tomD: You will find that this one has a very old BIN. You should load a 293T BIN. You will still have to do manual key updates till a newer 294T comes out. G to one of these sites and get the BIN, the uploader (BL updater 1.4) and instructions. You will also need a RS232 DB9 F/F cable.
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Mostly look for the T version in the Fortec Ultra or in the Pantec sections. If you are 100% sure that yours is a genuine Pansat 2500A, you may use BIN 293 from the Pansat 2500A file sections of the above sites, and from http://www.future-fta.info
You may have to register - always register for free . Currently there is lot of free sites to go to.