Samsung CL-21N11MJ User Manual (user Manual) (ver.1.0) (English) - Page 47
LNA (Low Noise Amplifier), If the TV is operating in a weak-signal area
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SPECIAL FEATURES LNA (Low Noise Amplifier) (CL29A10/CL34A10/CL29M6) If the TV is operating in a weak-signal area, sometimes the LNA function can improve the reception (a low-noise preamplifier boosts the incoming signal). 1 Press the MENU button to display the menu. Press the L or M button to select the "Channel", then press the ENTER button. Channel Auto Program √ Add/Delete : Deleted √ Air/CATV : Air Name : ---- LNA : Off √ Move Enter Return 2 Press the L or M button to select "LNA", then press the ENTER button. Channel Auto Program √ Add/Delete : Deleted √ Air/CATV : Air Name : ---- LNA : Off √ Move Enter Return 3 Press the L or M button to select "On", then press the ENTER button. Press the EXIT button to exit. Channel Auto Program √ Add/Delete : Deleted √ Air/CATV : Air Name LNA : ---: OOffff On Move Enter Return M Pressing L or M will alternate between "On" and "Off". 47