Sharp Aquos LC 57D90U User Manual

Page 25

Press MENU to exit.

Basic adjustment settings

Press MENU and the MENU screen displays.

Press a/b to select “Antenna Setup -
DIGITAL”, and then press ENTER.

• If you already set the Secret No., input the 4-

digit secret number here. See page 54 for
setting a secret number.

Cable Reception

• This menu provides useful technical information for when

the CableCARD security module is installed by cable
service personnel. The following information may vary
depending on your cable service provider.

Press a/b to select “Cable Reception”.

• Technical information displays.

FAT (Forward Applications Transport) information:

• FAT denotes a TV program channel that your digital cable

service provides. Digital cable reception information such
as signal lock status and frequency is provided.

Status:

When the TV is tuned to a program channel, it shows
“LOCK”. Otherwise “UNLOCK” is displayed.

Modulation: Shows modulation system of the digital cable service

either in 64QAM or in 256QAM.

Frequency: Shows the signal frequency.

Strength:

Shows the strength of the reception signal. The
strength value varies from 0 to 99. To enjoy a clear
picture without noise, the value should exceed 60.

FDC (Forward Data Channel) information:

• FDC denotes a data channel for CableCARD security

module operation. When the CableCARD security module
is inserted, data channel reception information such as
signal lock status and frequency is displayed.

Status:

When the TV is tuned to a data channel, it shows
“LOCK”. Otherwise “UNLOCK” is displayed.

Rate:

Shows the data channel transmission rate.

Frequency: Shows the data channel frequency.

Strength:

Shows the strength of the reception signal. The
strength value varies from 0 to 99. To ensure stable
operation, the value should exceed 60.

Press c/d to select “Setup”.

LC-57D90U(E)-021-025

06.1.12, 2:43 PM

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