7 81 EQUIPMENT DESCRIPTION1.1 INTRODUCTIONCongratulations on your purchase of Navicom marine band radio. RT-650 is a VHFDSC Base Station Radio with output power of 25/1 watt. It should be powered by a13.8VDC power supply.The radio can support DSC (Digital Selective Calling) operation with speciallydesigned DSC unit. When being connected with GPS, it will display the position(longitude and latitude) of the vessel. Compact fist microphone makes for convenientoperation of the equipmentThe radio have built-in Automatic Identification System (AIS) receiver, to fulfill a needfor vessels to know the position, details and navigational intentions of other vesselswithin VHF range for improved safety and collision avoidance.The radio is equipped with the new generation 2.4GHz Remote-control wirelessHandset microphone (RT-650-M), Convenient operation on board free from wire limitOther features of the radio include:z Access to all available International channels (currently allocated).z Allows memory all channels for quick recall and memory scan.z Provides as many as 20 user programmable names with MMSI, and 20 individualcalls for DSC communications.z Rotary volume control with power on/off, rotary channel selector and rotarysquelch adjustable knob give you more convenient operation of the radio.z Outstanding performance of waterproof complying with Japanese IndustryStandard level 7.z 25 watts high output power allows you make contact with others in a longdistance of marine communication; and 1 watt low power for short distance.z Separate 16 button, for quick selection of the emergency call on CH16.z Adjustable brightness of backlit for good visibility of the large LCD in variouscircumstance.z External interface easy to connect to GPS and external speaker.z Mounting gimbals for firm and reliable location of your base station in differencecondition.1.2 ETSI INFORMATIONETSI (European Telecommunications Standard Institute) has stipulated the specificrequirements (EN 301 025-1/2/3) on marine radio with class D DSC feature, For useon non-SOLAS vessels.2 CONTROLS AND LCD DISPLAY2.1 BASE STATION (PANEL)① VOLUME and POWER 0-270°rotary control Knob. Turn clockwise to power on.Continue to turn until a comfortable audio level② SQL Use this knob to set the squelch threshold, which cuts offthe receiver when the signal is too week for reception ofanything but noise.③ CH/ENTER Rotary encoder (no stop) with momentary pushRotate this knob to change the current number andchange values in menu mode or during programming.Press the knob to enter values④ BAND/SAVE Select band (USA. Or INT), Press and hold down to setmemory channels⑤ CANCEL/IC The button to Cancel last selection or change withoutsaving. It allows step back one level on menu mode. Itcancels DSC Distress calls & auto-retransmission ofDISTRESS calls. Hold the button to select Intercommode