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.