Should the auger stop suddenly when checking for a leak close to the septic tank or how can you tell when you are clear to the septic tank

You snake a drain lines for a blockage not a leak. Why would you want to send the snake down into a septic tank? The septic tank has a septic tee . There will prevent a auger from entering the tank. Does that answer your question? Do you have a complaint? Back to you, Tom