You are making a telephone call ship-to-shore using the VHF-FM service. You can tell that the working channel is busy if you hear __________.
A
speech
B
signalling tones
C
a busy signal
D
All of the above
E
İlgili Sorular
BOTH INTERNATIONAL & INLAND One of the signals, other than a distress signal, that can be used by a ...When launching an inflatable liferaft, you should make sure that the operating cord is ___________.What precaution should be taken when treating burns caused by contact with dry lime?BOTH INTERNATIONAL & INLAND Your vessel is aground in fog. In addition to the regular anchor signal...When H2S is burned (flared) on a MODU, what can you expect to occur?