Article 2.0.3H : What is the advantage of reverse lock option in our meter?

Article 2.0.3H : What is the advantage of reverse lock option in our meter?

When reverse lock option is programmed “no” & even if CT polarity is reversed energy accumulation continues (positive).

If reverse lock option is programmed “yes & if CT polarity is reversed then the energy accumulation (Wh) stops since avg PF & Watts becomes nil.