Lenovo 20JD, User Manual, Page: 50 / 150

• Open your computer cover to an angle of slightly more than 90 degrees.
Checking the wireless-LAN connection status
You can check the wireless-LAN connection status through the wireless-network-connection-status icon in
the Windows notification area. The more bars encompassed, the better the signal is.
Using the wireless-WAN connection
Wireless wide area network (WAN), which uses cellular networks for data transmission, enables you
to establish wireless connections over remote public or private networks. These connections can be
maintained over a large geographical area by use of multiple antenna sites or satellite systems maintained
by wireless service providers.
Some ThinkPad notebook computers come with a wireless-WAN card installed, which provides some
wireless-WAN technologies, such as 1xEV-DO, HSPA, 3G, GPRS, or LTE. By using the wireless-WAN
card, you can establish wireless-WAN connections.
Note: The wireless-WAN service is provided by authorized service providers in some countries or regions.
Tips for using the wireless-WAN feature
To achieve the best connection, use the following guidelines:
• Keep your computer away from your body.
• Place your computer on a flat surface and open your computer display to an angle of slightly more
than 90 degrees.
• Place your computer away from concrete or brick walls that might dampen cellular signals.
• Best reception is available near windows and other locations where cellular phone reception is the
strongest.
Checking the wireless-WAN connection status
You can check the wireless-WAN connection status through the wireless-network-connection-status icon in
the Windows notification area. The more bars encompassed, the better the signal is.
Using the Bluetooth connection
Bluetooth can connect devices that are within a short distance from one another. Bluetooth is commonly
used in the following scenarios:
• Connecting peripheral devices to a computer
• Transferring data between hand-held devices and a personal computer
• Remotely controlling and communicating with devices such as mobile phones
Depending on the model, your computer might support the Bluetooth feature. To transfer data through
the Bluetooth feature, do the following:
Note: It is not recommended to use the wireless feature (the 802.11 standards) of your computer
simultaneously with a Bluetooth option. The data transmission speed can be delayed and the performance
of the wireless feature can be degraded.
1. Do one of the following:
• Press the Bluetooth-control key and turn on the Bluetooth feature.
• Open the Start menu, and then click Settings ➙ Network & Internet ➙ Airplane mode . The
Bluetooth feature is enabled.
34
User Guide