TREATIES 13. In ships in which watch is kept by means of an automatic alarm receiver a means of giving audible warning shall be provided in the wireless telegraph room, in the wireless operator's cabin, and on the bridge, which shall operate continuously after the receiver has been operated by the alarm signal or distress call until stopped. Only one switch for stopping the warning shall be provided and this shall be situated in the wireless telegraph room. 14. In such ships the wireless operator, when going off watch, shall connect the automatic alarm receiver to the aerial and test its effi- ciency. He shall report to the master or the officer on watch on the bridge whether it is in working order. 15. Whilst the ship is at sea the emergency source of power shall be maintained at its full efficiency and the automatic alarm receiver shall be tested at least once every 24 hours. A statement that both these requirements have been fulfilled must be inserted in the ship's official log daily. 16. A wireless log shall be carried by every ship compulsorily equipped with wireless transmitting apparatus. This document shall be kept in the wireless telegraph room, and in it shall be inserted the names of the operators and watchers as well as all incidents and occurrences connected with the wireless service which may appear to be of importance to safety of life at sea, and in particular all dis- tress messages and distress traffic in full. Post, p. 1170. 17. The direction-finding apparatus required by Article 47 shall be efficient and capable of receiving clearly perceptible signals and of taking bearings from which the true bearing and direction may be determined. It shall be capable of receiving signals on the fre- quencies prescribed for distress, direction finding and wireless tele- graph beacons by the International Radiotelegraph Convention in force. Efficient communication shall be provided between the apparatus and the bridge. ARTICLE 32. Competence. Competence. The matters governed by the International Radiotelegraph Con- 45 Stat. 2760. vention, Washington, 1927, and the Regulations annexed thereto remain, and will continue, subject to the provisions:- (1.) Of that Convention and of the Regulations annexed thereto, and of any Convention and Regulations which may in the future be substituted therefor; (2.) Of the present Convention in regard to all the points in which it supplements the aforementioned documents.