Networks Turn OverTV viewers rnav turn KOOL BLU in confusion when they switch on sets this week.K BLU-TV has picked up NBC affiliation after television station KIV’A went out of business last week. So cable customers will receive KBLU’s new NBC listings on Channel 1 and non-cable watchers will have to turn their dials to ('hannei I t.KECC-TV of El Centro, Calif., will be switching from ABC to CBS out of Los Angeles on February I. Quc Pasawas informed of this changetoo late to receive the correct schedule for this week’s guide.CBS programs will also Ik* available on cable from KOOL-I'V, Channel lt;J, from Phoenix.