About this Operating and Installation ManualThis manual describes all aspects of the Barrett 2060 interconnects functions andshould be viewed as a reference manual.Icons and StandardsThis manual refers to Scroll keys, these keys are:-to scroll Up to scroll Leftto scroll Down to scroll RightAbbreviations and AcronymsThis term… Means….Station ID The ID of the station being called (thereceiving station’s self ID)GPS Global Positioning SystemHF High FrequencyLCD Liquid Crystal DisplayLSB Lower SidebandUSB Upper SidebandPCB Printed Circuit BoardPIN Personal Identification NumberPSTN Public Switched Telephone NetworkPTT button Press-to-talk buttonRDD Radio Direct DialRevertive signal An acknowledgement signal automaticallytransmitted from a station receiving a SelcallRF Radio FrequencyRx Receive6 of 133