What type of steering mode would operators use when needing manual control without electronic assistance?

When operators require manual control without the aid of electronic systems, the appropriate steering mode to utilize is the Backup Manual mode. This mode is specifically designed to allow operators to have full physical control over the steering mechanism of the vessel or equipment, ensuring they can maneuver without relying on automated electronic systems that might fail or become compromised.

The Backup Manual mode is vital in situations where feedback or inputs from electronic systems cannot be trusted, providing a reliable fail-safe for operators. This allows for effective control under adverse conditions where the precision of electronic assistance might be inadequate or unavailable.

The other modes, such as Automatic, CAM (Control Area Management), and AFT/Local, generally involve some level of electronic assistance or automation, which would not provide the pure manual control that is essential in certain scenarios. Therefore, Selection of Backup Manual is appropriate when operators need to steer without any electronic aid.