Samsung SP-S4223 User Manual (ENGLISH) - Page 40

Checking the Digital-Signal Strength, LNA(Low Noise Amplifier - hdtv

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Checking the Digital-Signal Strength Unlike analog channels, which can vary in reception quality from "snowy" to clear, digital (HDTV) channels have either perfect reception quality or you will not receive them at all. So, unlike analog channels, you cannot fine tune a digital channel. You can, however, adjust your antenna to improve the reception of available digital channels. TV Channel Antenna : Air Auto Program Channel Manager Name Fine Tune Signal Strength † More 1. Press the MENU button to display the menu. √ Press the ... or † button to select "Channel", then press the ENTER button. √ √ 2. Press the ... or † button to select "Signal Strength", then press the ENTER button. √ If the signal strength meter indicates that the signal is weak, physically adjust √ your antenna to increase the signal strength. √ Continue to adjust the antenna until you find the best position with the strongest signal. Move Enter Return Press the EXIT button to exit. TV Signal Strength You can also press the ENTER button to select OK then press the EXIT button to exit the menu. OK Enter Return LNA (Low Noise Amplifier) 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). TV ... More LNA Channel : On 1. Press the MENU button to display the menu. Press the ... or † button to select "Channel", then press the ENTER button. √ 2. Press the ... or † button to select "LNA", then press the ENTER button. Move Enter Return TV ... More LNA Channel : OOfff On 3. Press the ... or † button to select "Off" or "On", then press the ENTER button. Press the EXIT button to exit. ➢ LNA functions only when antenna is set to AIR or CABLE. (See "Selecting the Antenna" on page 36.) ➢ If the picture is noisy with the LNA set to On, select Off. ➢ The LNA setting must be made separately for each channel. Move Enter Return English-40

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English-40
Checking the Digital-Signal Strength
LNA (Low Noise Amplifier)
1.
Press the
MENU
button to display the menu.
Press the
…
or
†
button to select “Channel”, then press the
ENTER
button.
2.
Press the
…
or
†
button to select “LNA”, then press the
ENTER
button.
3.
Press the
…
or
†
button to select “Off” or “On”, then press the
ENTER
button.
Press the
EXIT
button to exit.
➢
LNA functions only when antenna is set to AIR or CABLE. (See “Selecting the Antenna”
on page 36.)
➢
If the picture is noisy with the LNA set to On, select Off.
➢
The LNA setting must be made separately for each channel.
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
…
or
†
button to select “Channel”, then press the
ENTER
button.
2.
Press the
…
or
†
button to select “Signal Strength”, then press the
ENTER
button.
If the signal strength meter indicates that the signal is weak, physically adjust
your antenna to increase the signal strength.
Continue to adjust the antenna until you find the best position with the strongest signal.
Press the
EXIT
button to exit.
You can also press the
ENTER
button to select OK then press the
EXIT
button
to exit the menu.
Unlike analog channels, which can vary in reception quality from “snowy” to clear, digital (HDTV) channels have either perfect reception
quality or you will not receive them at all. So, unlike analog channels, you cannot fine tune a digital channel. You can, however, adjust
your antenna to improve the reception of available digital channels.
Antenna
: Air
√
Auto Program
√
Channel Manager
√
Name
√
Fine Tune
√
Signal Strength
√
†
More
Channel
TV
Move
Enter
Return
Signal Strength
TV
Return
Enter
OK
…
More
LNA
: On
√
Channel
TV
Move
Enter
Return
…
More
LNA
:
Off
Channel
TV
Move
Enter
Return
Off
On