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43L621U / 49L621U / 55L621U / 65L621U 43" / 49" / 55" / 65" 2160p 60Hz LED Google Cast™ TV
Setting up the ANT / CABLE IN
If you connect an antenna or cable TV without a box
to the ANT / CABLE IN jack, you need to set up the
jack so your TV correctly displays channels.
1 Press MENU, press
Installation, then press OK.
2 Highlight Channel Tuning, then press OK.
3 Highlight ANT/CABLE In, then press OK.
4 Highlight your TV input source, then press OK.
• Antenna if you connected an antenna to the
ANT / CABLE IN jack
• Cable if you connected cable TV without a box
to the ANT / CABLE IN jack
5 Press EXIT to close the menu.
Understanding the basics
This section covers basic information for:
• Turning your TV on or off
• Selecting the video input source
• On-screen menu overview
• Navigating the menus
•Adjusting the volume
• Selecting a channel
• Viewing channel information
Turning your TV on or off
1 Make sure that the power cord is connected
securely and correctly. For more information, see
Connecting power on page 37.
2 Press (power) to turn on your TV. The power
indicator turns off.
3 Press (power) to turn off your TV. Your TV enters
standby mode, and the power indicator turns red.
Last Mode Memory
If power is interrupted while you are viewing TV, the
Last Mode Memory feature automatically turns on
your TV when the power is restored.
When your TV is in standby mode, it is still
receiving power. To completely disconnect
power, unplug the power cord.
If your TV does not receive an input signal
for 15 minutes, it automatically goes into