Yes, it does matter that you're using Direct. King Controls and Winegard both make automatic dish models that are useable only with specific Dish receivers. Which Winegard unit do you have now, and what's the problem with it?
On edit: In saying "portable dish finder', are you asking about an auto aiming dish unit? Or a satellite signal strength meter using for aiming a dish...
Dutch
2001 GBM Landau 34' Class A
F53 chassis, Triton V10, TST TPMS
Bigfoot Automatic Leveling System
2011 Toyota RAV4 4WD/Remco pump
ReadyBrute Elite tow bar/Blue Ox baseplate