47 C.F.R. § 80.969 Illumination of operating controls.
Title 47 - Telecommunication
(a) The radiotelephone must have dial lights which illuminate the operating controls at the principal operating position. (b) Instead of dial lights, a light from an electric lamp may be provided to illuminate the operating controls of the radiotelephone at the principal operating position. If a reserve power supply is required, arrangements must permit the use of that power supply for illumination within one minute.
Title 47: Telecommunication
PART 80—STATIONS IN THE MARITIME SERVICES
Subpart T—Radiotelephone Installation Required for Vessels on the Great Lakes
§ 80.969 Illumination of operating controls.
