Tune Radio 
    ==========

        The following features are tunable from this screen :-
    
         Carrier Squelch  : The squelch level used when in carrier squelched
                            decode mode.             
    
         Tone Squelch     : The Squelch level used when in tone squelched 
                            decode mode.                          
    
         Volume           : Maximum radio speech volume. 

        For detail regarding the exact tune up procedures associated with 
    the squelch values, see the Help from the tune radio screen - 
    <F2><F2><F1> from the main menu. 
        For further information on key usage and radio communications see 
    help for Radio Alignment, <F2> from main help menu.