STD, HRC, and IRC are cable television formats. Since most
people don’t read the manual (always RTFM!), they would never
know what this means and will end up reading this very sentence
for help in scanning (auto programming) channels for their HDTV.
STD HRC and IRC Reference While the terms HRC and IRC are slowly
phasing out, many TVs still allow the option of setting up your
tuner to one of these 3 formats. |HRC||Harmonically Related
Carriers| |IRC||Incrementally Related Carriers| Additionally you
might have the option to select analog vs digital. You want
digital if available, but it likely won’t matter as analog cable
is going the way of the dinosaur and if you have a “digital
cable box,” all your programming is coming into the house
digitally already (and then converted to analog by the box).
What’s the Difference Older cable trunk lines suffer from signal
degradation over and distance and require amplifiers to maintain
signal strength. This amplification introduces noise into the
cable signal. HRC and IR