Hello, in order to determine if the file was loaded successfully after sending the command to load the setting file from USB to the Scope, I think you would typically need to check the response or status returned by the Scope. The specific command and response structure may depend on the manufacturer and model of the Scope you are using.<br> <br> Typically, after sending a command to the Scope, you would need to wait for a response from the Scope. The response could be in the form of a status code, an acknowledgement message, or any other specific response format defined by the Scope's communication protocol or API.