🔍 Key Concepts

• Electrostatic discharge (ESD) precautions when handling sensitive solid‑state electronics • What tasks actually change the RF radiation hazard on a marine RADAR (think transmitter, antenna, and waveguide) • The difference between personal safety vs. protecting delicate electronic components

💭 Think About

• Which option addresses the most common way solid‑state circuit boards are accidentally damaged during routine handling or servicing? • Does disconnecting the waveguide or worrying about magnetron fields directly protect the circuit boards you are touching, or is that aimed at a different type of hazard? • If you routinely open electronic equipment in a repair shop, what is the very first setup step you take before you even pick up the circuit board?

✅ Before You Answer

• Identify which choice specifically mentions static electricity / electrostatic discharge (ESD) and how it affects circuit boards. • Check whether any options describe conditions that are unnecessary or unrelated to solid‑state board protection (e.g., waveguide radiation, magnetron field). • Confirm which procedure would be written in an electronics lab or manufacturer’s maintenance manual as the standard step before handling circuit boards.