Setup Developer on Roku

I am having trouble with the beginning setup process of “Setup your Roku device to enable Developer Settings”
I press on the Home button 3 times, pressed up Arrow 2 times, then, pressed - right,left, right, left, right (on the arrows) and nothing happened.
Can someone help me? Thank you.

Press the buttons as fast as you can and ignore anything happening onscreen. Also, you are using the right/left arrows and not FF/Rew, right?

-JT