TPA CTLR EXPRESSES CONCERN REGARDING STARS WX DISPLAY CAPABILITIES AND FACILITY AGENCY POLICY GOVERNING DISPLAY SETUP AND INPUT LIMITATIONS.

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I WAS WORKING IN THE S SATELLITE POS UTILIZING THE SRQ ARSR. THE STARS DISPLAY WAS IN THE 'FS' MODE. THE SYS AREA AT THIS STARS WORK STATION INDICATED THAT ONLY LEVEL 1 AND LEVEL 2 WX WERE AVAILABLE; AND THEY WERE BOTH BEING DISPLAYED. WHEN I SELECTED DISPLAY ALL WX. I RECEIVED A DISPLAY OF LEVEL 1 THROUGH LEVEL 4 WX THAT WAS IMBEDDED WITHIN THE LEVEL 1 AND LEVEL 2 WX. THE SYS AREA IS STILL INDICATING THAT ONLY LEVEL 1 AND LEVEL 2 ARE AVAILABLE. FURTHER INVESTIGATION REVEALED THAT THE LEVEL 3 AND LEVEL 4 WX BEING DISPLAYED WERE COMING FROM THE TPA ARSR. I AM REQUIRED TO DISPLAY THE HIGHEST INTENSITY WX AVAILABLE; WHICH IN THIS PARTICULAR INSTANCE WAS LEVEL 1 AND LEVEL 2. THE PROB IS LEVEL 3 AND LEVEL 4 WX WERE AVAILABLE AND FROM A DIFFERENT RADAR SITE AND COULD BE DISPLAYED; HOWEVER; I HAD NO WAY OF KNOWING THAT IT WAS AVAILABLE BECAUSE MY SYS AREA JUST SHOWS ME WHAT IS AVAILABLE FROM THE RADAR SITE SELECTED. A CORRECTIVE ACTION TO THIS PROB WOULD BE TO INDICATE; IN THE SYS AREA; ALL WX AVAILABLE AT A WORK STATION REGARDLESS OF WHICH RADAR SITE IT IS DERIVED FROM.