Sony Bravia KF-42E200A Operating Instructions Manual page 17

The TV starts searching for all available channels.
This may take some time. Do not press any buttons on
the TV or remote until it is completed.
Once all available channels have been stored, the TV
returns to normal operation, displaying the channel
stored on channel number 1.
Tip
If you press any of the buttons during auto-programming,
auto-programming operation is canceled. To perform auto-
programming again, activate "Initial Reset" in the "Setup"
menu (page 38).
When a message appears for you to confirm the
antenna connections
No channels are found. Check all the antenna
connections and press to start auto-program again.
To change the order in which the channels
are stored on the TV
See page 35.
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