Nextar V4-TV Hardware Instruction Manual page 32

How to Start
Extend TV Antenna
The unit is designed with a telescoping antenna that will provide
good reception in most situations. Be sure to keep the unit stationary
when trying to receive a signal. Any movement of the unit can result
in loss of the digital signal.
Note: You can also connect an external antenna that can be located
a short distance away from the unit to improve reception. The
external antenna is not included.
Start to Scan
For the first time use, you need to scan channels firstly. Tap in
the TV Setting Menu to start auto programming, as shown below:
The unit will automatically memorize the available channels in
sequence. It may require several minutes to complete. When
completed, the unit will tune the first scanned channel.
To stop scanning, tap .
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