Insignia NS-30HTV 30" TV "mean channel digital signal strength" Questions

...mean it has a digital tuner. Small TV sets weren't required to have digital tuning until shortly before the switch from analog. This set may require a digital adapter. If the set does have digital ...

...signal. With the new digital broadcasting, signal strength is critical. With older analog broadcasts, a weak signal could still give you a watchable picture. But with digital, weak signals may not ...