100J1 B
 Which of the following conditions would be a symptom of malfunction in a 2182 kHz radiotelephone system which must be reported to the Master?
A. Much lower noise level observed during daytime operation.
B. No indication of power output when speaking into the microphone.
C. When testing a radiotelephone alarm on 2182 kHz into an artificial antenna, the Distress frequency watch receiver becomes unmuted, an improper testing procedure.
D. Failure to contact a shore station 600 nautical miles distant during daytime operation.
