttaching 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 DCS Codes Noaa Channels and FrequenciesCtcss Channels and Frequencies FRS Channels FrequenciesWarrantor Uniden America Corporation Uniden Three Year Limited Warranty