What is the standby diver's role and what conditions must be in place for diving to proceed?

What is the standby diver's role and what conditions must be in place for diving to proceed?

• A. The standby diver is ready to respond to an emergency; adequate air supply, accessibility, clear communications, and the ability to reach the working diver quickly.
• B. The standby diver handles the dive computer data exclusively.
• C. The standby diver is optional and not required for safe diving.
• D. The standby diver supervises surface operations only.

Answer: (D)