Samsung UN46ES6100GXZE - Manual (Page 150)

a wireless router that does not have
wireless security, go to step 7.
5. To set wireless security for the router,
enter the Security Key (Security key
or PIN).
N You can enter the Security Key
(Security key or PIN) using
a keyboard screen. Enter the
Security Key using your remote.
N You should be able to find the
Pass Phrase on one of the set up