ixTABLE OF CONTENTS (Continued)Microphone Lock function■ ..........................................13Adjusting the volume level■ ..........................................14Adjusting the squelch level■ .........................................14Adjusting the Backlight level■ .......................................15AquaQuake water draining function■ ...........................155 SCAN OPERATION .................................................16–17Scan types■ .................................................................16Setting Favorite channels■ ...........................................17Starting a scan■ ...........................................................176 DUALWATCH/TRI-WATCH ............................................18Description■ .................................................................18Operation■ ...................................................................187 DSC OPERATION ...................................................19–65DSC address ID■ ........................................................19Position and time programming■ ..................................22Distress call■ ................................................................23Transmitting DSC calls■ ...............................................27Receiving DSC calls■ ..................................................45Transmitt■ ed Call log....................................................57Receiv■ ed Call log .......................................................58DSC Settings■ .............................................................60Making an Individual call using an AIS transponder■ ..648 MENU SCREEN OPERATION ................................66–71Menu screen operation■ ..............................................66Menu screen items■ .....................................................67Radio Settings items■ ..................................................68Configuration items■ ....................................................699 CONNECTIONS AND MAINTENANCE ..................72–76Connections■ ...............................................................72Antenna■ ......................................................................74Fuse replacement■ ......................................................74Cleaning■ .....................................................................74Supplied accessories■ .................................................74Mounting the transceiver■ ............................................75MB-132 installation■ ....................................................7610 SPECIFICATIONS AND OPTIONS .........................77–78Specifications■ .............................................................77Options■ .......................................................................7811 CHANNEL LIST.......................................................79–8012 TEMPLATE ..............................................................81–8213 TROUBLE SHOOTING ..................................................83