🔍 Key Concepts

• RADAR safety precautions before energizing equipment • Hazards of RF (radio frequency) radiation to personnel • Basic pre-start checks on marine RADAR systems

💭 Think About

• Which option deals with immediate safety for people nearby, rather than equipment or administration? • When a RADAR first transmits, what potential danger exists in the area of the antenna? • Think about the sequence: what must be true before you even turn power on or start transmitting?

✅ Before You Answer

• Identify which choice directly protects human safety from RF exposure or physical harm. • Distinguish between checks that are done before powering/transmitting versus checks done after it is already on. • Consider what a prudent operator must ensure about the area in front of the scanner/antenna prior to testing.