Samsung MM-A940 Owner's Manual page 259

5.
Once the connection is established, launch an Internet
session, check your email, or do anything else you
would do using a traditional data connection.
6.
When you're ready to terminate the data connection,
double-click on the Sprint Power Vision Connection
Manager icon in the system tray, then click Disconnect to
end the session.
7.
Disconnect the USB cable from your phone and your PC.
Note: While your data connection is active, you will not be able to
receive incoming calls; all incoming calls will be forwarded to
your Sprint PCS Voicemail. Placing an outgoing call during a
data session terminates the data connection.
Sprint PCS Vision services are available on the Nationwide
Sprint PCS Network. Sprint Power Vision services work
anywhere on the Nationwide Sprint PCS Network, but
Broadband-like download speeds are only available in areas
with high-speed data coverage.
Section 3C: Sprint Power Vision 233