If the operator sounds two short audible signals while moving the crane, what does this indicate?

When the operator sounds two short audible signals while moving the crane, it indicates "Go ahead." This signal is a standard communication method to notify personnel in the vicinity that the crane is in motion and that they should proceed with caution. It's crucial for maintaining safety on site, ensuring that everyone is aware of the crane's operation and can coordinate their actions accordingly.

Signals in crane operation have specific meanings, and two short audible signals are an established standard that conveys this particular instruction, promoting effective communication and reducing the risk of accidents.