Samsung HPS4253X-XAP - Manual (Page 20)

Connecting VHF and UHF Antennas
20
Antennas with 75-ohm Round Leads
If your antenna looks like this: it has 75-ohm round leads.
1 Plug the antenna lead into the ANT 2 IN (AIR) on the TV.
Use an antenna cable. (Sold Separately)
BN68-00991B-01Eng(002~031) 2/17/06 1:56 PM Page 20