Send "QSY" on CW or if using phone, announce "the frequency is in use", then give your call and listen for a response
Listen for 2 minutes before calling CQ
Send "QRL?" on CW, followed by your call sign; or, if using phone, ask if the frequency is in use, followed by your call sign
Send the letter "V" in Morse code several times and listen for a response or say "test" several times and listen for a response
Any of these.
A defective receiver.
The antenna or feedline has been damaged.
The antenna switch has been transferred to the test position.
Messages detailing important navigational warnings.
Messages containing information concerning the safety of a mobile unit or person.
Messages concerning the Safety of Life At Sea (SOLAS).
Messages concerning On-scene communications.
A serious medical situation involving a crewmember.
Scenarios concerning the Safety of navigation or important meteorological warnings.
Both a and b
A crewmember over the side.
Switch off EPIRB and SART manually.
Notify the RCC (Rescue Coordination Center) through VHF FM on channel 13.
Transmit distress call by HF/MF/VHF DSC or Inmarsat.
Transmit distress call by activating the radiotelegraph automatic alarm signal.
It transmits "SOS" and the vessel's name and position in slow speed Morse Code.
None of the above.
It will appear on a radar unit's PPI as a line of dots radiating outward with the outermost dot indicating the SART's position.
It will appear on a radar unit's PPI as a line of dots radiating outward with the innermost dot indicating the SART's position.
Only outside of areas covered by VHF-DSC.
Only in areas beyond Inmarsat coverage.
When directed to do so by a cognizant rescue authority.
At all times when underway.
Treatment of crewmember breaking a leg in a cargo hold.
A fire in the generator flat/spaces. A fire in the generator flat/spaces.
Answers a) and b) are both possible.
Leaking oil from a minor tank fracture.
Answers b) and c).
A cargo shift or weather situation considered to be of greater hazard than would justify a SAFETY priority designation.
It is intended to automate and improve emergency communications in the maritime industry.
It is intended to automate and improve existing digital selective calling procedures and techniques.
It is intended to provide more effective but lower cost commercial communications.
It is intended to provide compulsory vessels with a collision avoidance system when they are operating in waters that are also occupied by non-compulsory vessels.
EPIRB on 121.5 MHz
VHF on Ch-16
SART on 9 GHz
VHF on Ch-70
Coastal and international zones
Sea area A1
Sea areas A1 and A2
Inland and coastal waters
SAR and on-scene communications, Bridge-to-Bridge and general radio communications, MSI and relay of satellite alerts from other vessels.
Transmit distress alerts, SAR and on-scene communications, MSI, Bridge-to-Bridge and general radio communications.
Distress alerting, MSI, SAR and on-scene communications & receipt of satellite alerts from other vessels.
Bridge-to-Bridge and general radio communications, RDF of EPIRB homing signals, Distress alerting and MSI.
Transmit and receive locating signals, send MSI to other ships via EGC, Bridge-to-Bridge communications
Transmit and receive locating signals, general communications and SAR communications.
Transmit and receive SAR communications, transmit Distress Alerts by at least one means, Bridge-to-Bridge communications.
Transmit and receive general communications, transmit Distress Alerts by at least one means, MSI.
너는 정확하게 대답했다.
당신이 잘못 대답했습니다.
너는 시간이 없어.
점수 또는 평점을 저장하려면 로그인하거나 등록해야합니다.
텍스트에 적합한 오디오 언어를 설정하십시오.
단어를 강조 표시하여 학습을 향상시킵니다.
로그인 할 필요없이 퀴즈, 코스 및 플래시 카드를 재생할 수 있습니다. 그러나 점수를 저장하고 퀴즈, 코스 및 플래시 카드를 만들려면 로그인해야합니다. 오디오를 재생하려면 전문 계정에 로그인해야합니다.
학습을 한 차원 높여보십시오. 프로페셔널 계정으로 업그레이드하면 질문을 큰소리로 듣고 다른 많은 혜택을 누릴 수 있습니다.
귀하가 작성한 질문이나 답변에 대한 오디오가 생성됩니다.
많은 사람들이 그들이 배운 것을 듣고 더 잘 배웁니다. 외국어 학습을 위해 우리는 18 개 이상의 언어를 지원했습니다.
지원 언어로는 덴마크어, 네덜란드어, 영어, 프랑스어, 독일어, 아이슬란드 어, 이탈리아어, 일본어, 한국어, 노르웨이어, 폴란드어, 포르투갈어, 루마니아어, 러시아어, 스페인어, 스웨덴어, 터키어, 웨일스 어 등이 있습니다.
또한 단어를 소리내어 읽음으로써 자동 단어 단위 강조 기능을 지원합니다.
Apple App Store에서 볼 Topgrade 응용 프로그램을 선택하십시오.
Google Play에서 볼 수있는 Topgrade 앱을 선택합니다.