Giroud said: "Last season was wonderful here for Robin, but before that, he took time to settle.
"I am just asking people to be a little patient with me. I am not here to make people forget Robin, because he has made beautiful things here, but I just want to bring something new.
"However, I am under no more pressure than that, because if I think about that when I go onto the field, I will play with the handbrake on. I know Arsenal is a great club and needs a striker ready and efficient quickly.
"I need games to get confidence, and it is up to me to succeed."