Final answer:
A portable radio should be tested as soon as possible before commencing work to ensure it functions properly for effective communication and safety during the workday.
Step-by-step explanation:
When it comes to the proper maintenance and operation of a portable radio, it's crucial for safety and communication that the device is tested as soon as possible before commencing work. This ensures that the radio is functioning correctly and that it can be relied upon for communication throughout the workday. If you're involved in operations where a radio is a key tool for coordination and safety, such as in transportation or construction, having a working radio can prevent accidents and ensure the team is able to communicate effectively.