The image is a blue and white sign with the words "Disabled Call For Aid" written in bold black letters. The sign is rectangular in shape and has a white border. Below the text, there is a list of instructions in black text that reads "1. Press button. 2. Once activated the button will flash and sounder will operate. 3. When acknowledged by Train Crew the button, train crew will illuminate constantly and sounders will silence." The instructions are written in a clear and concise manner, making it easy to read and understand.