HTC PG86100 User Manual page 240

8.
How can I cancel service if I decide I don't want it?
To cancel your Sprint TV service, visit
www.sprint.com and sign on to
account number and password. From this page,
you have the ability to cancel the service or any
channels to which you subscribe.
9.
If I put on my stereo headset and insert it into the
device's headset jack, can I turn off the screen while I
am playing an audio (or video) clip without
interrupting the clip?
Yes. When you insert your stereo headset into the
device's headset jack, the device automatically
goes into "headset mode," allowing you to turn the
screen off and continue playing the clip. 

(Likewise, if your device is in "headset mode," a
phone call will not disconnect when you turn off
the screen.)
234 3C. Entertainment: TV and Music
10.
My Sprint with your
Can I surf to a different channel while I am playing a
clip?
Yes. While you are playing a clip, tap the screen to
surf to a different channel. The Live Channels list at
the bottom of the screen will tell you which channel
you are watching as well as other channels that
you have access to. Slide your finger on the screen
to scroll through the channels. Once you find a
channel, show, or movie that you want to watch,
scroll to it and then tap it.