Sec. 80.817  Tests of radiotelegraph auto alarm.

    (a) The radio officer must at least once every 24 hours while the 
ship is in the open sea:
    (1) Test the auto alarm by using the testing device to determine 
whether the auto alarm will respond to not less than 4 nor more than 12 
consecutive dashes having an approximate duration of 4 seconds and an 
approximate spacing of 1 second.
    (2) Determine the proper functioning of the auto alarm receiver 
while connected to its normal antenna, by actual operation and 
comparison of received signals with similar signals received on 500 kHz 
by the main receiver.
    (b) If the auto alarm is not in proper operating condition, the 
radio officer must report that fact to the master or officer on watch on 
the bridge.
    (c) A statement that the tests specified in this section have been 
made, and the results of such tests, must be inserted in the 
radiotelegraph station log.