Sharp 13VT-K100 13 in. Combo "k150" Questions

Sharp 13VT-K150 13 in. Combo Problem Want to unlock the "Tamper Proof" How? dont have original remote anymore what do I do unlock the "Tamper Proof"

resetting lock and accessing menu with universal remote I bought a universal remote to operate tv and access menu so I can change from air and access more channels. I could get the menu to show up but