JVC Black Sapphire SL42B-C User Manual page 31

For Wireless Connection, the TV will show a list of available networks,
use remote to choose your home network, press OK and key in security
password by using remote QWERTY keypad
Align the remote IR emitter to
TV's IR receiver lens
One Time Setup Wizard
Auto Channels Scan
Ensure Antenna or Cable TV input cable is connected to DTV / TV jack,
choose Start Scan to begin.
Note: Channels scanning may take a few minutes
On Finish screen, press OK button to save and exit the Setup Wizard