This SAE Recommended Practice applies to both Original Equipment Manufacturer (OEM) and aftermarket message-generating systems for light and heavy vehicles. The recommended practice covers both message prioritization and presentation (including simultaneous display of messages) for visual and auditory modalities. In addition, this recommended practice will consider temporal aspects of external events (e.g. merging into heavy traffic, time-to-collision) and their impact on temporal presentation and format (including multi-modal) of messages.
This SAE Standard applies to cranes which are equipped to adjust the boom angle by hoisting and lowering means through rope reeving. The purpose of this standard is to define the function and to stipulate the requirements of an automatic device to prevent raising a variable angle boom above its highest specified angle.