4 Uniden MHS550 Radio Owner’s ManualUsing the Alkaline Battery Pack ..............................................5Battery Life and Indication......................................................6Alkaline Batteries and Radio Performance .............................7Mounting the Charging Cradle ...................................................7To Mount the Cradle on a Counter Top ...................................7Mounting on a Wall .................................................................7Attaching the Belt Clip ................................................................8Basic Operation, Controls, and Settup Options .......................9Operation - Marine and Weather Bands ....................................9Selecting a Channel ................................................................30Setting the Transmitting Power Level......................................30Transmitting.............................................................................31Operation - Family Radio Service Band ....................................3Operation - AM Band ..................................................................3Operation - FM Band ...................................................................33Operation - Aircraft Band ............................................................33Using the Radio Menu Options ..................................................34Accessing the Menus ..................................................................35USA/CAN/INT (U.I.C.) .............................................................35Lamp (Backlight) Adjust ..........................................................36Adjusting Display Contrast ......................................................37Setting Dual or TripleWatch (Tri Watch) ..................................37Setting the Key Beep ..............................................................38Adding FIPS Codes.................................................................38Changing Channel Names ......................................................40Restoring Default Names ........................................................40Setting CTCSS Codes ............................................................41Setting Frequency Steps .........................................................43AM Band.............................................................................. 43FM Band ..............................................................................43Setting FM Muting ...................................................................44