This came in very handy when in The Cham-Cham, she and Lady Penelope travelled to the other side of the Swiss mountain to spy on Olsen in his Chalet. Just as they arrived Olsen was receiving a coded message on his Cham-Cham Computer. Tin-Tin was able to video the process and send the result back to Tracy Island were Brains straight away recognised it as a Cham-Cham.