Enter your Wi-Fi security key (passphrase or password).
Use the buttons on the control panel to enter each letter or number, and then press to proceed.
IMPORTANT: The Security Key is case sensitive.
Your security key may contain uppercase and lowercase letters as well as numbers.

Click Next to proceed.

Button guide
, ==> Enters letters or numbers.
==> Switches between uppercase, lowercase, or numbers.
==> Deletes the letter to the left of the cursor and, when text is entered, deletes the letter on the cursor.
==> Moves the cursor to the right for next character entry.
==> Moves the cursor to the left.