I saw a reference to this tester "Tenergy 5-in-1" and that the a10 has IR testing. I couldn't find the IR on the A10. Should I get the 5 in 1 or learn how to run the A10? Once I've got that answered what are the usual IR results for a new Zippy 5000? I did put in a little time referencing both google and this forum but as usual I had a hard time finding results that make sense to me.