As used in this act [28-11A-1 to 28-11A-3 NMSA 1978]: A. "deaf person" means any person whose hearing is totally impaired or whose hearing is so seriously impaired as to prohibit him from understanding telephonic voice communications; and B. "telecommunication device for the deaf " means a teletypewriter or other instrument for telecommunication in which speaking or hearing is not required for communication. History: Laws 1981, ch. 260, § 2.